Dissolved Oxygen In The Chesapeake Bay: Processes And Effects
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Dissolved Oxygen In The Chesapeake Bay: Processes And Effects

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  • Personal Author:
    Mackiernan, Gail B.
  • Corporate Authors:
  • NOAA Program & Office:
  • Sea Grant Program:
    MDU (Maryland Sea Grant)
  • Description:
    This comprehensive collection of papers focuses on the environmental and biological processes that regulate oxygen levels in the Chesapeake Bay. Though low dissolved oxygen concentrations occur naturally during the summer, the Chesapeake in recent years has been subjected to extremely low levels (hypoxia) and even the absence (anoxia) of oxygen earlier and over larger areas than in previous years. In January, 1987 researchers and resource managers met to examine recent trends in hypoxia, the trophic level processes that lead to such conditions, and the consequences for important commercial species such as crabs and oysters. The resultant articles and discussions provide the most up-to-date information on the Bay's complex network of ecosystem processes. The following papers are included in this publication: 1. Hypoxia in Virginia's estuaries: an assessment of historical data. Leonard W. Haas and Bruce W. Hill pp. 5-11. 2. Chesapeake Bay mainstem and tributary monitoring program. Richard Batiuk pp. 12-18. 3. Hypoxia in Chesapeake Bay: results from the Maryland Office of environmental programs' water quality monitoring, 1984-1986. Robert E. Magnien pp. 19-21. 4. Neap-spring tidal effects on dissolved oxygen and river-bay interactions in the lower York River. Leonard W. Haas pp. 35-37. 5. Intrusion of low dissolved oxygen water into the Choptank River. Lawrence P. Sanford pp. 38-41. 6. Phosphorus cycling and nutrient limitation in the Patuxent River. Christopher F. D'Elia pp. 45-48. 7. Nutrient cycling in Chesapeake Bay. Thomas R. Fisher and Robert D. Doyle pp. 49-53. 8. Seasonal oxygen depletion and phytoplankton production in Chesapeake Bay: prelimary results of 1985-86 field studies. Thomas C. Malone pp. 54-60. 9. Sources of biochemical oxygen demand in the Chesapeake Bay: the role of macrophyte detritus and decomposition processes. Joseph C. Zieman, et al. pp. 61-65. 10. Chesapeake Bay dissolved oxygen dynamics: roles of phytoplankton and microheterotrop​hs. Robert B. Jonas pp. 75-80. 11. Bacterial carbon pools and fluxes in Chesapeake Bay plankton. Hugh Ducklow and Emily Peele pp. 81-85. 12. Implications of microzooplankto​n grazing on carbon flux and anoxia in Chesapeake Bay. Kevin G. Sellner, et al. pp. 86-90. 13. Physical and biological processes regulating anoxia in Chesapeake Bay: zooplankton dynamics. Michael R. Roman pp. 91- 99. 14. Contribution of sulfur cycling to anoxia in Chesapeake Bay. Jon H. Tuttle, et al. pp. 100-102. 15. Relative roles of benthic versus pelagic oxygen-​consuming processes in establishing and maintaining anoxia in Chesapeake Bay. W. Michael Kemp, et al. pp. 103-106. 16. Depicting functional changes in the Chesapeake ecosystem. Robert E. Ulanowicz pp. 117-124. 17. Biological monitoring of selecting oyster bars in the lower Choptank. John F. Christmas and Stephen J. Jordan pp. 125-128. 18. Influence of low oxygen tensions on larvae and post settlement stages of the oyster "Crassostrea virginica". Roger Mann, et al. pp. 139-143. 19. Effects of low dissolved oxygen in the Chesapeake Bay on density, distribution and recruitment of an important benthic fish species. Denise L. Breitburg pp. 144-146. 20. Bay anchovy ecology in mid-Chesapeake Bay. Edward D. Houde, et al. pp. 147-156. 21. Maryland stock assessment studies. Harley Speir pp. 157- 158. 22. Quantifying the severity of hypoxic effects. Howard T. Boswell, et al. pp. 159-170.
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  • Sea Grant Document Number:
    MDU-W-87-001
  • Document Type:
    Conference Proceeding
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  • Rights Information:
    Public Domain
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    Library
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