Search Results : EPA National Library Catalog

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  1 1991 annual status report : a summary of aquatic vegetation monitoring at selected locations in Pools 4,8,13, and 26 and La Grange Pool of the Upper Mississippi River System / 1998
  2 1992 annual status report : a summary of aquatic vegetation monitoring at selected locations in Pools 4,8,13, and 26 and La Grange Pool of the Upper Mississippi River System / 1998
  3 1993 annual status report : a summary of aquatic vegetation monitoring at selected locations in Pools 4,8,13, and 26 and La Grange Pool of the Upper Mississippi River System / 1998
  4 1994 annual status report : a summary of aquatic vegetation monitoring at selected locations in Pools 4,8,13, and 26 and La Grange Pool of the Upper Mississippi River System / 1998
  5 1995 annual status report : a summary of aquatic vegetation monitoring at fixed transects in Pools 4,8,13, and 26 and La Grange Pool of the Upper Mississippi River System / 1998
  6 1996 annual status report : a summary of aquatic vegetation monitoring at fixed transects in Pools 4,8,13, and 26 and La Grange Pool of the Upper Mississippi River System / 1998
  7 1997 annual status report : status and trend of submersed and floating-leaved aquatic vegetation in thirty-two backwaters in Pools 4,8,13, and 26 and La Grange Pool of the Upper Mississippi River System / 2000
  8 1997 atlas of Chesapeake Bay Basin biological and living resources long term monitoring programs 1997
  9 1998 annual status report : status and trend of submersed and floating-leaved aquatic vegetation in thirty-two backwaters in Pools 4,8,13, and 26 and La Grange Pool of the Upper Mississippi River System / 2000
  10 1998 annual status report : submersed and floating-leaf vegetation Pools 4, 8, 13, and 26 and La Grange Pool of the Upper Mississippi River System / 2001
  11 A framework to assess the relative vulnerability of aquatic ecosystem services to global stressors / 2002
  12 A pilot study for ambient toxicity testing in Chesapeake Bay : year 4 report. 1997
  13 Ambient toxicity testing in Chesapeake Bay : year 6 report / 1998
  14 Ambient Toxicity Testing in Chesapeake Bay, 5 Year Report. 1998
  15 Ambient Toxicity Testing in Chesapeake Bay: Year 7 Report. 2000
  16 Ambient Water Quality Criteria for Dissolved Oxygen, Water Clarity and Chlorophyll 'a' for the Chesapeake Bay and Its Tidal Tributaries. 2004 Addendum. 2004
  17 Ambient Water Quality Criteria for Dissolved Oxygen, Water Clarity and Chlorophyll 'a' for the Chesapeake Bay and Its Tidal Tributaries: 2007 Chlorophyll Criteria Addendum. 2007
  18 Ambient Water Quality Criteria for Dissolved Oxygen, Water Clarity and Chlorophyll 'a' for the Chesapeake Bay and Its Tidal Tributaries: 2010 Technical Support for Criteria Assessment Protocols Addendum. 2010
  19 Ambient water quality criteria for dissolved oxygen, water clarity and chlorophyll a for Chesapeake Bay and its tidal tributaries : 2007 addendum / 2007
  20 Ambient water quality criteria for dissolved oxygen, water clarity and chlorophyll a for Chesapeake Bay and its tidal tributaries {microform} / 2003
  21 Ambient water quality criteria for dissolved oxygen, water clarity and chlorophyll a for the Chesapeake Bay and its tidal tributaries : 2008 technical support for criteria assessment protocols addendum / 2008
  22 An aquatic habitat classification system for the upper Mississippi River system / 1993
  23 An introduction to Mid-Atlantic seasonal pools / 2005
  24 An introduction to the San Francisco Estuary / [electronic resource] 2000
  25 Annual status report, 1993 : macroinvertebrate sampling / 1997
  26 Annual status report, 1994 : macroinvertebrate sampling / 1997
  27 Annual status report, 1995 : macroinvertebrate sampling / 1997
  28 Annual status report, 1996 : macroinvertebrate sampling / 1997
  29 Annual status report, 1997 : macroinvertebrate sampling / 1998
  30 Annual status report, 1998 : macroinvertebrate sampling / 1999
  31 Annual status report, 1999 : macroinvertebrate sampling / 2000
  32 Applications of IBI Concepts and Metrics to Waters Outside the United States and Canada. 1997
  33 Aquatic and terrestrial resources of the Kenai River watershed : a synthesis of publications / 1997
  34 Aquatic ecosystems symposium : report to the Western Water Policy Review Advisory Commission / 1997
  35 Aquatic habitat and wetlands of the Great Lakes / 1995
  36 Aquatic habitat and wetlands of the Great Lakes / 1994
  37 Aquatic habitat indicators and their application to water quality objectives within the Clean Water Act / 1999
  38 Aquatic habitat indicators and their application to water quality objectives within the Clean Water Act {microform} / 1999
  39 Aquatic habitat restoration : a technical approach to site identification / 1994
  40 Aquatic habitats in relation to river flow in the Apalachicola River floodplain, Florida 1998
  41 Assessment of deposition levels of sulfur and nitrogen required to protect aquatic resources in selected sensitve regions of North America {microform} / 1996
  42 Assessment of Potential Mining Impacts on Salmon Ecosystems of Bristol Bay, Alaska. Executive Summary. 2014
  43 Assessment of Potential Mining Impacts on Salmon Ecosystems of Bristol Bay, Alaska. Volume 1. Main Report. 2014
  44 Assessment of Potential Mining Impacts on Salmon Ecosystems of Bristol Bay, Alaska. Volume 2. Appendices A-D. 2014
  45 Assessment of Potential Mining Impacts on Salmon Ecosystems of Bristol Bay, Alaska. Volume 3. Appendices E-J. 2014
  46 Better backyard : a citizen's resource guide to beneficial landscaping and habitat restoration in the Chesapeake Bay watershed. 1999
  47 Bibliography of Hydrologic and Water-Quality Investigations Conducted in or Near the Albemarle-Pamlico Sounds Region, North Carolina. 1988
  48 Biodiversity of Iowa aquatic habitats / {electronic resource} : 2000
  49 Biological and Water Quality Survey of the Vermilion River Vermilion County, Illinois, 1994. 1995
  50 Biological characterization of the Middle Fork Anderson River, Perry County, Indiana / 1997
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