Category: Neobiota

Conferences across the continents: Pensoft’s events in Autumn 2023

Pensoft participated in several events all around the world in October and November 2023.

October and November 2023 were active months for the Pensoft team, who represented the publisher’s journals and projects at conferences in Europe, North America, South America, Oceania and Asia.

Let’s take a look back at all the events of the past two months.

The Biodiversity Information Standards Conference 2023

The Biodiversity Information Standards (TDWG) Conference, held from October 9-13 in Tasmania, Australia, brought together experts and stakeholders from the global biodiversity research community.

The annual gathering is a crucial platform for sharing insights, innovations, and knowledge related to biodiversity data standards and practices. Key figures from Pensoft took part in the event, presenting new ways to improve the management, accessibility, and usability of biodiversity data. 

Prof. Lyubomir Penev, founder and Chief Executive Officer of Pensoft, gave two talks that highlighted the importance of data publishing. His presentation on “The Biodiversity Knowledge Hub (BKH): A Crosspoint and Knowledge Broker for FAIR and Linked Biodiversity Data” underscored the significance of FAIR (Findable, Accessible, Interoperable, and Reusable) data standards. BKH is the major output from the Horizon 2020 project BiCIKL (Biodiversity Community Integrated Knowledge Library) dedicated to linked and FAIR data in biodiversity, and coordinated by Pensoft.

Prof. Lyubomir Penev, Pensoft founder and CEO.

He also introduced the Nanopublications for Biodiversity workflow and format: a promising new tool developed by Knowledge Pixels and Pensoft to communicate key scientific statements in a way that is human-readable, machine-actionable, and in line with FAIR principles. Earlier this year, Biodiversity Data Journal integrated nanopublications into its workflow to allow authors to share their findings even more efficiently.

Chief Technology Officer of Pensoft Teodor Georgiev contributed to the conference by presenting “OpenBiodiv for Users: Applications and Approaches to Explore a Biodiversity Knowledge Graph.” His session highlighted the innovative approaches being taken to explore and leverage a biodiversity knowledge graph, showcasing the importance of technology in advancing biodiversity research.

Teodor Georgiev (right), Pensoft CTO.

Many authors and editors at Biodiversity Data Journal also spoke at the TDWG conference, including Vince Smith, the journal’s editor-in-chief, who is Head of Digital, Data, and Informatics at the Natural History Museum. He delivered insightful presentations on digitising natural science collections and utilising AI for insect collections.

GEO BON Global Conference 2023

GEO BON’s Global Conference on Biodiversity and Monitoring took place from 10-13 October 2023 in Montreal, Canada.

Metabarcoding and Metagenomics editor-in-chief, Florian Leese.

The theme of the conference was “Monitoring Biodiversity for Action” and there was particular emphasis on the development of best practices and new technologies for biodiversity observations and monitoring to support transformative policy and conservation action.

Metabarcoding & Metagenomics’ editor-in-chief, Florian Leese, was one of the organisers of the “Standardized eDNA-Based Biodiversity Monitoring to Inform Environmental Stewardship Programs” session. Furthermore, the journal was represented at Pensoft’s exhibition booth, where conference participants were able to discuss metabarcoding and metagenomics research.

Following the conference, Metabarcoding & Metagenomics announced a new special issue titled “Towards Standardized Molecular Biodiversity Monitoring.” The special issue is accepting submissions until 15th March 2024.

Asian Mycological Congress 2023

The Asian Mycological Congress welcomed researchers from around the world to Busan, Republic of Korea, for an exploration of all things fungi from 10-13 October. 

MycoKeys Best Talk award (winner not pictured).

Titled “Fungal World and Its Bioexploitation – in all areas of basic and applied mycology,” the conference covered a range of topics related to all theoretical and practical aspects of mycology. There was a particular emphasis on the development of mycology through various activities associated with mycological education, training, research, and service in countries and regions within Asia.

As one of the sponsors of the congress, Pensoft proudly presented a Best Talk award to Dr Sinang Hongsanan of Chiang Mai University, Thailand. The award entitles the winner to a free publication in Pensoft’s flagship mycology journal, MycoKeys.

Joint ESENIAS and DIAS Scientific Conference 2023

The ESENIAS and DIAS conference took place from 11-14 October and focused on “globalisation and invasive alien species in the Black Sea and Mediterranean regions.” Pensoft shared information on their NeoBiota journal and the important REST-COAST and B-Cubed projects.

Polina Nikova receiving the NeoBiota Best Talk Award.

Polina Nikova of the Bulgarian Academy of Sciences received the NeoBiota Best Talk Award for her presentation titled “First documented records in the wild of American mink (Neogale vision von Schreber, 1776) in Bulgaria.” The award entitles her to a free publication in the NeoBiota journal.

XII European Congress of Entomology

Pensoft took part in the XII European Congress of Entomology (ECE 2023) in Heraklion, Crete, from 16-20 October. The event provided a forum for entomologists from all over the world, bringing together over 900 scientists from 60 countries.

Carla Stoyanova, Teodor Metodiev and Boriana Ovcharova representing Pensoft.

The ECE 2023, organised by the Hellenic Entomological Society, addressed the pressing challenges facing entomology, including climate change, vector-borne diseases, biodiversity loss, and the need to sustainably feed a growing world population. The program featured symposia, lectures, poster sessions, and other types of activities aimed at fostering innovation in entomology. For Pensoft, they were a great opportunity to interact with scientists and share their commitment to advancing entomological research and addressing the critical challenges in the field.

Throughout the event, conference participants could find Pensoft’s team at thir booth, and learn more about the scholarly publisher’s open-access journals in entomology. In addition, the Pensoft team presented the latest outcomes from the Horizon 2020 projects B-GOOD, Safeguard, and PoshBee, where the publisher takes care of science communication and dissemination as a partner.

XIV International Congress of Orthopterology 2023

The XIV International Congress of Orthopterology, held from 16-19 October in Mérida, Yucatán, México, was a landmark event in the field of orthopterology.

