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 X (Opens in new window)Click to share on Facebook (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.