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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Natural and human-induced hypoxia and consequences for coastal areas: Synthesis and future development
Biogeosciences, Volume 7, No. 5, Year 2010
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Description
Hypoxia has become a world-wide phenomenon in the global coastal ocean and causes a deterioration of the structure and function of ecosystems. Based on the collective contributions of members of SCOR Working Group #128, the present study provides an overview of the major aspects of coastal hypoxia in different biogeochemical provinces, including estuaries, coastal waters, upwelling areas, fjords and semi-enclosed basins, with various external forcings, ecosystem responses, feedbacks and potential impact on the sustainability of the fishery and economics. The obvious external forcings include freshwater runoff and other factors contributing to stratification, organic matter and nutrient loadings, as well as exchange between coastal and open ocean water masses. Their different interactions set up mechanisms that drive the system towards hypoxia. Coastal systems also vary in their relative susceptibility to hypoxia depending on their physical and geographic settings. It is understood that coastal hypoxia has a profound impact on the sustainability of ecosystems, which can be seen, for example, by the change in the food-web structure and system function; other influences include compression and loss of habitat, as well as changes in organism life cycles and reproduction. In most cases, the ecosystem responds to the low dissolved oxygen in non-linear ways with pronounced feedbacks to other compartments of the Earth System, including those that affect human society. Our knowledge and previous experiences illustrate that there is a need to develop new observational tools and models to support integrated research of biogeochemical dynamics and ecosystem behavior that will improve confidence in remediation management strategies for coastal hypoxia. © Author(s) 2010. CC Attribution 3.0 License.
Authors & Co-Authors
Zhang, Jing
China, Shanghai
State Key Laboratory of Estuarine and Coastal Research
Gilbert, D.
Canada, Mont Joli
Maurice Lamontagne Institute, Fisheries and Oceans Canada
Gooday, Andrew J.
United Kingdom, Southampton
National Oceanography Centre Southampton
Levin, Lisa Ann
United States, La Jolla
Integrative Oceanography Division
Naqvi, S. W.A.
India, Goa
National Institute of Oceanography India
Middelburg, J. J.
Netherlands, Wageningen
Netherlands Institute of Ecology Nioo - Knaw
Netherlands, Utrecht
Universiteit Utrecht
Scranton, Mary I.
United States, Stony Brook
Stony Brook University
Ekau, Werner
Germany, Bremen
Leibniz Center for Tropical Marine Research
Peña, A.
Canada, Ottawa
Fisheries and Oceans Canada
Dewitte, Boris
France, Toulouse
Laboratoire D'etudes en Géophysique et Océanographie Spatiales
Oguz, T.
Turkey, Ankara
Middle East Technical University Metu
Monteiro, Pedro M.S.
South Africa, Pretoria
The Council for Scientific and Industrial Research
Urban, Edward
United States, Newark
College of Earth, Ocean and Environment
Rabalais, Nancy N.
United States, Chauvin
Louisiana Universities Marine Consortium
Ittekkot, V.
Germany, Bremen
Leibniz Center for Tropical Marine Research
Kemp, W. M.
United States, Cambridge
University of Maryland Center for Environmental Science
Ulloa, Osvaldo
Chile, Biobio
Universidad de Concepcion
Elmgren, Ragnar
Sweden, Stockholm
Stockholms Universitet
Escobar-Briones, E.
Mexico, Mexico
Universidad Nacional Autónoma de México
van der Plas, Anja K.
Namibia, Swakopmund
Ministry of Fisheries and Marine Resources Namibia
Statistics
Citations: 389
Authors: 20
Affiliations: 20
Identifiers
Doi:
10.5194/bg-7-1443-2010
e-ISSN:
17264189
Research Areas
Environmental
Food Security