Search Results : EPA National Library Catalog

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Select Item Title Year Published
  1 A manager's guide to indicator selection. 2006
  2 A summary of NHEERL ecological research on global climate change / 2007
  3 Biological indicators of aquatic ecosystem stress 2002
  4 Climate change and land use change effects on ecological resources in three watersheds a synthesis report / {electronic resource} : 2007
  5 Climate change effects on stream and river biological indicators : a preliminary analysis. 2008
  6 Climate change effects on stream and river biological indicators a preliminary analysis [electronic resource] : 2008
  7 Climate change effects on stream and river biological indicators a preliminary analysis {electronic resource} : 2007
  8 Ecosystem stress from chronic exposure to low levels of nitrate / 2005
  9 Environmental information a road map to the future : policy recommendations from the Heinz Center / [electronic resource] : 2008
  10 Focus on climate change [electronic resource] / 2008
  11 Focus on contaminants [electronic resource] / 2008
  12 Focus on nitrogen [electronic resource] / 2008
  13 Focus on wildlife [electronic resource] / 2008
  14 Global applications of the Large Marine Ecosystem concept 2007-2010 [electronic resource] / 2008
  15 Landscape pattern indicators for the nation [electronic resource] / 2008
  16 Manager's guide to indicator selection {electronic resource}. 2006
  17 Summary and highlights the state of the nation's ecosystems : measuring the lands, waters, and living resources of the United States / 2002
  18 Summary of NHEERL ecological research on global climate change {electronic resource} / 2005
  19 The state of the nation's ecosystems 2008 : measuring the lands, waters, and living resources of the United States / 2008
  20 The state of the nation's ecosystems 2008 measuring the lands, waters, and living resources of the United States. [electronic resource] : 2008
  21 The state of the nation's ecosystems : measuring the lands, waters, and living resources of the United States / 2002
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