Polish Journal of Ecology, Volume 19Polish Scientific Publishers, 1971 - Ecology |
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Page 163
3.2 . Leafhopper density and production In the two meadows considered the density of leafhopper populations is subject to ... leafhoppers , except that in communities N and Niy in the nature reserve meadow small body size species prevail ...
3.2 . Leafhopper density and production In the two meadows considered the density of leafhopper populations is subject to ... leafhoppers , except that in communities N and Niy in the nature reserve meadow small body size species prevail ...
Page 167
... leafhopper species repre- sented during the season by 1 or 2 individuals avoid being caught , or get into the sample by change . Possibly , some of the leafhoppers immigrated to the meadow from adjacent habitats . Of the total 1155 ...
... leafhopper species repre- sented during the season by 1 or 2 individuals avoid being caught , or get into the sample by change . Possibly , some of the leafhoppers immigrated to the meadow from adjacent habitats . Of the total 1155 ...
Page 169
... leafhoppers hatched in the meadow remain in it . The highest reduction rate is observed at the larval stage . The average lifetime calculated for all the developmental stages of the leafhoppers is much smaller than that calculated for ...
... leafhoppers hatched in the meadow remain in it . The highest reduction rate is observed at the larval stage . The average lifetime calculated for all the developmental stages of the leafhoppers is much smaller than that calculated for ...
Contents
Natural | 3 |
Science Institute of Ecology Laboratory of Forest Ecosystems Warszawa | 47 |
SPATIAL DIFFERENTIATION OF THE CARABUS L | 55 |
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abundance adult alfalfa Andrzejewska aphids arcensis average Azotox bassiana beetles benthos bioclimatic biomass body weight bumble-bees calculated Carabidae castaneum caught Chironomidae Coccinellidae coccinellids consumption cooling power crops cultivated meadow culture cupreus diaspore diaspore production Diptera druk Ecology effective temperatures eggs Ekol farinosus females g/m² gatunków Gregorczuk groups habitat herb layer humidity increase insects Kajak Kampinos Forest Kazuń łąk lake lake Dargin large number larvae leafhoppers Łódź Łodzi mites mobility mortality nematodes nests Nowy Świat Nowy Świat 72 number of individuals number of species occur oryzae parasites Partridges percentage period phytoplankton plants plot Poland pollen populacji population density Poznań predators Productivity investigation produkcji pubescens Pybuthrin Querco-Carpinetum ratio resistance rigidus roślin saprophagous season shooting soil spiders Strzeleckie Meadows studies tion traps types of meadows typicum values vegetation Vistula Vistula Valley Warszawa