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- Western Ecology Division | US EPA09-14-2007
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- data   variables. Macroinvertebrate Counts Raw... Macroinvertebrate Counts 300... Aquatic Vertebrate Counts  Aquatic Vertebrate Characteristics. Aquatic Vertebrate Metrics... Periphyton Counts. data.
- EDSP Archive | Endocrine Disruptor Screening Program | US EPA10-09-2007
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- For both mammals and other vertebrates, the STWG formally considered many more assays than those presented ... This vertebrate class is farthest removed phylogenetically from mammals than the other vertebrate classes ...
- EDSP Archive | Endocrine Disruptor Screening Program | US EPA10-09-2007
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- Assays for endocrine disruptors using subjects from all vertebrate classes have been identified using well-documented endocrine endpoints... This vertebrate class is farthest removed phylogenetically from mammals than the other vertebrate classes ...
- Impacts on Quality of Inland Wetlands of the United States:A Survey of Indicators, Techniques, and Applications of Community Level Biomonitoring Data: Appendix B. Wetland Biomonitoring Sites, Referenced by State10-13-2008
- "This is a list of wetland biomonitoring sites, referenced by state."
- Page Title | About the Gulf Ecology Division | US EPA11-23-2009
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- The mean of the colony counts on plate count agar with or without tetracycline (4.9 X 106 ml-1) was significantly higher than the mean colony counts on all other media tested (2.5 X 106 ml-1 ...
- Page Title | About the Gulf Ecology Division | US EPA11-23-2009
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- New methods are presented to deal with zero count data... algal growth medium and estimation of population density by cell counts and spectroscopy.
- Irrigated Wetlands Of The Colorado Plateau: Information Synthesis And Habitat Evaluation Method10-13-2008
- "Report discussing the phenomenon and function of wetlands that receive water from irrigation, focusing on the Colorado Plateau irrigated wetlands."
- Page Title | About the Gulf Ecology Division | US EPA11-23-2009
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- The mean of the colony counts on plate count agar with or without tetracycline (4.9 X 106 ml-1) was significantly higher than the mean colony counts on all other media tested (2.5 X 106 ml-1 ...
- Condition, Values, And Loss Of Natural Functions Of Prairie Wetlands Of The North - Central United States10-13-2008
- "Report focusing on the basin - type wetlands of the Prairie Pothole Region (PPR)."
- EPA Exposure Research - Ecosystems Research Division Publications: 200003-04-2009
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- ... during surface exposure was followed by UV-visible spectrophotometry, and counts of bacteria and early biofilm formation were measured following scanning ...