Group photo of XIV International Congress of Orthopterology 2023 participants.

Hosted for the first time in Mexico, it attracted experts and enthusiasts from around the world. The congress featured plenary speakers who presented cutting-edge research and insights on various aspects of grasshoppers, crickets, and related insects.

Pensoft’s Journal of Orthoptera Research was represented by Tony Robillard, the editor-in-chief, who presented the latest developments of the journal to attendees.

Symposia, workshops, and meetings facilitated discussions on topics like climate change impacts, conservation, and management of Orthoptera. The event also included introductions to new digital and geospatial tools for Orthoptera research.

The 16th International Conference on Ecology and Management of Alien Plant Invasions

The 16th International Conference on Ecology and Management of Alien Plant Invasions (EMAPI 2023) took place in Pucón, Chile, from 23-25 October . The conference focused on the promotion of diversity in the science and management of biological invasions. Several NeoBiota authors ran sessions at the conference, and the journal also presented a Best Talk Award.

4th International ESP Latin America and Caribbean Conference

The 4th International ESP Latin America and Caribbean Conference (ESP LAC 2023) was held in La Serena, Chile, from 6-10 November. Focused on “Sharing knowledge about ecosystem services and natural capital to build a sustainable future,” the event attracted experts in ecosystem services, particularly from Latin America and the Caribbean.

Organised by the Ecosystem Services Partnership, this bi-annual conference was open to both ESP members and non-members, featuring a hybrid format in English and Spanish. Attendees enjoyed an excursion to La Serena’s historical center, adding a cultural dimension to the event.

The conference included diverse sessions and a special recognition by Pensoft’s One Ecosystem journal, which awarded full waivers for publication to the authors of the three best posters.

Magaly Aldave receiving the Best Poster Award.

Magaly Aldave of the Transdisciplinary Center for FES-Systemic Studies claimed first prize with “The voice of children in the conservation of the urban wetland and Ramsar Site Pantanos de Villa in Metropolitan Lima, Peru.” Ana Catalina Copier Guerrero and Gabriela Mallea-Rebolledo, both of the University of Chile, were awarded second and third prize respectively.

Biosystematics 2023

Biosystematics 2023, held from 26-30 November at the Australian National University in Canberra, was a collaborative effort of the Australian Biological Resources Study, Society of Australian Systematic Biologists, Australasian Mycological Society, and Australasian Systematic Botany Society. Themed “Celebrating the Past | Planning the Future,” the conference provided a platform for exploring advancements in biosystematics.

The event featured in-person and online participation, catering to a wide audience of researchers, academics, and students. It included workshops, presentations, and discussions, with a focus on enhancing understanding in biosystematics.

Pensoft awarded three student prizes at the event. Putter Tiatragu, Australian National University, received the Best Student Talk award and a free publication in any Pensoft journal for “A big burst of blindsnakes: Phylogenomics and historical biogeography of Australia’s most species-rich snake genus.”

Helen Armstrong, Murdoch University, received the Best Student Lightning Talk for “An enigmatic snapper parasite (Trematoda: Cryptogonimidae) found in an unexpected host.” Patricia Chan, University of Wisconsin-Madison, was the Best Student Lightning Talk runner-up for “Drivers of Diversity of Darwinia’s Common Scents and Inflorescences with Style: Phylogenomics, Pollination Biology, and Floral Chemical Ecology of Western Australian Darwinia (Myrtaceae).”

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As we approach the end of 2023, Pensoft looks back on its most prolific and meaningful year of conferences and events. Thank you to everyone who contributed to or engaged with Pensoft’s open-access journals, and here’s to another year of attending events, rewarding important research, and connecting with the scientific community.

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Pensoft partners with ResearchGate to drive readership and visibility of open access journals

Content from 20 Pensoft journals will now be automatically added to ResearchGate to reach the research network’s 25 million users. Each journal will also receive a dedicated profile.

ResearchGate, the professional network for researchers, and Pensoft today announced a new partnership that will see a set of Pensoft’s open access journals increase their reach and visibility through ResearchGate – increasing access and engagement with its 25 million researcher members.  

Pensoft is a fully open access publisher, providing high-quality end-to-end services to its own and third-party scientific journals via its in-house developed scholarly publishing platform ARPHA.

As part of this new partnership, 20 journals published by Pensoft – including the publisher’s flagship titles ZooKeys, PhytoKeys, MycoKeys, Biodiversity Data Journal and Research Ideas and Outcomes (RIO Journal) amongst others – will now have their content automatically added to ResearchGate upon publication to benefit from enhanced visibility and discoverability through ResearchGate’s innovative Journal Home offering. These journals will all have dedicated profiles and be prominently represented on all associated article pages on ResearchGate, as well as all other relevant touch points throughout the network.

Journal Home provides a unique opportunity for Pensoft to connect its authors with their readers. The new journal profiles on ResearchGate will provide a central location for each journal, enabling researchers to learn more, discover new article content, and understand how, through their network, they are connected to the journal’s community of authors and editors. Authors of these journals additionally benefit from having their articles automatically added to their ResearchGate profile page, giving them access to metrics, including who is reading and citing their research. These rich insights will also enable Pensoft to build a deeper understanding of the communities engaging with its journals. 

“Pensoft is delighted to be working with ResearchGate to provide an even greater service to our authors and readers. ResearchGate offers an innovative way for us to grow the reach and visibility of our content, while also giving us a way to better understand and engage our author and reader audiences.”

said Prof Lyubomir Penev, CEO and founder of Pensoft.

“We couldn’t be happier to see Pensoft embark on this new partnership with ResearchGate. Journal Home will not only enable Pensoft authors to build visibility for their work, but provide them and Pensoft with greater insights about the communities engaging with that research. I look forward to seeing this new collaboration develop”

said Sören Hofmayer, co-founder and Chief Strategy Officer at ResearchGate.

About ResearchGate:

ResearchGate is the professional network for researchers. Over 25 million researchers use researchgate.net to share and discover research, build their networks, and advance their careers. Based in Berlin, ResearchGate was founded in 2008. Its mission is to connect the world of science and make research open to all.

