J Lecture 13 - A Bit of Ocean Conservation, Then Back to Wetlands

J Lecture 13 - A Bit of Ocean Conservation, Then Back to Wetlands

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A bit of Ocean Conservation, Then back to Wetlands
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Biomagnification and Bioaccumulation of Organochlorine, and other Chemical Compounds in Marine Mammals and Other Top Predators
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Data from the Bay of Fundy, Maine
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Mercury
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Sedimentation
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Litter and Rubbish
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Check out this web site: http://www.biology.duke.edu/bio217/2002/fis h/index.html
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Back to Wetlands
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Peatland Aquatic Duration of flooding (bog and fen) Marsh Swamp Depth of Flooding
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Ecological Function: “the capacity of natural processes and components to provide goods and services that satisfy human needs” -de Groot 1992, P. 7
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Wetland Services • Productivity (including Fisheries) • Flood control • Filtration/water quality • Regulation of atmospheric carbon dioxide and methane levels • Maintenance of the global nitrogen cycle
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NPP per unit area
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Production of animal biomass in wetlands is 3.5X higher than terrestrial ecosystems (Turner 1982)
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43% of the federally threatened and endangered species rely directly or indirectly on wetlands for their survival.
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J Lecture 13 - A Bit of Ocean Conservation, Then Back to Wetlands

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