Search Results for the EPA National Library Catalog

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Select Item Title Year Published
Trace elements in abiotic and biotic environments / 2015
Trophic relations of simplified animal communities in laboratory streams / 1963
U.S. Climate Change Science Program : vision for the program and highlights of the scientific strategic plan : a report / 2003
Understanding multiple environmental stresses : report of a workshop / 2007
Untangling ecological complexity : the macroscopic perspective / 1999
Use impairments and ecosystem impacts of the New York bight prepared by: Waste Management Institute. 1989
Use of biological information to better define designated aquatic life uses in state and tribal water quality standards : tiered aquatic life uses / 2005
Using mesocosms to assess the aquatic ecological risk of pesticides : theory and practice : a symposium / 1989
Valuing ecosystem services : toward better environmental decision-making / 2005
Valuing ecosystem services : toward better environmental decision-making / 2004
World resources, 2000-2001 : people and ecosystems, the fraying web of life. 2000
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