A pictoral key to the zooplankton of the Northeastern United States is being offered by the Center for Freshwater Biology and is under continual development.  Version 2.0 of the Zooplankton Key was finalized on March 11, 2005 and is available online and on CD. Version 3.0 of the Zooplankton Key is planned for September 2008. If you have any questions or comments, please direct you inquiries to Shane Bradt.

    A second interactive key is currently under development for the stream macroinvertebrates of New Hampshire. This key is planned to be released soon and will be available online. Once released, information will be posted on this page. If you have any questions or comments, please direct your inquiries to Amanda Murby.

    A third key is currently being developed for freshwater and marine phytoplankton. A beta version of the key could appear at any time.