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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

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Animal-sediment relationships: Evaluating the 'Pearson-Rosenberg paradigm' in Mediterranean coastal lagoons Magni, P.; Tagliapietra, D.; Lardicci, C.; Balthis, L.; Castelli, A.; Como, S.; Frangipane, G.; Giordani, G.; Hyland, J.; Maltagliati, F.; Pessa, G.; Rismondo, A.; Tataranni, M.; Tomassetti, P.; Viaroli, P. (2009). Animal-sediment relationships: Evaluating the 'Pearson-Rosenberg paradigm' in Mediterranean coastal lagoons. Mar. Pollut. Bull. 58(4): 478-486. http://dx.doi.org/10.1016/j.marpolbul.2008.12.009 In: Marine Pollution Bulletin. Macmillan: London. ISSN 0025-326X; e-ISSN 1879-3363, meer

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Beschikbaar in	Auteurs
VLIZ: MarBEF Open Archive 147284 [ download pdf ]

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Trefwoorden

Benthic communities Eutrophication Indicators Macrobenthos Water bodies > Lagoons > Coastal lagoons MED, Mediterranean [Marine Regions] Marien/Kust

Author keywords

Macrobenthos; Ecological indicators; Eutrophication; Benthic diversity;Coastal lagoons; Mediterranean Sea

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Auteurs		Top
Magni, P., meer Tagliapietra, D. Lardicci, C., meer Balthis, L. Castelli, A., meer	Como, S., meer Frangipane, G. Giordani, G. Hyland, J. Maltagliati, F., meer	Pessa, G. Rismondo, A. Tataranni, M. Tomassetti, P. Viaroli, P.

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Abstract

We investigated the applicability of the Pearson–Rosenberg (P–R) conceptual model describing a generalized pattern of response of benthic communities in relation to organic enrichment to Mediterranean Sea coastal lagoons. Consistent with P–R model predictions, benthic diversity and abundance showed two different peaks at low (>2.5–5 mg g−1) and high (>25–30 mg g−1) total organic carbon (TOC) ranges, respectively. We identified TOC thresholds indicating that risks of reduced benthic diversity should be relatively low at TOC values < about 10 mg g−1, high at TOC values > about 28 mg g−1, and intermediate at values in-between. Predictive ability within these ranges was high based on results of re-sampling simulation. While not a direct measure of causality, it is anticipated that these TOC thresholds should serve as a general screening-level indicator for evaluating the likelihood of reduced sediment quality and associated bioeffects in such eutrophic systems of the Mediterranean Sea.

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