Jonathan Eisen recently wrote that the PLOS Hub for Biodiversity is soon to be retired, and sure enough it's vanished from the web (the original URL hubs.plos.org/web/biodiversity/ now bounces you straight to http://www.plosone.org/, you can still see what it looked like in the Wayback Machine). Like Jonathan, I was involved in the hub, which was described in the following paper: In retrospect PLoS's decision to pull the hub is not surprising.