"The continued decline of Columbia River salmon (Oncorhynchus spp.) populations has long focused concerns on habitat changes upriver, particularly the effects of large hydroelectric dams. Increasing evidence that ocean conditions strongly influence salmon production, however, has raised questions...
Environmental Protection Agency (EPA) report on the indicators for monitoring biological integrity of inland, freshwater wetlands; a survey of North American technical literature (1990-2000). Authored by Paul Adamus, Thomas Danielson and Alex Gonyaw. 2001.
Environmental Protection Agency environmental monitoriing and assessment program (EMAP) report on the overall quality of estuaries in Oregon and Washington. March 2006.
"The goal of Wetlands Status and Trends is to provide the nation with current scientifically valid information on the status and extent of wetland, riparian, and related aquatic resources."
"This document was prepared to help EPA and State program managers plan and implement a wetland monitoring and assessment program within the context of the March 2003 EPA document, Elements of a State Water Monitoring and Assessment Program (EPA 841-B-03- 003). "
A bibliography compiled by Kevin Erwin provides access to peer-reviewed research papers that describe the effects of climate change on wetlands around the world. York University, 2007.