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Article
Physical and Biological Controls on Short-Term Variations in Dissolved Oxygen in Shallow Waters of a Large Temperate Estuary
Hypoxia in coastal waters is a pressing ecological problem caused by continued eutrophication and climatic change that has widespread consequences for metazoan life and biogeochemical cycles. Numerous studies ...
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Article
Assessing the Effectiveness of Large-Scale Environmental Restoration: Challenges and Opportunities
A recent National Academies consensus report addresses monitoring and assessment of cumulative effects of large-scale and multiple restoration projects within the context of long-term environmental change. Fin...
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Article
A hydrodynamic model–based approach to assess sampling approaches for dissolved oxygen criteria in the Chesapeake Bay
Technological advances in water quality measurement systems have provided the potential to expand high-frequency observations into coastal monitoring programs. However, with limited resources for monitoring bu...
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Article
Challenges and Directions for the Advancement of Estuarine Ecosystem Science
Estuarine ecosystem ecology is a dynamic field of study that has historically focused on a spectrum of compelling research topics, and here we present a series of perspectives on the major challenges to be ove...
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Article
Role of Late Winter–Spring Wind Influencing Summer Hypoxia in Chesapeake Bay
We examined the processes influencing summer hypoxia in the mainstem portion of Chesapeake Bay. The analysis was based on the Chesapeake Bay Monitoring Program data collected between 1985 and 2007. Self-organi...
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Article
Erratum to: Synthesis in Estuarine and Coastal Ecological Research: What Is It, Why Is It Important, and How Do We Teach It?
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Article
Synthesis in Estuarine and Coastal Ecological Research: What Is It, Why Is It Important, and How Do We Teach It?
During the last two decades, there has been growing interest in the integration of existing ideas and data to produce new synthetic models and hypotheses leading to discovery and advancement in estuarine and c...
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Article
Open AccessLong-Term Changes in Water Quality and Productivity in the Patuxent River Estuary: 1985 to 2003
We conducted a quantitative assessment of estuarine ecosystem responses to reduced phosphorus and nitrogen loading from sewage treatment facilities and to variability in freshwater flow and nonpoint nutrient i...
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Article
Hypoxia in Chesapeake Bay, 1950–2001: Long-term change in relation to nutrient loading and river flow
A 52-yr record of dissolved oxygen in Chesapeake Bay (1950–2001) and a record of nitrate (NO3 −) loading by the Susquehanna River spanning a longer period (1903, 1945–2001) were assembled ...
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Article
Sources of nitrogen to estuaries in the United States
The purpose of this study was to quantify the nitrogen (N) inputs to 34 estuaries on the Atlantic and Gulf Coasts of the United States. Total nitrogen (TN) inputs ranged from 1 kg N ha−1 yr−1 for Upper Laguna Mad...
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Article
Sumberged aquatic vegetation in the mesohaline region of the Patuxent estuary: Past, present, and future status
The loss of submerged aquatic vegetation (SAV) from the Patuxent estuary during the latter part of the 20th century was explored using diverse data sets that included historic SAV coverage and distribution dat...
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Article
A watershed perspective on nutrient enrichment, science, and policy in the Patuxent River, Maryland: 1960–2000
The Patuxent River, Maryland, is a nutrient-overenriched tributary of the Chesapeake Bay. Nutrient inputs from sewage outfalls and nonpoint sources (NPS) have grown substantially during the last four decades, ...
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Article
Estimation of net physical transport and hydraulic residence times for a coastal plain estuary using box models
A box model based on salinity distributions and freshwater inflow measurements was developed and used to estimate net non-tidal physical circulation and hydraulic residence times for Patuxent River estuary, Ma...
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Chapter
Estuarine Ecosystem Issues on the Chesapeake Bay
On a global basis, estuarine systems constitute a small percentage (~0.5 percent) of the world’s oceanic areas. However, the very high fisheries production (~21 percent of world’s catch), proximity to major ur...
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Article
Sediment-water oxygen and nutrient exchanges along the longitudinal axis of Chesapeake Bay: Seasonal patterns, controlling factors and ecological significance
Sediment-water oxygen and nutrient (NH4 +, NO3 −+NO2 −, DON, PO4 3−, and DSi) fluxes were measured in three distinct...
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Article
External and internal factors regulating metabolic rates of an estuarine benthic community
The structure and metabolism of a soft-sediment estuarine macrofaunal community were measured over an annual cycle at two depth-contours in mesohaline Chesapeake Bay. Additional data for plankton productivity ...
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Article
Standing crop of salt marshes surrounding Chincoteague Bay, Maryland-Virginia
Chincoteague Bay is surrounded by approximately 95 km2 (23,000 acres) of irregularly flooded salt marsh dominated by shortSpartina alterniflora. The maximum standing crop, chemical composition, and live:dead rati...