Soil carried on sea freight loaded with dangerous pests and diseases

Soil collected from the external surfaces of sea freight was found to support live microorganisms, worms, seeds and insects, including various regulated biosecurity organisms.

Often introduced unintentionally by human activities, invasive alien species can outcompete and overwhelm native flora and fauna, driving species to the brink of extinction and disrupting the balance of ecosystems. Understanding why exactly they establish in new locations and how they got there in the first place is crucial if we are to mitigate their destructive effects. Unfortunately, there isn’t enough research on this, and the answers might not always be straightforward.

A research team from AgResearch and Better Border Biosecurity (B3) investigated the biological risk posed by soil on the external surfaces of sea freight such as shipping containers or used machinery at sea ports in New Zealand. With their work, the researchers hope to facilitate the assessment of relative biosecurity risks between different introduction pathways and contribute to the development of more efficient measures against them.

The team found soil on most types of sea freight, irrespective of origin, with all soil likely to vector microbes, including plant pathogens. The amount of soil recovered from a single sea container was 5.3 kg, while the overall mean weight collected from sea freight was 417g, with most of the soil found on the underside of sea freight.

“While the presence of soil is perhaps not surprising, the presence of live bacteria, fungi, worms, seeds and insects associated with the soil was of greater concern. Various regulated biosecurity organisms were recovered from the samples, including plant-parasitic worms, seeds, insects and spiders that were not recorded as being present in New Zealand,” says Mark McNeill of AgResearch, who led the study.

Seeds of Euphorbia prostrata, a new record to New Zealand, were found on sea freight. Photo by Stefan.lefnaer under a CC BY-SA 4.0

“Not only does the spread of exotic species through these networks represent significant environmental, economic and social costs to natural and agricultural environments if invasive alien species were to establish, a loss of biodiversity is also an expected consequence of invasive alien species establishment. For islands, the implications can be significant, as they have high levels of endemism and invasive alien species establishment can lead to extinction of species as well as biodiversity declines,” the researchers write in their paper, which was published in the open-access journal NeoBiota.

Compared to a previous study on contaminated footwear carried in luggage by international airline passengers, the number and diversity in soil on sea freight was smaller than soil transported in more protected environments (e.g., footwear in luggage). This showed that biosecurity risk can vary with pathway. However, prioritising one soil pathway over another according to the risks they present, and differentially allocating resources is problematic, because the relative risk is dynamic, dictated by factors such as new pests or diseases entering the respective pathways.

Unwelcome guests: International tourism and travel can be a pathway for introducing invasive species

Even so, the researchers suggest that contaminated sea freight is an important introduction pathway for exotic species. The establishment of such species can be prevented by cleaning containers prior to departure, inspection at the border, and further cleaning where required.

Research article:

McNeill MR, Phillips CB, Richards NK, Aalders LT, van Koten C, James TK, Young SD, Bell NL, Laugraud A (2023) Defining the biosecurity risk posed by soil found on sea freight. NeoBiota 88: 103-133. https://doi.org/10.3897/neobiota.88.98440

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More and more emerging diseases threaten trees around the world

A new study published in NeoBiota reveals a troubling trend: the rapid emergence of new diseases, doubling approximately every 11 years, and affecting a wide range of tree species worldwide.

Diseases are among the major causes of tree mortality in both forests and urban areas. New diseases are continually being introduced, and pathogens are continually jumping to new hosts, threatening more and more tree species. When exposed to novel hosts, emerging diseases can cause mortality previously unseen in the native range.

Tar spot on maple in Frostburg, MD, USA. Photo by Andrew V. Gougherty

Although not all diseases will outright kill their hosts, some can dramatically affect host populations. In the 20th century, chestnut blight, perhaps the most well-known tree disease in North America, effectively eliminated chestnut as an overstory tree in its native range in the Appalachian Mountains. More recently, we’ve seen sudden oak death in California, ash dieback in Europe, and butternut canker in the eastern US, each having the potential to eliminate host tree populations and alter the ecosystems where they occur.

“The continued emergence and accumulation of new diseases increases the likelihood of a particularly detrimental one emerging, and harming host tree populations,” says Dr Andrew Gougherty, research landscape ecologist at the USDA Forest Service. Recently, he has been exploring where tree diseases have accumulated fastest, and which trees are most impacted by new diseases. This information could help researchers and land managers better predict where new diseases may be most likely to emerge.

Powdery mildew on maple in Vancouver, BC, CAN. Photo by Andrew V. Gougherty

The study, recently published in the open-access journal NeoBiota, analyzes over 900 new disease reports on 284 tree species in 88 countries and quantified how emerging infectious diseases have accumulated geographically and on different hosts. “The ‘big data’ approach used in this study helps to characterise the growing threat posed by emergent infectious diseases and how this threat is unequally distributed regionally and by host species,” the author writes.

Dr Gougherty found that globally, the number of emerged diseases has accumulated rapidly over the past two decades. “The accumulation is apparent both where tree species are native and where they are not native, and the number of new disease emergences globally were found to double every ~11 years,” he explains. Among the trees he assessed, pines accumulated the most new diseases, followed by oaks and eucalypts. This, he explains, is likely due to their wide native distribution in the Northern Hemisphere, and the planting of pine forests throughout the globe. Europe, in aggregate, had the greatest total accumulation of new diseases, but North America and Asia were close behind.

Powdery mildew on maple in Vancouver, BC, CAN. Photo by Andrew V. Gougherty

In addition, he found more emerging tree diseases in areas where tree species were native versus non-native, with the exception of Latin America and the Caribbean, likely because most of the trees he assessed were not native to this region.

“Unfortunately, there is little evidence of saturation in emergent tree disease accumulation. Global trends show little sign of slowing, suggesting the impact of newly emerged diseases is likely to continue to compound and threaten tree populations globally and into the future,” warns Dr Gougherty. “Climate change is likely also playing a role, both by creating more favourable conditions for pathogens and by stressing host plants.”

