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Utilization of food sources by invertebrates in a man-made intertidal ecosystem (Westerschelde, The Netherlands): a δ13C and δ15N stud Riera, P.; Stal, L.; Nieuwenhuize, J. (2004). Utilization of food sources by invertebrates in a man-made intertidal ecosystem (Westerschelde, The Netherlands): a δ13C and δ15N stud. J. Mar. Biol. Ass. U.K. 84(2): 323-326 In: Journal of the Marine Biological Association of the United Kingdom. Cambridge University Press/Marine Biological Association of the United Kingdom: Cambridge. ISSN 0025-3154; e-ISSN 1469-7769

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Beschikbaar in	Auteurs
VLIZ: Open Marine Archive 339244 [ download pdf ]

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Trefwoorden

Abundance Algae > Diatoms ANE, Netherlands, Westerschelde Aquatic organisms > Marine organisms > Aquatic animals > Marine invertebrates Availability > Food availability Environments > Aquatic environment > Marine environment > Intertidal environment Habitat Organic matter Particulates > Suspended particulate matter Substrata Topographic features > Landforms > Coastal landforms > Rocky shores Trophic relationships Fucus vesiculosus Linnaeus, 1753 [WoRMS] Westerschelde [Marine Regions] Marien/Kust

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Auteurs		Top
Riera, P. Stal, L. Nieuwenhuize, J.

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Abstract

The trophic interactions between primary consumers and the organic matter sources in a man-made intertidal ecosystem were investigated. The most representative invertebrates that occupied the different habitat types tend to use similar food sources, namely benthic diatoms and suspended particulate or sedimentary organic matter, although they do so in different proportions. Fucus vesiculosus was abundant on the rocky substrate but this macroalga nor its epiphytes contributed importantly to the diet of the primary consumers inhabiting these assemblages. In contrast, benthic diatoms from the nearby mudflat were directly used as a food source because of their re-suspension in the water and transport by the tide to the artificial rocky shore. The results suggested that the trophic pathways in this intertidal environment were relatively simple.

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