| Abstract: | Approaches to predictive modeling and to management of the Chesapeake Bay ecosystem are ‘bottom up‘ (i.e., approaches involve the control of nutrient inputs in attempts to manage plankton productivity) and ‘top down‘ (i.e., approaches involve controls on harvest of fisheries and wildlife in attempts to manage vertebrate populations). Both approaches are limited by a lack of understanding of trophic connections between nutrient inputs, primary producers, and higher trophic level consumers. This project is aimed at identifying trophic structure for the submersed aquatic vegetation habitat of the Chesapeake Bay. We are employing analysis of stable isotope ratios of plant and animal tissues to identify trophic levels and traditional food habits analysis to identify the foods of a number of species of waterfowl. |
| Genre: | Book chapter |
| ProdID: | 5211224 |
| Citation Author: | Keough, J. R.; Haramis, G.M.; Perry, M.C. |
| Citation Contributing Office: | Patuxent Wildlife Research Center |
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| Citation Editor: | Perry, M.C. (editor) |
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| Citation Language: | English |
| Citation Larger Work Title: | Black ducks and their Chesapeake Bay habitats : proceedings of a symposium |
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| Citation Phsyical Description: | vii, 44 |
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| Citation Public Comments: | Held in Grasonville, Maryland, October 4, 2000. Symposium dedicated to Veron D. Stotts. OCLC: 51171874 PDF on file: see 6039_Perry.pdf 1.3 MB also 6039_Perry_searchable.pdf 5 MB |
| Citation Publisher: | U.S. Geological Survey |
| Citation Series: | Information and Technology Report |
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| Citation Search Results Text: | Understanding food webs in the Chesapeake Bay; 2002; Book chapter; Black ducks and their Chesapeake Bay habitats : proceedings of a symposium; Keough, J. R.; Haramis, G.M.; Perry, M.C. |
| Citation Start Page: | 38 (abs) |
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| Citation Year: | 2002 |
| Type: | citation/reference |
| Text: | Understanding food webs in the Chesapeake Bay; 2002; Book chapter; Black ducks and their Chesapeake Bay habitats : proceedings of a symposium; Keough, J. R.; Haramis, G.M.; Perry, M.C. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Tue, 9 Jun 2009 09:23 -0500 |
| Publisher: | U.S. Geological Survey |
