Oxygen Dynamics in Chesapeake Bay: A Synthesis of Recent Research Book

	Acknowledgments
	Hypoxia Studies in the Chesapeake Bay: An Overview
	Major Scientific Findings
	Management Implications of Scientific Findings
	Introduction	1
Ch. 1	Influences of Circulation Processes on Dissolved Oxygen in the Chesapeake Bay	7
	Introduction	7
	Chesapeake Bay Circulation	10
	Hypoxia Trends: 1950-80	30
	Major Influence on Hypoxia: Freshwater Flow or Nutrient Input	36
	Physical Processes and Biological Fates	41
	Learning from the Tributaries	46
	Research Summary and Management Needs	49
	Acknowledgments	53
	References	53
Ch. 2	Effects of Water Column Processes on Dissolved Oxygen, Nutrients, Phytoplankton and Zooplankton	61
	Introduction	61
	Distribution of Phytoplankton in the Chesapeake Bay	66
	Environmental Regulation of Phytoplankton	75
	Phytoplankton Production and Oxygen Depletion	96
	Conclusions	99
	Management Implications	103
	Acknowledgments	106
	References	106
Ch. 3	Microbial Processes, Organic Matter and Oxygen Demand in the Water Column	113
	Introduction	113
	Experimental Approaches for Studying Aquatic Microbial Processes	115
	Bacterial Behavior	118
	Research and Management Needs	141
	References	143
Ch. 4	Benthic-Pelagic Interactions: Nutrient and Oxygen Dynamics	149
	Introduction	149
	Deposition of Particulate Organic Matter	156
	Benthic Metabolism and Nutrient Cycling	164
	Sediment Nitrogen Cycling	176
	Interactions between Phytoplankton and Benthic Macrofauna	182
	Role of Benthic and Pelagic Processes in Oxygen Depletion	191
	Effects of Eutrophication on Benthic-Pelagic Coupling	196
	Research Needs and Management Implications	205
	Acknowledgments	208
	References	209
	Conclusion	223
	Glossary	227
	Appendix: Low Dissolved Oxygen Research Projects	231