Polish Ecological Studies, Volume 2Polish Scientific Publishers., 1976 - Ecology |
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Page 85
... Population dynamics of Leptinotarsa decemlineata ( Say ) in eastern Ontario II . Population and mortality estimation during six age intervals - Can . Ent . 96 : 1190-1198 . JAKUSZEWSKI T. 1967 – The effect of shelterbelts on the ...
... Population dynamics of Leptinotarsa decemlineata ( Say ) in eastern Ontario II . Population and mortality estimation during six age intervals - Can . Ent . 96 : 1190-1198 . JAKUSZEWSKI T. 1967 – The effect of shelterbelts on the ...
Page 31
... population . The study period was : May - September . The results of the analysis ( Fig . 12 ) have confirmed the previously described scheme of changes in the percentage of females , males and nymphs in the populations of 5 species ...
... population . The study period was : May - September . The results of the analysis ( Fig . 12 ) have confirmed the previously described scheme of changes in the percentage of females , males and nymphs in the populations of 5 species ...
Page 34
... population : dispersal , colonization , and reproduction , and he concludes that the phase that determines the abundance of a population is the reproductive phase , and particularly the establishment of the parasite - host relationship ...
... population : dispersal , colonization , and reproduction , and he concludes that the phase that determines the abundance of a population is the reproductive phase , and particularly the establishment of the parasite - host relationship ...
Contents
Zdzisław MARGOWSKI Alina BARTOSZEWICZ and Adam SIWIŃSKI Soil formed from | 5 |
Zdzisław MARGOWSKI and Alina BARTOSZEWICZ Influence of agricultural use on | 15 |
Jan KOSSOWSKI and Ewa SIKORA The effect of the growth of vegetation cover on | 23 |
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aboveground abundance Apterygota Auchenorrhyncha autumn average badań biomass Brno Bródno Colorado beetle communities composition consumption crop CZERWIŃSKI decrease density dicotyledonous Diptera dominant dry weight ecol eggs Ekol energy fauna fertilization variants fertilized meadow field g/m² gleby grass grassland ecosystems grazing growth habitat higher House Sparrows increase intensive fertilization invertebrates investigations kg NPK/ha kg/ha KOTOWSKA Lake larvae layer leafhoppers Leśny Limnesia littoral Łomianki Lumbricidae medium production method mineral fertilization mobility Nauk nawożenia nematodes nest groups nests with offspring nitrogen number of individuals number of species nutrients organic matter oribatid oribatid mites overground pasture phytomass phytophagous phytophagous insects PIECZYŃSKI plant Polish Ecological population post-gathering residues pratensis primary production production period roln roots roślin samples season sheep SINGH soil moisture stages Stud sward Table temperature total number TRACZYK trappability underground unfertilized Varanasi vegetation Warsaw Warszawa water mites