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The role of suspended sediments in the nutrition of zooplankton in turbid reservoirs
Arruda, J.A.; Marzolf, G.R.; Faulk, R.T. (1983). The role of suspended sediments in the nutrition of zooplankton in turbid reservoirs. Ecology 64(5): 1225-1235
In: Ecology. Ecological Society of America: Brooklyn, NY. ISSN 0012-9658, more
Peer reviewed article  

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Keywords
    Animal nutrition; Feeding behavior; Filter feeders; Nutrition; Sediments; Suspended particulate matter; Water reservoirs; Zooplankton; Daphnia O.F. Müller, 1785 [WoRMS]; USA, Kansas, Tuttle Creek Reservoir; Fresh water

Authors  Top 
  • Arruda, J.A.
  • Marzolf, G.R.
  • Faulk, R.T.

Abstract
    Reservoirs built on rivers draining agricultural watersheds are often turbid with suspended sediments. Filter-feeding zooplankton, e.g., members of the genus Daphnia, seem to be as abundant in such reservoirs as in natural lakes. Using controlled laboratory conditions, the authors have investigated the potential role of suspended sediments in the nutrition of Daphnia from a turbid reservoir. In three sets of experimental procedures they measured: (1) the physical effect of sediments on the ingestion and incorporation rates of algae by daphnids, (2) the ingestion rates of two sizes of clay mineral sediment particles by daphnids, and (3) the growth and survival of daphnids fed yeast and sediments with and without organic matter adsorbed onto the particle surfaces.

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