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Delaware Bay - restoring tidal marsh
The Salem Nuclear Power Generating Station causes the loss of large numbers
of fish in its cooling system. In order to to offset the loss of the major fish
species of concern in the Bay an attempt was made to estimate the area of tidal
marsh needed to provide habitat to make up the loss in population. Based on
the positive correlation between the primary production of salt marshes and
the secondary production of nekton, an aggregated food chain model was employed
to proved this estimate. From the model, over 5,040 ha of diked salt hay (Spartina
patens) marsh and common reed (Phragmites
australis) degraded brackish marsh was proposed for restoration, enhancement
and protection. The Estuary Enhancement Program in Delaware Bay has 20,500 acres
under restoration, preservation and enhancement, and includes the building of
six fish ladders to aid fish migration.
For more information see Web: http://www.njmsc.org/
and the Delaware Estuary Programme @ http://www.delep.org/
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Guidance: This example provides evidence for the role of saltmarshes
and saltmarsh restoration the survival of fish populations.
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