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Utilization of food sources by invertebrates in a man-made intertidal ecosystem (Westerschelde, The Netherlands): a δ13C and δ15N study
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 study. 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, more
Peer reviewed article  

Available in Authors 
    VLIZ: Open Repository 141138 [ OMA ]

Keywords
    Abundance; Diatoms; Food availability; Habitat; Intertidal environment; Marine invertebrates; Organic matter; Rocky shores; Substrata; Suspended particulate matter; Trophic relationships; Fucus vesiculosus Linnaeus, 1753 [WoRMS]; ANE, Netherlands, Westerschelde [Marine Regions]; Marine

Authors  Top 
  • Riera, P., more
  • Stal, L., more
  • Nieuwenhuize, J.

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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