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A model analysis on the effect of decreasing nutrient loads on the biomass of benthic suspension feeders in the Oosterschelde ecosystem (SW Netherlands)

A model analysis on the effect of decreasing nutrient loads on the biomass of benthic suspension... SMOES, a dynamic box model for the Oosterschelde ecosystem (SWNetherlands), has been applied to assess the effect of anthropogenicnutrient load reductions on suspension feeder biomass. The model, originallydeveloped to study the ecological effects of the building of a storm-surgebarrier situated in the mouth of the Oosterschelde, was repeatedlycalibrated for the years 1988-1989 (after the completion of the barrier in1987). With ten acceptable, but qualitatively different calibrations of themodel, a series of nutrient load reduction scenarios (-25%,0%, 25%, 50%, 75% and 100%) have beenanalysed. It was expected that the system receiving fewer nutrients couldonly support lower suspension feeder biomass. In this study the carryingcapacity is expressed as the ratio between the benthic suspension feederbiomass sustained by the ecosystem in one of the nutrient scenarios and thebiomass in the undisturbed ecosystem. This decrease in carrying capacityvaries widely, from 5% to 50% of nutrient reduction. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aquatic Ecology Springer Journals

A model analysis on the effect of decreasing nutrient loads on the biomass of benthic suspension feeders in the Oosterschelde ecosystem (SW Netherlands)

van der Tol, M.; Scholten, H.
Aquatic Ecology , Volume 31 (4) – Sep 19, 2004
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References (34)

Publisher
Springer Journals
Copyright
Copyright © 1997 by Kluwer Academic Publishers
Subject
Life Sciences; Freshwater & Marine Ecology; Ecosystems
ISSN
1386-2588
eISSN
1573-5125
DOI
10.1023/A:1009956812400
Publisher site
See Article on Publisher Site

Abstract

SMOES, a dynamic box model for the Oosterschelde ecosystem (SWNetherlands), has been applied to assess the effect of anthropogenicnutrient load reductions on suspension feeder biomass. The model, originallydeveloped to study the ecological effects of the building of a storm-surgebarrier situated in the mouth of the Oosterschelde, was repeatedlycalibrated for the years 1988-1989 (after the completion of the barrier in1987). With ten acceptable, but qualitatively different calibrations of themodel, a series of nutrient load reduction scenarios (-25%,0%, 25%, 50%, 75% and 100%) have beenanalysed. It was expected that the system receiving fewer nutrients couldonly support lower suspension feeder biomass. In this study the carryingcapacity is expressed as the ratio between the benthic suspension feederbiomass sustained by the ecosystem in one of the nutrient scenarios and thebiomass in the undisturbed ecosystem. This decrease in carrying capacityvaries widely, from 5% to 50% of nutrient reduction.

Journal

Aquatic Ecology – Springer Journals

Published: Sep 19, 2004

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