Research article:

Gougherty AV (2023) Emerging tree diseases are accumulating rapidly in the native and non-native ranges of Holarctic trees. NeoBiota 87: 143-160. https://doi.org/10.3897/neobiota.87.103525

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Hundreds of weeds found illegally advertised online in Australia

A research team led by Jacob Maher discovered thousands of online advertisements for weeds that are prohibited in Australia due to their harmful impact on the country’s environment and agriculture.

Hundreds of weeds have been found advertised on a public online marketplace in Australia. Cacti and pond plants were among the most frequently advertised illegal weed species. These weeds are prohibited in Australia due to their harmful impact on the country’s environment and agriculture. Despite this, a research team led by Jacob Maher discovered thousands of online advertisements for these weeds. Their study is published in the open access journal NeoBiota.

Water hyacinth, a notorious invader that was found traded online.

Trade of ornamental plants, the kind grown in homes and gardens, is the major way weeds are introduced to new places. Some ornamental plants can make their way into the environment and become invasive, negatively impacting native species and agriculture. Increasingly, plants are traded on the internet, allowing a wide variety of plants to be introduced to more distant places. A lack of surveillance and regulation of this trade has resulted in the wide trade of invasive species.

In response, scientists from the University of Adelaide have utilised specialised software called ‘web scrapers’ to monitor trade on public classifieds websites. These web scrapers automate the collection of online advertisements. This allowed the researchers to detect thousands of advertisements for weeds over a 12-month period. 

Opuntia, a notorious invader that was found traded online.

Despite Australia’s laws banning the trade of harmful weeds, advertisements were observed across the country. Some of the weeds advertised were associated with uses by traders, including food and medicine. The most popular uses were associated with pond and aquarium plants such as filtering water and providing fish habitat.

The researchers recommend that governments adopt web scraping technology to assist in regulating online trade of plants. They also highlight increasing public awareness and seeking cooperation from online marketplaces as solutions to this growing problem.

“Currently, these online marketplaces allow people to advertise and purchase invasive species, whether they are aware of it or not,” says Maher. “Regulation is needed, but we also need to cultivate awareness of amongst plant growers of this issues and we need help from marketplaces to regulate trade on their end.”

The technology developed in this study is now being utilised by biosecurity agencies in Australia to monitor and regulate the illegal trade of plants and animals online.

Original source:

Maher J, Stringham OC, Moncayo S, Wood L, Lassaline CR, Virtue J, Cassey P (2023) Weed wide web: characterising illegal online trade of invasive plants in Australia. NeoBiota 87: 45-72. https://doi.org/10.3897/neobiota.87.104472

Science in the sunshine: Pensoft’s month of European conferences

Pensoft participated in five conferences across Germany and Italy in September 2023.

For the Pensoft team, September 2023 was a busy and exciting month filled with conferences. Travelling across Europe, they promoted journals, connected with the scientific community, and rewarded exceptional research with free article publications. 

Let’s take a look back at all the events of the past month.

Wildlife Research and Conservation 2023

Wildlife Research and Conservation 2023 took place in Berlin between the 9th and 11th of September. Jointly organised by the Leibniz Institute for Zoo and Wildlife Research, the European Association of Zoos and Aquaria and WWF Germany, it was a fantastic event, featuring an exchange of ideas between wildlife scientists from different disciplines related to mammalian species.

Image showing the WRC2023 logo and two women promoting Pensoft at a conference.
Pensoft representatives Mrs. Boriana Ovcharova and Mrs. Anna Sapundzhieva, ready to greet attendees in the sun.

The conference looked at evolutionary adaptations from the perspective of behavioural ecology, reproduction biology, genetics, physiology, as well as nature conservation. It particularly focused on the pressing issues of wildlife research and species conservation in the context of global environmental change. Most of the ≈100 participants were young scientists from more than 30 countries.

The Pensoft team greeted fellow attendees with an exhibition stand and presented the conservation and ecology-focused journals Neobiota, Nature Conservation, One Ecosystem, and Biodiversity Data Journal. Pensoft also advocated for EuropaBon, who are designing an EU-wide framework for monitoring biodiversity and ecosystem services, and REST-COAST, whose mission is to provide the tools to restore environmental degradation of rivers and coasts. Within both European-funded initiatives, Pensoft is a key dissemination partner that contributes expertise in science communication, scholarly publishing, and the development of digital tools and platforms.

Man holding a certificate.
Joao Pedro Meireles posing with his Best Poster award.

Pensoft presented Joao Pedro Meireles from Utrecht University with the Best Poster Award for his research on pair compatibility in okapis, entitling him to a free publication in one of Pensoft’s open-access journals.

“My study looked at pair compatibility in the zoo breeding programme of Okapi. During breeding introductions, sometimes the male becomes aggressive towards the female and we decided to investigate the potential factors. We ran a survey among all zoos that house the species in Europe and we found that differences in husbandry were linked to the aggressiveness performed by the males.”

Joao Pedro Meireles, Utrecht University

GfÖ Annual Meeting 2023

From the 12th to 16th of September, the German Centre for Integrative Biodiversity Research hosted the 52nd Annual Meeting of the Ecological Society of Germany, Austria and Switzerland in Leipzig, Germany. The meeting welcomed more than 1,100 participants from around the world, including scientists, policymakers, educators, and environmental enthusiasts.

This year’s meeting was held with the theme: “The future of biodiversity – overcoming barriers of taxa, realms and scales.” There was a particular emphasis on future challenges and opportunities facing biodiversity, and how to address and manage these in an interdisciplinary and integrative way. 

Woman standing beside man.
Mrs. Boriana Ovcharova (Pensoft) with Neobiota Editor-in-Chief Prof. Dr. Ingolf Kühn.

Conference participants were welcomed at the Pensoft stand, where they could learn more about the projects EuropaBon and SELINA, which deal with biodiversity, ecosystem and natural capital topics. 

