Professional Associations
Society for Conservation Biology
Society for the Study of Amphibians and Reptiles
Association of State Wetland Managers
Wetland References
USACE Environmental Laboratory
Wetlands.com - Wetland related regulations
Other References
Zotero - Free citation manager
Conversions - conversions
Sourceforge- Portal for open source software
R - Data and statistical software
Wolfram Alpha - Interesting search engine