A preliminary study on the feeding regime of European pilchard (Sardina pilchardus Walbaum 1792) in Izmir Bay, Turkey, Eastern Aegean Sea [PDF]
The gut contents of Sardina pilchardus specimens captured in Izmir Bay were examined in order to determine their feeding regimes. Of the 365 stomachs examined, 321 (87.95%) contained food and 44 (12.05%) were empty. Analysis of gut contents verified that
Bayhan, B., Sever, T.M., Taskavak, E.
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A two-year study of the composition and abundance of the zooplankton was conducted in an Amazonian vãrzea lake, Lago Camaleão. Rotifers were dominant in terms of both species numbers and density.
Hardy, E., Koste, W., Robertson, B.
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Does Long-Term Macrophyte Management in Lakes Affect Biotic Richness and Diversity? [PDF]
We hypothesize that the richness and diversity of the biota in Lake Moraine (42°50’47”N, 75°31’39”W) in New York have been negatively impacted by 60 years of macrophyte and algae management to control Eurasian watermilfoil ( Myriophyllum spicatum L.
Harman, Willard N. +2 more
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The structure and spatial heterogeneity of zooplankton in small lake river Wel (Poland)
The aim of the study was to determine changes in potamoplankton structure caused by lakes in the fluvial system of the small River Wel. The river flows through 10 lakes. The study was conducted in 2007 and 2008.
Napiórkowski Paweł +1 more
doaj +1 more source
Benthic and interstitial habitats of a lentic spring as invertebrate refuges during supra-seasonal drought [PDF]
Instream refuges are places where invertebrates persist during disturbances due to reduced adverse impacts. During droughts, low flows may be accompanied by elevated temperatures, and potential refuges including subsurface sediments and spring-fed ...
Stubbington, R, Wood, PJ
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One of the key problems of modern ecology is to analyze the structure of ecosystems in Arctic water bodies, which are sensitive to global climatic changes and anthropogenic stress.
Elena S. Chertoprud +4 more
doaj +1 more source
Growth and reproduction of Moina rectirostris (Leydig) and Ceriodaphnia quadrangula (O. F. Muller) with feeding on detritus. [Translation from: Sbornik po prudovomu rybovodstvu, 79-89. Moscow, VNIRO, 1969.] [PDF]
The significance of detritus in the nutrition of aquatic animals, especially of the small representatives of the zooplankton, has been studied very slightly. Research so far has established that in M.
Esipova, M.A.
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On the nutrition of Polyphemus pediculus (L.). [Translation from: Trudy Instituta Biologii Vnutrennykh Vodnany 12(15) 170-174, 1966.] [PDF]
Many sides of the biology of Polyphemus pediculus are adequately studied at the present time. Most complicated is the question of its feeding. Dissection does not give an idea of the composition of the food, since Polyphemus strongly grinds its food with
Butorina, L.G., Sorokin, Yu I.
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Some studies on Cladocera: Moina affinis Birge [PDF]
Cladocera of Phyllopoda is very common and widely distributed in freshwater and there are more species of Cladocera than Copepoda. In Vietnam also, many kind of species of Cladocera were found by the authors. Since long time, Cladocera is known like one
Shirota, A., Tran, Ðinh An
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Occurrence of 'Antrobathynella stammeri' (Jakobi, 1954) (Crustacea: Syncarida: Bathynellidae) in the hyporheic zones of two English karst rivers [PDF]
This paper reports the first records of Antrobathynella stammeri in the British Isles since 1985. Numerous individuals were observed in hyporheic water extracted from the River Skirfare (Yorkshire, UK), whilst, in an independent study, a single confirmed
Dunscombe, MP +2 more
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