The Pensoft team took great pleasure in talking to attendees about their fantastic journals focused on ecology and biodiversity, including Food and Ecological Systems Modelling Journal, Neobiota, Nature Conservation, One Ecosystem, Vegetation Classification and Survey and Research Ideas and Outcomes, as well as meeting with authors, reviewers and editors.

European Conference on Ecological Modelling

Also in Leipzig, the European Conference on Ecological Modelling took place between the 4th and 8th of September. The event focused on the transformation of how societies deal with natural resources in a world where biodiversity and ecosystem services are at high risk. 

The ECEM 2023 continued a series of conferences launched by the European chapter of ISEM, the International Society for Ecological Modelling. ISEM promotes the international exchange of ideas, scientific results, and general knowledge in the areas of systems’ analysis and simulations in ecology, and the application of ecological modelling for natural resource management.

Pensoft presented its innovative journals in the field of ecology and modelling, such as Nature Conservation, Food and Ecological Systems Modelling Journal and Neobiota, as well as the projects PoshBee and B-GOOD, which aim to help beekeepers and support healthy bee populations where Pensoft acts as the dissemination partner.

The Bundesinstitut für Risikobewertung team presented a poster on the Formal Model format and potential new MiDox formats, unique publication types that can be submitted to Pensoft’s Food and Ecological Modelling Journal.

118th Congress of the Italian Botanical Society

Three men sitting before a projector screen at a conference.
Speakers at the 118th Congress of the Italian Botanical Society.

Pensoft was proud to sponsor the 118th Congress of the Italian Botanical Society, which took place in Pisa, Italy from the 13th to 16th of September. Experts in various fields of Botany gathered to share their research on the following topics:

  • Molecular and cell biology
  • Taxonomy, systematics and evolution
  • Biodiversity
  • Environmental monitoring and policies
  • Biotechnology and applied botany
  • Ecology

Pensoft awarded Emma Cocco, University of Cagliari, and Lucrezia Laccetti, University of Naples Federico II, a free article publication in any of Pensoft’s journals related to botany.  Additionally, Silvia Cannucci, University of Siena, and Flavia Guzzi received the Italian Botanical Society’s support for publishing papers in Italian Botanist for their excellent research.

Four people at a certificate presentation.
Best poster award, presented by Pensoft.

94th Annual Meeting of the Paläontologische Gesellschaft

Finally, between the 18th and 22nd of September, the 94th Annual Meeting of the Paläontologische Gesellschaft was held in Jena, Germany. Pensoft couldn’t make it in person, but still made sure to showcase journals publishing papers in palaeontology, especially Zitteliana and Fossil Record. The international meeting was a great success, and focused on cutting-edge research from palaeobiology, palaeontology, geobiology and related subjects.

Journals promoted by Pensoft at the 94th Annual Meeting of the Paläontologische Gesellschaft.

Summer may be well and truly over, but as a new academic year begins, Pensoft looks forward to attending more conferences, rewarding more incredible research, and connecting with more of the scientific community. Thank you to everyone who contributed to or engaged with Pensoft’s open-access journals this year, and here’s to a successful final quarter of 2023.

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Fighting the spread of the spotted lanternfly with a new data science tool

“The lydemapr package will aid researchers, managers and the public in their understanding, modelling and managing of the spread of this invasive pest,” says Dr. De Bona, the lead author of the study.

“Stomp, squash, smash” has been the accompanying soundtrack to the expansion of an odd-looking bug through the Eastern US. The spotted lanternfly, a large planthopper native to Asia, has been popularized in media outlets as the most recent enemy one ought to kill on sight.

Spotted lanternflies. Photo by Matthew Helmus

This charismatic insect was first discovered in the US in Berks county, Pennsylvania, in 2014, likely the result of an accidental introduction alongside shipments of landscaping materials. Since then, the invasive pest has spread throughout the country, fueled by its ability to hitch rides undetected on cargo and passenger vehicles, and aided by the widespread presence of one of its favorite food sources, the tree of heaven, another invasive in North America. As of 2023, it has been found in 14 US states.

Unfortunately, this species is not picky when it comes to the plants it consumes, favoring both crops and ornamentals, and showing a particular preference for cultivated grape. This dietary choice has impacted several wine-making areas throughout Pennsylvania and New York state, and is threatening important wine hubs on the Western coast of the US.

When it comes to controlling the spread of this pest, two of the main challenges for researchers and field managers alike are to 1) know where this species is today so that eradication campaigns can be targeted and 2) predict where it will be tomorrow, to invest in prevention practices. Both efforts rely on accurate and extensive knowledge of its past and present distribution.

Many state and federal agencies, as well as individual research institutions, have been involved in conducting surveys to detect this bug in the field. In addition, a campaign to raise public awareness has fostered the development of self-reporting tools citizens can use to track sightings of this insect. Unfortunately, given the different practices adopted by these parties, the data on the presence of spotted lanternfly are scattered and hard to access, which makes it harder to assess and manage its spread.

Spotted lanternflies. Photo by Matthew Helmus

The need to put together a current, comprehensive, consistent and openly available dataset pushed researchers at Temple University to take action. A research group led by Dr. Matthew Helmus has been closely monitoring the spread of this invasive pest since its inception, contacting institutions and collecting data. In a recent work published in the journal NeoBiota, Dr. Helmus and Dr. Sebastiano De Bona, together with collaborators across several agencies, put together an anonymized and comprehensive dataset that collected all records of spotted lanternfly in the US to date. These records come from a plethora of sources, from control actions, citizen-science projects, and research efforts. The resulting dataset contains highly detailed data (at 1 km2 resolution) with yearly information on the presence or absence of spotted lanternflies, the establishment status of this pest, and estimated population density, across over 650,000 observations.

“The lydemapr package will aid researchers, managers and the public in their understanding, modelling and managing of the spread of this invasive pest,” says Dr. De Bona, the lead author of the study.

The scientists hope that this package will make forecasting the spread of the spotted lanternfly easier and foster more effective collaboration between agencies and researchers.

