Search Results - "SEITZ, R. D"

Influence of shallow-water habitats and shoreline development on abundance, biomass, and diversity of benthic prey and predators in Chesapeake Bay by Seitz, R. D., Lipcius, R. N., Olmstead, N. H., Seebo, M. S., Lambert, D. M.

“…Within the coastal zone, waterfront development has caused severe loss of shallow-water habitats, such as salt marshes and seagrass beds. Although the effects…”
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Effects of hypoxia on predator-prey dynamics of the blue crab Callinectes sapidus and the Baltic clam Macoma balthica in Chesapeake Bay by SEITZ, R. D, MARSHALL, L. S, HINES, A. H, CLARK, K. L

“…In general, hypoxia (< 2 mg O sub(2)/L) is detrimental to marine food webs because of faunal declines associated with persistent, severely low oxygen. However,…”
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Blake Ridge methane seeps: characterization of a soft-sediment, chemosynthetically based ecosystem by VAN DOVER, C. L, AHARON, P, RAPOPORT, S, RAULFS, E. C, RUPPEL, C, SALERNO, J. L, SEITZ, R. D, SEN GUPTA, B. K, SHANK, T, TURNIPSEED, M, VRIJENHOEK, R, BERNHARD, J. M, CAYLOR, E, DOERRIES, M, FLICKINGER, W, GILHOOLY, W, GOFFREDI, S. K, KNICK, K. E, MACKO, S. A

“…Observations from the first submersible reconnaissance of the Blake Ridge Diapir provide the geological and ecological contexts for chemosynthetic communities…”
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Role of habitat and predators in maintaining functional diversity of estuarine bivalves by Glaspie, Cassandra N., Seitz, Rochelle D.

“…Habitat loss is occurring rapidly in coastal systems worldwide. In Chesapeake Bay, USA, most historical oyster reefs have been decimated, and seagrass loss is…”
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Variation in top-down and bottom-up control of marine bivalves at differing spatial scales by Seitz, R. D., Lipcius, R. N.

“…At large spatial scales (>1 km), the forces structuring marine communities are diverse and include oceanographic, geological, and human processes, as well as…”
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Trophic interactions under stress: hypoxia enhances foraging in an estuarine food web by Long, William Christopher, Seitz, Rochelle D.

“…Ecosystem-level effects of stressors are critical to understanding community regulation, and environmental stress models are useful in describing such effects…”
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Effects of seasonal hypoxia on macrobenthic production and function in the Rappahannock River, Virginia, USA by Sturdivant, S. Kersey, Seitz, Rochelle D., Diaz, Robert J.

“…Since colonial times, anthropogenic effects have eroded Chesapeake Bay’s health, resulting in an increase in the extent and severity of hypoxia (≤2 mg O₂ l–1),…”
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Population ecology and secondary production of the polychaete Loimia medusa (Terebellidae) by SEITZ, R. D, SCHAFFNER, L. C

“…A study focused on the population dynamics and secondary production of the infaunal terebellid polychaete Loimia medusa in a shallow sand habitat of the York…”
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Treatise on Zoology--Anatomy, Taxonomy, Biology: The Crustacea. F. Schram and C. von Vaupel Klein, editors by Seitz, R. D.

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Diet Selectivity of Juvenile Blue Crabs (Callinectes sapidus) in Chesapeake Bay by Seitz, Rochelle D, Knick, Kathleen E, Westphal, Miranda

“…Shallow coves in Chesapeake Bay have abundant food and serve as nursery grounds for juvenile blue crabs. In this study, we examined the relationships between…”
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Broad-scale effects of hypoxia on benthic community structure in Chesapeake Bay, USA by Seitz, Rochelle D., Dauer, Daniel M., Llansó, Roberto J., Long, W. Christopher

“…Benthic communities provide secondary production for higher trophic levels, and changes in benthic community structure can be a harbinger for associated food…”
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Behavioral effects of low dissolved oxygen on the bivalve Macoma balthica by Long, W. Christopher, Brylawski, Bryce J., Seitz, Rochelle D.

“…Hypoxia, a dissolved oxygen concentration (DO) below 2 mg l – 1 , is a significant stressor in many estuarine ecosystems. Many sedentary organisms, unable to…”
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Density-Dependent Predation, Habitat Variation, and the Persistence of Marine Bivalve Prey by Seitz, Rochelle D., Lipcius, Romuald N., Hines, Anson H., Eggleston, David B.

“…The persistence of prey encountering intense predation varies by species, prey density, and habitat type; however, the collective impact of these factors has…”
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Ecosystem services of restored oyster reefs in a Chesapeake Bay tributary: abundance and foraging of estuarine fishes by Pfirrmann, Bruce W., Seitz, Rochelle D.

“…Restoration of oyster reefs in coastal ecosystems may enhance fish and fisheries by providing valuable refuge and foraging habitat, but understanding the…”
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Faunal communities on restored oyster reefs: effects of habitat complexity and environmental conditions by Karp, Melissa A., Seitz, Rochelle D., Fabrizio, Mary C.

“…Wild oyster populations have suffered >85% global loss, and in Chesapeake Bay, only 1% of the historic oyster population remains. In response, efforts to…”
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Are predator–prey model predictions supported by empirical data? Evidence for a storm-driven shift to an alternative stable state in a crab–clam system by Glaspie, Cassandra N., Seitz, Rochelle D., Lipcius, Romuald N.

“…A dynamic systems approach can predict steady states in predator–prey interactions, but there are very few examples of predictions from predator–prey models…”
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Impacts of habitat, predators, recruitment, and disease on soft-shell clams Mya arenaria and stout razor clams Tagelus plebeius in Chesapeake Bay by Glaspie, Cassandra N., Seitz, Rochelle D., Ogburn, Matthew B., Dungan, Christopher F., Hines, Anson H.

“…Soft-shell clams Mya arenaria and razor clams Tagelus plebeius in Chesapeake Bay, USA, have declined in numbers since the 1970s, with severe declines since the…”
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Broad-scale association between seagrass cover and juvenile blue crab density in Chesapeake Bay by Ralph, Gina M., Seitz, Rochelle D., Orth, Robert J., Knick, Kathleen E., Lipcius, Romuald N.

“…Although numerous small-scale laboratory, mesocosm, and field experiments have demonstrated that abundance, survival, and growth of juvenile fish and…”
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Effects of hypoxia on predator-prey dynamics of the blue crabCallinectes sapidusand the Baltic clamMacoma balthicain Chesapeake Bay by Seitz, R. D., Marshall, L. S., Hines, A. H., Clark, K. L.

“…In general, hypoxia (<2 mg O₂ l–1) is detrimental to marine food webs because of faunal declines associated with persistent, severely low oxygen. However,…”
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Food availability and growth of the blue crab in seagrass and unvegetated nurseries of Chesapeake Bay by Seitz, Rochelle D., Lipcius, Romuald N., Seebo, Michael S.

“…Variation in habitat quality and resource availability can affect the distribution and growth of animals. Thin-shelled clams dominate many benthic communities…”
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