Soft-bottom benthic assemblages and levels of contaminants in sediments and biota at Gray's Reef National Marine Sanctuary and nearby shelf waters off the coast of Georgia (2000 and 2001)

Cooksey, Cynthia and Hyland, Jeff and Balthis, W. Leonard and Fulton, Michael and Scott, Geoff and Bearden, Daniel (2004) Soft-bottom benthic assemblages and levels of contaminants in sediments and biota at Gray's Reef National Marine Sanctuary and nearby shelf waters off the coast of Georgia (2000 and 2001). Charleston, SC, NOAA/National Ocean Service/National Centers for Coastal Ocean Science, (NOAA Technical Memorandum NOS NCCOS, 6)

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Abstract

A series of studies was initiated to assess the condition of benthic macroinfauna and chemical contaminant levels in sediments and biota of the Gray’s Reef National Marine Sanctuary (GRNMS) and nearby shelf waters off the coast of Georgia. Four key objectives of the research are (1) to document existing environmental conditions within the sanctuary in order to provide a quantitative benchmark for tracking any future changes due to either natural or human disturbances; (2) to examine broader cross-shelf spatial patterns in benthic fauna and sediment contaminant concentrations and to identify potential controlling factors associated with the observed patterns; (3) to assess any between-year temporal variability in benthic fauna; and (4) to evaluate the importance of benthic fauna as prey for higher trophic levels. Such questions are being addressed to help fulfill long-term science and management goals of the GRNMS. However, it is anticipated that the information will be of additional value in broadening our understanding of the surrounding South Atlantic Bight (SAB) ecosystem and in bringing the knowledge to bear on related resourcemanagement issues of the region. We have begun to address the first three of these objectives with data from samples collected in spring 2000 at stations within GRNMS, and in spring 2001 at stations within the sanctuary and along three cross-shelf transects extending from the mouths of Sapelo, Doboy, and Altamaha Sounds out to sanctuary depths (about 17-20 m). This report provides a description of baseline conditions within the sanctuary, based on results of the spring 2000 survey (Section II), and uses data from both 2000 and 2001 to examine overall spatial and temporal patterns in biological and chemical variables within the sanctuary and surrounding inner-shelf environment (Section III). (PDF contains 65 pages)

Item Type: Monograph or Serial Issue
Title: Soft-bottom benthic assemblages and levels of contaminants in sediments and biota at Gray's Reef National Marine Sanctuary and nearby shelf waters off the coast of Georgia (2000 and 2001)
Personal Creator/Author:
CreatorsEmail
Cooksey, CynthiaCynthia.Cooksey@noaa.gov
Hyland, JeffJeff.Hyland@noaa.gov
Balthis, W. LeonardLen.Balthis@noaa.gov
Fulton, MichaelMike.Fulton@noaa.gov
Scott, GeoffGeoff.Scott@noaa.gov
Bearden, Daniel
Series Name: NOAA Technical Memorandum NOS NCCOS
Number: 6
Date: 2004
Publisher: NOAA/National Ocean Service/National Centers for Coastal Ocean Science
Place of Publication: Charleston, SC
Issuing Agency: United States National Ocean Service
Additional Information: Center for Coastal Environmental Health and Biomolecular Research
Subjects: Management
Ecology
Pollution
Item ID: 2166
Depositing User: Patti M. Marraro
Date Deposited: 28 May 2009 21:18
Last Modified: 21 Feb 2014 20:32
URI: http://aquaticcommons.org/id/eprint/2166

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