Research article:

De Bona S, Barringer L, Kurtz P, Losiewicz J, Parra GR, Helmus MR. 2023. lydemapr: an R package to track the spread of the invasive Spotted Lanternfly (Lycorma delicatula, White 1845)(Hemiptera, Fulgoridae) in the United States. NeoBiota 85: 151–168, DOI: 10.3897/neobiota.86.101471

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Can we predict if a plant species will become exotic?

A new approach compared characteristics of species that succeeded or failed to establish after probably following the same historical introduction route.

Plant species become exotic after being accidentally or deliberately transported by humans to a new region outside their native range, where they establish self-perpetuating populations that quickly reproduce and spread. This is a complex process mediated by many factors, such as plant traits and genetics, which challenges the creation of general guidelines to predict or manage plant invasions. Scientists from Spanish and Australian institutions have now defined a new framework to find the predictors of invasiveness, investigating species that have succeeded or failed to establish abroad after following similar historical introduction routes.

Dr Javier Galán Díaz, University of Seville, Spain, Dr Enrique G. de la Riva, University of León, Spain, Dr Irene Martín-Forés, The University of Adelaide, Australia, and Dr Montserrat Vilà, Doñana Biological Station (EBD-CSIC), Spain, described their findings in a new paper in the open-access journal NeoBiota.

Ancient agricultural landscape dominated by plant species introduced in other Mediterranean regions (Parque Natural de Los Alcornocales, Andalucía, Spain). Photo by Dr Javier Galán Díaz

“While current policies exert strong control on the import and export of living organisms, including pests, across countries, until only a few decades ago, very little attention was paid to this issue. This means that many species were translocated to new regions without any consideration of their potential impacts,” says Dr Javier Galán Díaz.

An example of this is the massive plant exchange among Mediterranean‐type regions as a consequence of European colonialism: crops and cattle were exported, along with tools and materials, potentially bringing along the seeds of many plant species.

Agricultural landscape dominated by exotic species of European origin (Merced Vernal Pool and Grassland Reserve, California, U.S.A.). Photo by Dr Javier Galán Díaz

“So far, most studies on plant invasions have tried to explain the success of exotic species by comparing their traits with those of the native plant communities where they arrive, or by comparing the traits of plant species that have achieved different levels of invasion in the same region. But, if we take into account that the most common plant species from European agricultural landscapes have been in contact with humans and have therefore had the potential to be inadvertently transported to other Mediterranean regions, then only those that have successfully invaded other regions have something different in them that allowed them to establish and spread abroad,” Dr Galán Díaz explains.

Following this approach, the scientists found that, when comparing plant species transported from the Mediterranean Basin to other Mediterranean-climate regions (California, Central Chile, the Cape Region of South Africa and Southwestern and South Australia) in the search of predictors of invasiveness, only those species with large distribution ranges that occupy climatically diverse habitats in their native region became exotic. Also, species with many dispersal vectors (for instance those that have seeds dispersed by animals, water or wind), long bloom periods and acquisitive above- and belowground strategies of resource use are most likely to become exotic. Most of this plant information is readily available or easy to obtain from free and open-access repositories.

  • Lotus corniculatus, one of the species that the study identified as invasive in other Mediterranean-climate regions of the world. Photo by Teresa Grau Ros under a CC-BY 2 license
  • Rumex acetosella, one of the species that the study identified as invasive in other Mediterranean-climate regions of the world. Photo by Jakub T. Jankiewicz under a CC-BY 2 license
  • Carduus tenuiflorus, one of the species that the study identified as invasive in other Mediterranean-climate regions of the world. Photo by jacinta lluch valero under a CC-BY 2 license
  • Poa pratensis, one of the species that the study identified as invasive in other Mediterranean-climate regions of the world. Photo by AnneTanne under a CC BY-NC-SA 2 license

“Determining the factors that pre-adapt plant species to successfully establish and spread outside of their native ranges constitutes a powerful approach with great potential for management,” the researchers write in their paper. “This framework has the potential to improve prediction models and management practices to prevent the harmful impacts from species in invaded communities.”

“Using the existing information, we can identify the key species to monitor. This is especially encouraging in the era of Big Data, where observations from citizen science applications add to those of scientists, increasing the potential of screening systems,” Dr Galán Díaz says in conclusion.

Research article:

Galán Díaz J, de la Riva EG, Martín-Forés I, Vilà M (2023) Which features at home make a plant prone to become invasive? NeoBiota 86: 1-20. https://doi.org/10.3897/neobiota.86.104039

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When life gives you zebra mussels

The ease with which this Ponto-Caspian bivalve is being spread by the pet trade on both sides of the Atlantic is a major concern.

Guest blog post by James Dickey

The role played by the global pet trade in the spread of invasive alien species is increasingly gaining attention. Media outlets have excitedly picked up on stories of released goldfish growing to the size of rugby balls, Amazonian catfish appearing in Scottish rivers, and North American crayfish terrorising Tiergarten tourists in Berlin. In recent years I’ve been drawn to these stories, despite the simplistic, repetitive plot: well-meaning but feckless owners can no longer give pets the care they deserve, they struggle to rehome the pets, they release the pets into the wild, chaos ensues.

Pets or threats? Goldfish might be harmful for biodiversity

This happens more than you might think, with pet releases deemed responsible for 53% of invasive vertebrate species and one third of all aquatic invasive species. It has been shown that the more readily available a species is in the pet trade, the greater the risk of it being released, or escaping, into the wild.

Somewhat fascinatingly, this also puts the trade at the mercy of pop culture influences. 1970s animated series “Rascal the Raccoon” is commonly blamed for Japan’s invasive racoon population, and demand for Trachemys scripta pets is said to have boomed in the 1990s due to “Teenage Mutant Ninja Turtles.” Side note: the influence of movies highlighting the challenges of pet ownership, such as “Gremlins” or “Little Shop of Horrors”, warrants further study.

Hitchhikers

While invasion ecology has typically focused on these released species and the impacts that they cause, many species are sold with commensal organisms attached. These incidentally carried fauna are commonly known as “hitchhikers”.

