Polish Journal of Ecology, Volume 19Polish Scientific Publishers, 1971 - Ecology |
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Page 286
... samples , however , differed greatly , possibly as the result of the different ratio of females and males , but exhibited a tendency to continuous decrease in size . Stage V individuals did not greatly differ from adults , and they have ...
... samples , however , differed greatly , possibly as the result of the different ratio of females and males , but exhibited a tendency to continuous decrease in size . Stage V individuals did not greatly differ from adults , and they have ...
Page 5
... samples were collected everyday for 40 days with the help of a 5 liter plankton sampler of Bematowicz's type , The samples were collected from epi- , meta- and hypolimnion separately . The samples in epi- and metalimnion were collected ...
... samples were collected everyday for 40 days with the help of a 5 liter plankton sampler of Bematowicz's type , The samples were collected from epi- , meta- and hypolimnion separately . The samples in epi- and metalimnion were collected ...
Page 6
... samples were precisely analysed . The samples were condensed to 50 ml by filtration through the plankton net with the mesh size 40 microns . Then the samples were fixed with 4 % formalin and elaborated according to the method of ...
... samples were precisely analysed . The samples were condensed to 50 ml by filtration through the plankton net with the mesh size 40 microns . Then the samples were fixed with 4 % formalin and elaborated according to the method of ...
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Common terms and phrases
22 July 30 August adult individuals algae amount of food bacteria bassiana Beauveria bassiana Biol biomass body length broods Calanoida calculated Carabidae cera Chydorus sphaericus Clado Cladocera cohorts Colorado beetle concentration in mg/l concentrations of natural copepodits copepods cupreus Daphnia cucullata Daphnia longispina decrease development length development of individuals Diaphanosoma brachyurum different concentrations Ekol epilimnion Eudia Eudiaptomus graciloides Eudiaptomus zachariasi eutrophic farinosus fecundity female with eggs food available food concentration fungi fungus habitat Hydrobiol hypolimnion indivi individual fecundity influence investigated species Juvenile individuals larvae length in days length of development length of individuals Limnol Łódź Łodzi Malovickaja Mikołajskie Lake Monakov mortality nannoplankton natural food nauplii number of eggs observed osobników pelagial of Mikołajskie period phytoplankton planktonic crustacean filtrators planktonic filtrators ponds population production of planktonic ptomus pubescens rotifers rozwoju samples species of planktonic sphaericus Šuškina temperature tion TOMUS ZACHARIASI total number trophic factor variations Węgleńska wzrostu Zool zooplankton