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

Hexagenia Density and Distribution | Indicators | LLRS | EPA08-26-2009

Some of the earliest Great Lakes zoobenthos surveys were conducted in 1929-1930 by Wright and Tidd ... Among other zoobenthos, they reported snails, fingernail clams, and worms.

http://www.epa.gov/med/grosseile_site/indicators/hexagenia.html (HTML)

2004 Annual Report | Development of Watershed Classification Systems for Diagnosis of Biological Impairment in Watersheds and Their Receiving Water Bodies11-19-2007

During the final year, most of the 2003 zoobenthos data will be analyzed, incorporated into our model, and published... will refine metrics and IBI’s for our river zoobenthos data to go with our fish metrics developed in Year ...

http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)

Symposium 2007 | Environmental Monitoring & Assessment | US EPA11-04-2008

... to Estimate Distribution, Abundance, and Biomass of Dreissenidae and Other Zoobenthos... to Estimate Distribution, Abundance, and Biomass of Dreissenidae and Other Zoobenthos.

http://www.epa.gov/emap/html/pubs/docs/groupdocs/symposia/symp2007/abs... (HTML)

Hexagenia Density and Distribution | Indicators | LLRS | EPA08-26-2009

... end of Belle Isle (Figure 2. Almost no zoobenthos could be found in the vicinity of Zug Island. Figure 2.

http://www.epa.gov/med/grosseile_site/indicators/hexagenia-1968.html (HTML)

Hexagenia Density and Distribution | Indicators | LLRS | EPA08-26-2009

Almost no zoobenthos could be found in the vicinity of Zug Island. Pollution controls put in place during the 1970s ...

http://www.epa.gov/med/grosseile_site/indicators/hexagenia-1980.html (HTML)

Oligochaete Densities and Distribution | Indicators | LLRS | EPA08-26-2009

Overall, oligochaetes were the most numerous zoobenthos collected (greatest abundance at all but three sites) and at ... Section 6 – Zoobenthos.Benthos and sediment chemistry studies on the Detroit and St.

http://www.epa.gov/med/grosseile_site/indicators/oligochaetes.html (HTML)

Chironomid Abundance and Deformities | Indicators | LLRS | EPA08-26-2009

2003. Appendix 9: Sediment-zoobenthos interactions... Section 6 – Zoobenthos. Benthos and sediment chemistry studies on the Detroit and St. Clair ...

http://www.epa.gov/med/grosseile_site/indicators/chironomids.html (HTML)

Final Report | Testing Indicators of Coastal Ecosystem Integrity Using Fish and Macroinvertebrates10-12-2006

Community Structure: Zoobenthos The extensive collection records of zoobenthos (more than 4,000 samples from 143 locations) have provided important ...

http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)

Symposium 2007 | Environmental Monitoring & Assessment | US EPA11-04-2008

... Lake Erie Collaborative Comprehensive Study (ECCS) – sampling design to estimate distribution, abundance, and biomass of Dreissenidae and other zoobenthos Abstract.

http://www.epa.gov/emap/html/pubs/docs/groupdocs/symposia/symp2007/ (HTML)

Final Report | Modeling and Multiobjective Risk Decision Tools for Assessment and Management of Great Lakes Ecosystems

Lower trophic levels (e.g., phyto- and zooplankton, zoobenthos) are represented implicitly. Changes in fish abundance are driven by natural ...

http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)