Impact Factor increases for ZooKeys Tweet The Impact Factor of ZooKeys has increased from 0.517 to 0.897. ZooKeys’ growth continues: 219 articles and 5334 pages were published in the first half of 2012. Tweet Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Skype (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window) Related No tags for this post.