Recent studies have found the protozoan Vorticella sp. and a species of bdelloid rotifer associated with two species of atyid shrimps, digenean larvae with the carnivorous snail Anentome helena, and an epibiont, Diceratocephala boschmai, on New Guinean ornamental Cherax crayfish.

Temnocephalid eggs located on thorax carapace (white arrow) of adult Cherax monticola. From Ložek F, Patoka J, Bláha M. 2021. Another hitchhiker exposed: Diceratocephala boschmai (Platyhelminthes: Temnocephalida) found associated with ornamental crayfish Cherax spp. Knowl. Manag. Aquat. Ecosyst., 422, 25.

A high-profile example emerged in 2021 when zebra mussels (Dreissena polymorpha) were detected in 21 US states on aquarium moss balls that had been imported from Ukraine, and subsequent searches revealed the species in 600 locations in Canada. Similar findings have since emerged from Europe. Having colonised both European and North American waters, the ease with which this Ponto-Caspian bivalve is being spread by the pet trade on both sides of the Atlantic is a major concern. Zebra mussels have been listed as one of the IUCN’s “100 of the Worst Invasive Species”, and their myriad ecological and economic impacts range from habitat alteration, to competition with native unionids, to disruption of food-web structure, to blocking industrial water intake pipes. They are also able to attach to boat hulls and other organisms, facilitating further spread.

The discovery

Zebra mussels, Dreissena polymorpha, found amongst ordered European pond snail, Viviparus viviparus

I remember the moment clearly. I had ordered seventy-five Viviparus viviparus – a common European pond snail species – for behavioural studies at GEOMAR Helmholtz Centre for Ocean Research Kiel where I was based for lab work in the group of Elizabeta Briski. After some stress over posting delays and an increasingly fraught relationship developing with the GEOMAR receptionist, the snails arrived. Over the next day, watching them go about their lives in our climate chamber in their new tanks became a favourite way to spend working breaks. With obvious dimorphism you could clearly tell males from females, which added to the developing snail soap operas. However, just before packing up to leave the lab, I noticed a huge lump on one snail. What on earth is that? Soon I noticed a second. I called Elizabeta with my suspicions, which she confirmed the next day. Photos were taken, measurements made, and our go-to ecological geneticist Reid Brennan was begged to work his DNA sequencing magic. Before long, it was all confirmed: we had zebra mussels.

Potential implications

The biggest takeaway message here is that even native species in the pet trade can facilitate the spread of non-native hitchhikers. In a parallel universe, those snails did not go to an invasion ecology lab but rather to someone keen to stock their garden pond. Escape from ponds is a major pathway for freshwater species introductions, and even if the impact of a native species escaping might be limited, its potential for the zoochorous dispersal of a non-native should not be ignored.

Zebra mussels, Dreissena polymorpha, found amongst ordered European pond snail, Viviparus viviparus.

Of course, questions surround the conditions under which the pond snails were held before selling. Were they stocked in zebra mussel infested outdoor ponds? Which other species are held in a similar way? How prevalent are these practices within the trade? One way of combating this risk of non-native species spread is via legislation. Calls have been made for white lists of low-risk species that can be sold in the trade in place of risky species, but in our study, the issue stems from the selling of a native species within its native range, which would surely be deemed low-risk.

We propose that should a white-list system be adopted, the potential for a “low-risk” species to transport invasive species must be accounted for. We also call for stricter biosecurity practices to be enforced, including regular checking and disinfecting of outdoor stock ponds where appropriate. Tools such as environmental DNA surveillance could be used to effectively detect the presence of targeted invasive species, as part of biosecurity “audits”. However, for the time being, a desperate, final line of defence is to raise awareness amongst consumers and for them to be wary of unwanted hitchhikers.

References:

Dickey JWE, Brennan RS, Chung SS, Jeschke JM, Steffen GT, Briski E (2023) More than we bargained for: Zebra mussels transported amongst European native freshwater snails. NeoBiota 10: 1–10. https://doi.org/10.3897/neobiota.83.97647

DeRoy EM, Scott R, Hussey NE, MacIsaac HJ (2020) Density dependence mediates the ecological impact of an invasive fish. Diversity and Distributions 26: 867–880. https://doi.org/10.1111/ddi.13063

Gippet JMW, Bertelsmeier C (2021) Invasiveness is linked to greater commercial success in the global pet trade. Proceedings of the National Academy of Science USA 118. https://doi.org/10.1073/pnas.2016337118

Lozek F, Patoka J, Bláha M (2021) Another hitchhiker exposed: Diceratocephala boschmai (Platyhelminthes: Temnocephalida) found associated with ornamental crayfish Cherax spp. Knowledge and Management of Aquatic Ecosystems 2020-Janua. https://doi.org/10.1051/kmae/2021023

Militz TA, Foale S (2017) The “Nemo Effect”: Perception and reality of Finding Nemo’s impact on marine aquarium fisheries. Fish and Fisheries 18: 596–606. https://doi.org/10.1111/faf.12202

Padilla DK, Williams SL (2004) Beyond ballast water: Aquarium and ornamental trades as sources of invasive species in aquatic ecosystems. Frontiers in Ecology and the Environment 2: 131–138. https://doi.org/10.1890/1540-9295(2004)002[0131:BBWAAO]2.0.CO;2

Patoka J, Patoková B (2021) Hitchhiking Exotic Clam: Dreissena polymorpha (Pallas, 1771) Transported via the Ornamental Plant Trade. Diversity 13: 1–5.

Patoka J, Magalhães ALB, Kouba A, Faulkes Z, Jerikho R, Vitule JRS (2018) Invasive aquatic pets: Failed policies increase risks of harmful invasions. Biodiversity and Conservation 27: 3037–3046. https://doi.org/10.1007/s10531-018-1581-3

Richardson MJ, Whoriskey FG, Roy LH (1995) Turbidity generation and biological impacts of an exotic fish Carassius auratus, introduced into shallow seasonally anoxic ponds. Journal of Fish Biology: 576–585.

