Ekologia Polska, Volume 12Państwowe Wydawnictwo Naukowe, 1964 - Ecology |
Contents
Zimny H The influence of chemical fertilizers and manure upon | 1 |
Kajak Z Experimental investigations of benthos abundance on | 11 |
Trojan P and Wojciechowska B Studies on the residency | 33 |
6 other sections not shown
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Common terms and phrases
abundance activity aggregations animals aphids Aphis attacked average beech benthos Bobry bottom cacoeciae cages captures cent cerealella composition cultures decrease degree density distribution dominance druk Działoszyn Dziekanów ecological eggs Ekol Elizówka Elodea canadensis embryophagum environments euplankton evanescens fish stock forest formed gatunków habitat host Hydracarina increase insects investigations Konfederatka lakes large number larvae Lemańsk liczebności Limnesia littoral Łódź Łodzi Melico-Fagetum migrate Mikołajskie molluscs mosquitoes nematodes number of individuals number of species observed parasites period periphyton periphyton organisms phytophagous Piona plankton plants Poland polymorpha populacji population Pučkov quantitative rainfall Redakcji Redaktor rodents Rotifera rotifers samples season shelterbelt Sieradz silvatica Sitotroga cerealella small number soil species occurred specimens stations structure study area sublittoral substrates summer temperature Tendipedidae thyllae total number trappability traps trees Trichogramma tyloses variations VIII Vistula Warszawa water mites Węgorzewo Wilkus xylem Zgięty Rękaw zoophages вод см