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Page Title | About the Gulf Ecology Division | US EPA11-23-2009

... primary gradients in metals and organic chemicals based on an extensive dataset comprising 319 estuarine sites from throughout the northern Gulf ...

http://www.epa.gov/ged/publica/cabprj28.htm (HTML)

EPA Exposure Research - Ecological Exposure Research Division Publications: 199903-04-2009

Mulltilocus DNA fingerprinting methods have been used extensively to address genetic issues in wildlife populations... Spermatozoa cryopreserved with DMSO-SPMM-egg yolk extender had the highest values of straight-line velocity and ...

http://cfpub.epa.gov/ordpubs/nerlpubs/nerlpubs_eerd_1999.cfm?ActType=P... (HTML)

2002 Annual Report | Effects of Estrogen Pollution on the Reproductive Fitness of the Gulf Pipefish, Syngnathus scovelli05-03-2004

This will expand our database to include a more extensive set of field values for vitellogenin levels, as well as ...

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

Page Title | About the Gulf Ecology Division | US EPA11-23-2009

... drawn particularly from warmwater species, but also from the more extensively studied coldwater cultured species such as the salmon and trout.

http://www.epa.gov/ged/publica/cabbck30.htm (HTML)

2003 Annual Report | Development and Evaluation of Chemical Indicators for Monitoring Ecological Risk02-25-2005

Although photo-induced toxicity has been studied extensively and its acute toxicity demonstrated in the laboratory, this will ... Vtg is a precursor to egg-yolk formation, and can be induced in both males and females ...

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

1998 Annual Report | An Integrated Approach to Assessing Water Management Options in a Major Watersheds: Extending a Hydrodynamic-Water Quality Model to Include Biological and Politico-Economic Components

We shall be requesting a 1-year no-cost extension to complete the analyses and write the relevant reports... the effects of flows and temperature on egg dispersal and yolk-sac larvae.

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

2000 Annual Report | Environmental Endocrine Disruption in Avian Wildlife

... We have applied for and been granted a no-cost extension to complete the mechanistic study and extend our observation to ...

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

Page Title | About the Gulf Ecology Division | US EPA11-23-2009

... caged or feral fish for the presence of the egg yolk precursor protein, vitellogenin (VTG), in the blood of male fish.

http://www.epa.gov/ged/publica/cabprj29.htm (HTML)

EPA Exposure Research - Human Exposure and Atmospheric Sciences Division Publications: 200103-04-2009

Extensive questionnaire information on household characteristics and activity diaries for the children are also collected. Field sampling for a total ...

http://cfpub.epa.gov/ordpubs/nerlpubs/nerlpubs_heasd_2001.cfm?ActType=... (HTML)

USFWS Biological Opinion on Oregon's Water Quality Standards for Temperature01-29-2008

... of the Oregon Department of Environmental Quality (ODEQ) in their extensive review of these water quality standards... alevins require 65-90 days after hatching to absorb their yolk sacs (Pratt 1992.

http://yosemite.epa.gov/r10/water.nsf/2fb9887c3bbafaaf88256b5800609bf0... (HTML)

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