Results 81 to 90 of about 21,035 (280)

On the nutrition of the predatory cladocerans Leptodora and Bythotrephes. [Translation of: Byulleten' Institute Biologii Vodokhranilishch 6, pp. 21-22, 1960] [PDF]

open access: yes, 1960
Results of the investigation on certain problems of the nutrition of Leptodora and Bythotrephes in Rybinsk Reservoir (Russia) are reviewed. To clarify the composition of the food of Leptodora and Bythotrephes in this period, experiments were provided on ...
Mordukhai-Boltovskaya, E.D.
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Seasonal Variation of Cladocera Fauna of Sultan Marshes and Its Environment (Central Anatolia, Türkiye)

open access: yesSüleyman Demirel Üniversitesi Fen-Edebiyat Fakültesi Fen Dergisi, 2012
: In this study, eight water bodies located in Sultan Marshes and its environment (Zamantı River, Homurlu Stream, Ağcaşar Dam Lake, Soysallı Pond, Çayırözü Pond, Lake Söbe, Lake Camız and Sultan Marshes centre) were analyzed in order to determine ...
Murat Kaya   +2 more
doaj  

Beytepe Göleti’ndeki Zooplanktonun Mevsimsel Kompozisyonu Üzerine Bir Araştırma

open access: yesJournal of Agricultural Sciences, 2002
Bu çalışmada, Ankara-Beytepe Göleti’ndeki zooplanktonun mevsimsel kompozisyonu ve ortalama bollukları incelenmiştir. Zooplankton örnekleri Temmuz 1998-Mayıs 1999 periyodunda mevsimsel olarak alınmıştır.
Sibel Korkmaz
doaj   +1 more source

A preliminary study on the feeding regime of European pilchard (Sardina pilchardus Walbaum 1792) in Izmir Bay, Turkey, Eastern Aegean Sea [PDF]

open access: yes, 2005
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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Benthic and interstitial habitats of a lentic spring as invertebrate refuges during supra-seasonal drought [PDF]

open access: yes, 2013
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
core   +1 more source

Quantitative data on the feeding of Cyclops strenuus Fischer and Cyclops viridis Jurine. [Translation from: Trudy saratov.Otd.vses.nauchno-issled.Inst.ozer.rech.ryb.Khoz. 1, 163-176, 1951.] [PDF]

open access: yes, 1951
Cyclopids, exactly in the same way as daphnids, significant component in the nutrition of plankton-f and the young of the majority of fishes. It is established that the food spectrum of cyclopids is extremely broad: daphnids, planarians, Copepodite ...
Bogatova, I.B.
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Impact of single and repeated applications of the insecticide chlorpyrifos on tropical freshwater plankton communities [PDF]

open access: yes, 2008
This paper describes the effects of a single and a repeated application of the organophosphorus insecticide chlorpyrifos on zooplankton and phytoplankton communities in outdoor microcosms in Thailand.
Brink, P.J., van den   +2 more
core   +3 more sources

Magneto-Mineralogical and Biological Properties of Sediments of the Lake Bolshoy Kharbey [PDF]

open access: yesЖурнал Сибирского федерального университета: Серия Биология, 2014
Investigation of sediment cores from the lake Bolshoy Kharbey (Bolshezemelskaya tundra) was performed using magnetic-mineralogical and palaeobiological methods, including palynological, Cladocera and chironomid analysis.
Larisa B. Nazarova   +10 more
doaj  

On the nutrition of Polyphemus pediculus (L.). [Translation from: Trudy Instituta Biologii Vnutrennykh Vodnany 12(15) 170-174, 1966.] [PDF]

open access: yes, 1966
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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