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Effects of manipulation of food supply on estuarine meiobenthos
Austen, M.C.; Warwick, R.M. (1995). Effects of manipulation of food supply on estuarine meiobenthos, in: Heip, C.H.R. et al. Major biological processes in European tidal estuaries. Developments in Hydrobiology, 110: pp. 175-184
In: Heip, C.H.R.; Herman, P.M.J. (Ed.) (1995). Major biological processes in European tidal estuaries. Developments in Hydrobiology, 110. Kluwer Academic: Dordrecht. ISBN 978-0-7923-3699-0. VIII, 276 pp., meer
In: Dumont, H.J. (Ed.) Developments in Hydrobiology. Kluwer Academic/Springer: The Hague; London; Boston; Dordrecht. ISSN 0167-8418, meer
Is gerelateerd aan:
Austen, M.C.; Warwick, R.M. (1995). Effects of manipulation of food supply on estuarine meiobenthos. Hydrobiologia 311(1-3): 175-184. https://hdl.handle.net/10.1007/BF00008579, meer

Beschikbaar in  Auteurs 

Trefwoorden
    Aquatic communities > Benthos > Meiobenthos
    Availability > Food availability
    Behaviour > Feeding behaviour
    Environments > Aquatic environment > Benthic environment
    Nematoda [WoRMS]
    ANE, Frankrijk, Gironde estuarium [Marine Regions]; ANE, Nederland, Westerschelde [Marine Regions]
    Marien; Brak water
Author keywords
    MEIOFAUNA; MESOCOSM; COMMUNITIES; FOOD; ORGANIC MATTER; NEMATODES

Auteurs  Top 
  • Austen, M.C., meer
  • Warwick, R.M., meer

Abstract
    A comparative mesocosm experiment was carried out to determine the effects of natural foods of different quality and quantity on the structure of natural meiobenthic communities collected in undisturbed sediment from the polluted Westerschelde and the comparatively undisturbed Gironde estuaries. Nematode communities are more diverse and species rich in the latter estuary. The organic matter or foods used were phytoplankton, green alga, salt marsh plant detritus and leaf litter detritus which were added at three dose rates including a high dose. There was no change in community structure in response to the treatments in either of the estuarine meiobenthic communities. Analysis of all the results from this experiment indicate that the food quantity manipulations had almost no effect on the deposit feeding meiofauna. It may be that the reserves of organic matter within the sediment were sufficient to satisfy their dietary requirements for the duration of the experiment. The abundance of diatom/epigrowth feeding nematodes which were initially dominant in the Gironde, declined substantially suggesting that they may have been food limited since diatoms were not among the sources of organic matter added to the mesocosm. There was no specific response to the five different types of organic matter added to the mesocosm.

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