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The Chesapeake Bay segment called Lower Mobjack Bay Lower York River Virginia was found to have insufficient data to characterize in 1999. Therefore this area was selected for a chemical, toxicological, benthic community characterization study of the sediments in 2002. The segment was divided into 3...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.588.719 2023-05-15T15:34:50+02:00 and Morris H. Roberts Mark A. Richards Peter F. De Lisle The Pennsylvania State University CiteSeerX Archives application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.588.719 http://www.deq.state.va.us/Portals/0/DEQ/Water/ChesapeakeBay/YorkToxicsReport.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.588.719 http://www.deq.state.va.us/Portals/0/DEQ/Water/ChesapeakeBay/YorkToxicsReport.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.deq.state.va.us/Portals/0/DEQ/Water/ChesapeakeBay/YorkToxicsReport.pdf text ftciteseerx 2016-01-08T13:22:52Z The Chesapeake Bay segment called Lower Mobjack Bay Lower York River Virginia was found to have insufficient data to characterize in 1999. Therefore this area was selected for a chemical, toxicological, benthic community characterization study of the sediments in 2002. The segment was divided into 3 strata: the lower York River, the Poquoson River, and Back River, each with 4 randomly selected stations. Samples were collected in October 2002 for evaluation of conditions. There were few significant chemical exceedances of the ER-L or ER-M in the three strata and no toxicologically effects from exposure to sediment samples from any stratum. In contrast, the Poquoson and Back River strata showed consistent community degradation ranging from degraded to seriously degraded. The lack of chemical and toxicological impacts and the intensive residential land use makes it reasonable to conclude that the likely explanation for the degraded benthic community is eutrophication. There is not, however, confirmatory data for this interpretation. iii Text Back River Unknown York River ENVELOPE(-66.500,-66.500,62.417,62.417) |
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English |
description |
The Chesapeake Bay segment called Lower Mobjack Bay Lower York River Virginia was found to have insufficient data to characterize in 1999. Therefore this area was selected for a chemical, toxicological, benthic community characterization study of the sediments in 2002. The segment was divided into 3 strata: the lower York River, the Poquoson River, and Back River, each with 4 randomly selected stations. Samples were collected in October 2002 for evaluation of conditions. There were few significant chemical exceedances of the ER-L or ER-M in the three strata and no toxicologically effects from exposure to sediment samples from any stratum. In contrast, the Poquoson and Back River strata showed consistent community degradation ranging from degraded to seriously degraded. The lack of chemical and toxicological impacts and the intensive residential land use makes it reasonable to conclude that the likely explanation for the degraded benthic community is eutrophication. There is not, however, confirmatory data for this interpretation. iii |
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The Pennsylvania State University CiteSeerX Archives |
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Text |
author |
Morris H. Roberts Mark A. Richards Peter F. De Lisle |
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Morris H. Roberts Mark A. Richards Peter F. De Lisle and |
author_facet |
Morris H. Roberts Mark A. Richards Peter F. De Lisle |
author_sort |
Morris H. Roberts |
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http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.588.719 http://www.deq.state.va.us/Portals/0/DEQ/Water/ChesapeakeBay/YorkToxicsReport.pdf |
long_lat |
ENVELOPE(-66.500,-66.500,62.417,62.417) |
geographic |
York River |
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York River |
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Back River |
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Back River |
op_source |
http://www.deq.state.va.us/Portals/0/DEQ/Water/ChesapeakeBay/YorkToxicsReport.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.588.719 http://www.deq.state.va.us/Portals/0/DEQ/Water/ChesapeakeBay/YorkToxicsReport.pdf |
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Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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1766365119294472192 |