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Feeding habits and food requirements of some amphipods in the Black Sea


, : Feeding habits and food requirements of some amphipods in the Black Sea. Mar Biol 1(4): 316-321

Food composition and food requirements of 4 amphipod species of the Black Sea [long dash]Dexamine spinosa, Amphithoe vaillanti, Gammarellus carinatus, Gamarus locusta[long dash] were studied and an attempt made to assess the quantitative composition of the food, daily rhythms of feeding, and daily food rations. The composition of the food of the above-named amphipods is similar and consists primarily of seaweeds. Daily feeding intensity is characterized by a distinct increase during the dark period (D. spinosa, A. vaillanti); however, in G. locusta feeding intensity increases in the morning. The daily food rations of amphipods vary greatly (from 1.7 to 360[degree]/o of the specimens' body weight), depending upon factors such as the kind of food, age, sex, the physiology of specimens, and the water temperature. The total quantity of food eaten by the populations of these amphipods in the coastal zone of the Black Sea amounts to 4000 g organic matter per square meter within 1 year.

US$19.90

DOI: 10.1007/bf00360783


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