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Free Content High Resilience to Disturbance of an Estuarine Polychaete Community

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Abstract:

Massive reductions in the population densities of the polychaetous annelids of an estuarine, intertidal habitat were quantified. Anaerobic conditions as a result of the deposition of large volumes of the green alga, Ulva lactuca L, resulted in an 89% decrease in the density of the 10 most common polychaete species, while only 2 of the 10 species became locally extinct. One month after the peak reduction in total density all 10 species were present, and the total polychaete community density reached the second highest value for the study. The high resilience of the polychaete community was explained by (1) the presence of numerous opportunistic species, (2) the possibility of adult immigration, (3) the spatial extent of the disturbance and (4) the intensity of the disturbance.

Document Type: Short Communication

Publication date: 1984-01-01

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  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
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