Saul WC, Roy HE, Booy O, Carnevali L, Chen HJ, Genovesi P, Harrower CA, Hulme PE, Pagad S, Pergl J, Jeschke JM (2017) Assessing patterns in introduction pathways of alien species by linking major invasion data bases. Journal of Applied Ecology 54: 657–669. https://doi.org/10.1111/1365-2664.12819

Simberloff D (2006) Risk assessments, blacklists, and white lists for introduced species: Are predictions good enough to be useful? Agricultural and Resource Economics Review 35: 1–10. https://doi.org/10.1017/S1068280500010005

Stanicka A, Maciaszek R, Cichy A, Templin J, Świderek W, Żbikowska E, Labecka AM (2022) Unwanted ‘hitchhikers’ of ornamental snails: A case report of digeneans transported via the international pet trade. The European Zoological Journal 89: 601–607. https://doi.org/10.1080/24750263.2022.2065039

Zeng Y, Shakir KK, Yeo DCJ (2019) Competition between a native freshwater crab and an invasive crayfish in tropical Southeast Asia. Biological Invasions 21: 2653–2663. https://doi.org/10.1007/s10530-019-02009-6

The “Sooty Bark Disease”, harmful for maples and humans, can be monitored by pollen sampling stations

The hyper-allergenic spores of the fungus causing Sooty bark disease in maples were detected in six European countries.

Sycamore maples destroyed by the Sooty bark disease. Photo by Dr Miloň Dvořák

Especially after the last few COVID-affected years, nobody doubts that emerging infectious diseases can threaten the whole world. But humans are not the only ones at risk! With intensive global trade, many tree parasites are accidently introduced to Europe in packaging or directly on goods. Traveling in the wood, on plants or in the soil of their pots, they can remain undetected for a long time.

“Forms of life of parasitic fungi are extremely diverse and very often practically invisible,” says Dr Miloň Dvořák of the Department of Forest Protection and Wildlife Management at Mendel University in Brno, Czechia. “An infected tree may look completely healthy for some time, which complicates the control of the disease enormously. It reminds me of the ancient Trojan Horse, where European trees are so surprised, defenceless, and later defeated, like the Trojan warriors.”

How can an infected tree look healthy and then suddenly get sick? “Like in the human body, in trees too, the trigger can be stress,” explains Dr Dvořák. The tolerance of trees to a pathogenic fungus turns lower under the conditions of changing climate and so the tree starts to die of the disease.

One typical example of such a disease is the Sooty Bark Disease (SBD) on maples, caused by a microscopic fungus called Cryptostroma corticale. “The fungus was probably introduced to Europe during the Second World War and for the rest of the 20th century we did not hear much about it,” says Dr Dvořák.  

Sooty Bark Disease (Cryptostroma corticale) on Sycamore. Photo by gailhampshire used under a CC BY 2.0 license

The situation has changed and over the last twenty years the fungus has been reported more and more often. After dry and hot periods, the trees start to die of the infection, which is accompanied by the creation of brown-black masses of “soot” under the peeling bark of the maples.

The “soot” is in fact spores, which help the fungus spread and infect other trees. It is harmful for wounded trees, but it can also cause hypersensitivity pneumonitis in humans.

So, the species became a target for a group of phytopathologists gathered by an European HORIZON 2020 project entitled “Holistic management for emerging forest pests and diseases (HOMED)”. Scientists from six countries (Czechia, France, Italy, Portugal, Sweden and Switzerland), including Dr Dvořák, decided to develop a precise, DNA based (real-time PCR) diagnostic method to detect and monitor the pathogen in air samples. They published their method, the outcomes of its use, and their new findings about SBD epidemiology in the open-access journal NeoBiota.

Volumetric air sampler installed in Brno, Czech Republic, sampling pollen for allergen forecast. Photo by Aneta Lukačevičová

How to look for DNA in air samples? Simple devices called volumetric air samplers can suck the air against a piece of sticky tape, where every particle gets stuck and can be analyzed. “These devices are not really cheap, moreover, they demand regular maintenance,” explains Dr Dvořák. “But, actually, they are in common and regular use in the whole of Europe – remember the weather forecast, particularly that part about the “pollen report” for allergic people. This forecast is based on data of more than 600 stations united by the European Aeroallergen Network (EAN). Every station permanently maintains one volumetric air sampler and keeps an archive of the samples.”

The HOMED team got in contact with their national EAN collaborators and processed their samples with molecular techniques (real-time PCR).

Thanks to this sensitive detection method, the survey among samples was very successful. The “sooty” fungus was found in air samples from countries where the disease has been reported, and, in a more detailed study in France, the pathogen was found in the air 310km from currently diseased trees! This result suggests that the fungus can disperse long distances by wind.

Black stromata – source of billions of hyper-allergenic spores. Photo by Dr Miloň Dvořák

“Our results show that the SBD disease is at an exponentially increasing phase in France and Switzerland with an increase in the magnitude of the number of disease cases that peaks following a marked water deficit,” the researchers write in their study. They hope that early aerial detection of C. corticale in disease-free countries could help implement more efficient measures for SBD detection and eradication in the field.

“This European experiment fully confirmed the potential of this approach to monitor the pathogen’s outbreaks in early stages of its spread,” concludes Dr Dvořák. 

Research article:

Muller E, Dvořák M, Marçais B, Caeiro E, Clot B, Desprez-Loustau M-L, Gedda B, Lundén K, Migliorini D, Oliver G, Ramos AP, Rigling D, Rybníček O, Santini A, Schneider S, Stenlid J, Tedeschini E, Aguayo J, Gomez-Gallego M (2023) Conditions of emergence of the Sooty Bark Disease and aerobiology of Cryptostroma corticale in Europe. In: Jactel H, Orazio C, Robinet C, Douma JC, Santini A, Battisti A, Branco M, Seehausen L, Kenis M (Eds) Conceptual and technical innovations to better manage invasions of alien pests and pathogens in forests. NeoBiota 84: 319-347. https://doi.org/10.3897/neobiota.84.90549

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