| Abstract: | The diked and freshened Herring River estuary (Wellfleet, Massachusetts) experiences regular summer hypoxia and one- to three-week periods of main stream anoxia, often accompanied by fish kills. Stream hypoxia results from the temperature-dependent increase in oxygen demand of organic matter released by diked salt marsh deposits; periods of total anoxia are induced by heavy rains which increase the runoff of wetland organic matter. Historic reductions in tidal flushing have extended the low salinity region of the estuary normally characterized by high organic loads and minimal flushing. Recurrent main stream anoxia has depressed both migratory and resident aquatic fauna. |
| Genre: | Article |
| ProdID: | 5223270 |
| Citation Author: | Portnoy, J. W. |
| Citation Contributing Office: | Patuxent Wildlife Research Center |
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| Citation End Page: | 129 |
| Citation Issue: | 2 |
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| Citation Language: | English |
| Citation Larger Work Title: | Estuaries |
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| Citation Number Of Pages: | 8 |
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| Citation Phsyical Description: | 122-129 |
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| Citation Search Results Text: | Summer oxygen depletion in a diked New England estuary; 1991; Article; Journal; Estuaries; Portnoy, J. W. |
| Citation Start Page: | 122 |
| Citation Volume: | 14 |
| Citation Year: | 1991 |
| Type: | citation/reference |
| Text: | Summer oxygen depletion in a diked New England estuary; 1991; Article; Journal; Estuaries; Portnoy, J. W. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| URL (DOCUMENT): | http://www.jstor.org/stable/1351685 |
| Date Other: | Wed, 16 Jun 2010 12:18 -0500 |
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