Proceedings, Volume 16E. Schweizerbart'sche Verlagsbuchhandlung, 1967 - Freshwater biology |
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Page 1360
... abundance of the examined plankton communities . The higher the fish fry stocking , the stronger the effect of fish on plankton . However , in different groups of plankton , this effect was perceivable in dif- ferent times . Crustaceans ...
... abundance of the examined plankton communities . The higher the fish fry stocking , the stronger the effect of fish on plankton . However , in different groups of plankton , this effect was perceivable in dif- ferent times . Crustaceans ...
Page 1364
... abundance of plankton . In all the ponds that were dried up for winter , regardless to stock numbers of fish , Keratella species of rotifers , and Daphnia species of crustaceans were more and more abundant relatively to others species ...
... abundance of plankton . In all the ponds that were dried up for winter , regardless to stock numbers of fish , Keratella species of rotifers , and Daphnia species of crustaceans were more and more abundant relatively to others species ...
Page 1373
... abundance of Tendipedidae and size of the fish stock . The average abundance of Tendipedidae was taken as 100 % in ponds with smallest fish stock of each types of ponds . has been observed probably because the juvenile larvae have been ...
... abundance of Tendipedidae and size of the fish stock . The average abundance of Tendipedidae was taken as 100 % in ponds with smallest fish stock of each types of ponds . has been observed probably because the juvenile larvae have been ...
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Common terms and phrases
algae allem andere anderen animals Aquatic Arten Asellus bacteria Bakterien Bedeutung Bedingungen benthos Besatz besonders Biomasse Boden Bodenfauna carp cells Chaoborus Cladocera crustaceans culture Cyanophyten Daphnia Dendrocoelum detritus Düngung eaux Ecology of Freshwater Einfluß einige endolithic Ergebnisse espèces fertilization festgestellt Fische fish stock Fishponds Freshwater Organisms Gdańsk Gewässer GOLUBIĆ große großen growth Grund helmet HEPHER heterotrophic HRBÁČEK Hydrobiol Jahre Karpfen Karpfenteiche können Kraków lakes larvae Larven larves Limnol Lobelia Dortmanna membrane Mengen mg/l Mittelwerte ml/m³ muß Naturzuwachs Neuston nitrogen number of bacteria organische organischen Ostrovo oxygen consumption pH-Wert phosphate phytoplankton plankton ponds populations Potamopyrgus Proben production PROWSE reservoirs REYNOLDSON River Russisch salinities Sauerstoff SCHÄPERCLAUS Sea Trout silting snails sowie species Suctoria surface Tabelle Teich Teichboden Teichen Teichkarpfen Teil temperature Tendipedidae triclads Untersuchungen verschiedenen Vistula waren Wasser weitere weniger Werte wurde wurden young Zahl Zeit zone zooplankton