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Some Effects of Dredging on Populations of Macrobenthic Organisms
Populations of epi- and infauna were studied from 10 months before to 11 months after a navigation channel was dredged through a small, shallow lagoon. Values of certain particulate and dissolved nutrients changed after dredging, but no correlation was observed between animal populations and fluctuations in nutrients. Significant reductions in standing crop figures and species and specimen numbers occurred in both the bay and the dredged channel. Mercenaria mercenaria populations were reduced. Productivity of Goose Creek was calculated at 89.87 g/sq m/yr before dredging and 31.18 g/sq m/yr after dredging. The unusually profound effects of dredging reported for Goose Creek are attributed to its small size and shallowness. (Modified author abstract)
Some Effects of Dredging on Populations of Macrobenthic Organisms
Populations of epi- and infauna were studied from 10 months before to 11 months after a navigation channel was dredged through a small, shallow lagoon. Values of certain particulate and dissolved nutrients changed after dredging, but no correlation was observed between animal populations and fluctuations in nutrients. Significant reductions in standing crop figures and species and specimen numbers occurred in both the bay and the dredged channel. Mercenaria mercenaria populations were reduced. Productivity of Goose Creek was calculated at 89.87 g/sq m/yr before dredging and 31.18 g/sq m/yr after dredging. The unusually profound effects of dredging reported for Goose Creek are attributed to its small size and shallowness. (Modified author abstract)
Some Effects of Dredging on Populations of Macrobenthic Organisms
E. H. Kaplan (author) / J. R. Welker (author) / M. G. Kraus (author)
1973
37 pages
Report
No indication
English
Ecology , Biological Oceanography , Benthos , Dredging , Goose Creek , Clams , Mollusca , Pelecypoda , Sediments , Nutrients , Invertebrates , Biomass , Ocean environments , New York , Reprints
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