Results 1 - 10 of 540 for marginal habitat within all areas of the EPA. Only web pages are included. Search all document formats.

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Page Title | About the Gulf Ecology Division | US EPA11-23-2009
... application, survival of adult crabs was 100% in the control habitats, 75% in the 5%-exposure habitats and 3% in the 50%-exposure habitats ...
http://www.epa.gov/ged/publica/keycb15.htm (HTML)
Final Report | Evaluation of Rangeland Stream Condition and Recovery Using Physical and Biological Assessments of Nonpoint Source Pollution
Physical and biological assessments of habitat condition indicated that while some grazed reaches were unimpaired, others were in a marginally impaired state year-around or only during the fall at ... between impaired and unimpaired can be made to distinguish perennial marginal habitats from seasonally marginal.
http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)
Final Report | Testing Indicators of Coastal Ecosystem Integrity Using Fish and Macroinvertebrates10-12-2006
... Grant R828777) to define reference condition at Great Lakes coastal margins... wetlands exhibit less variation in depth than other Great Lakes margin habitats and hence less compositional variability.
http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)
More results from NCER abstracts »
Indian River Lagoon National Estuary Program - 2009 Report Summary by Habitat Category03-27-2009
... and/or restored a total of 33,625.14 acres of habitat in 2009... was deposited upon the adjacent salt marsh, eliminating salt marsh habitat from both the ditch and spoil area.
http://www.epa.gov/nep/pivot/2009indian_river_lagoon.html (HTML)
Barnegat Bay National Estuary Program - 2009 Report Summary by Habitat Category03-27-2009
... pie chart shows the proportion of acreage devoted to each habitat-type, including 98% for Upland habitat and 2% for Pond habitat ...
http://www.epa.gov/nep/pivot/2009barnegat_charts.html (HTML)
San Juan Bay Estuary Partnership - 2008 Report Summary by Habitat Category03-27-2008
... pie chart shows the proportion of acreage devoted to each habitat-type, including 99% for habitats categorized as Other and less than 1% each for Mangrove and Wetlands habitats ...
http://www.epa.gov/nep/pivot/2008sanjuan_charts.html (HTML)
Indian River Lagoon National Estuary Program - 2008 Report Summary by Habitat Category03-27-2008
... pie chart shows the proportion of acreage devoted to each habitat-type, including 88% for Wetland habitat, 7% for habitats categorized as Other, 3% for Estuarine habitat, and 2% for Barrier Island habitat ...
http://www.epa.gov/nep/pivot/2008irl_charts.html (HTML)
USFWS Biological Opinion on Oregon's Water Quality Standards for Temperature01-29-2008
The habitat requirements of bull trout vary by age and season of ... Young-of-the-year fish initially seek stream margins with heterogenous habitat structure.
http://yosemite.epa.gov/r10/water.nsf/2fb9887c3bbafaaf88256b5800609bf0... (HTML)
EPA11-30-2006
Riffles and runs offer a diversity of habitat through variety of particle size, and, in many small high-gradient streams, will provide the most stable habitat ...
http://www.epa.gov/owow/monitoring/rbp/ch05b.html (HTML)
Symposium 2004 Abstracts | Environmental Monitoring & Assessment | US EPA11-04-2008
A "pressure pyramid" of Great Lakes coastal margin habitats is derived using 5 GIS-based measures of human activity ... Keywords : Reference condition, stress, Great Lakes, coastal margin, integration, land use, multivariate.
http://www.epa.gov/emap/html/pubs/docs/groupdocs/symposia/symp2004/Abs... (HTML)
Ecological Restoration: A Tool To Manage Stream Quality: Annotated Bibliography01-13-2010
"An annotated bibliography for this report."
http://www.epa.gov/owow/NPS/Ecology/appa.html (HTML)

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