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Barley and perennial ryegrass were grown at various densities in boxes and Italian ryegrass and timothy at various densities in the field. The initial...
Read moreThe effects of temp. on seed dormancy and germination were studied in 11 populations of tetraploid F. pratensis var. apennina from the Italian Alps an...
Read moreIn recent decades, many of the common and widespread butterflies in Britain which do not already occupy the whole of the country have expanded in rang...
Read moreStochastic analogues that included variation in spatial heterogeneity of population densities and of parameter values in Globodera were produced using...
Read moreRestoration is normally conducted with the goal of creating plant populations that establish, survive, successfully reproduce, contribute to ecosystem...
Read moreIndustrial longline fishing has been suspected to impact upon black-footed albatross populations Phoebastria nigripes by increasing mortality, but no ...
Read moreGovernmental authorities in many countries financially support the implementation of habitat connectivity measures to enhance the exchange of individu...
Read moreA field experiment on lucerne in British Columbia in which populations of Acyrthosiphon pisum (Harris) were harvested at various rates is described an...
Read moreIn investigations on Merodon equestris (F.) infesting daffodils in southern England in 1968-71, daily estimates of adult populations were made using a...
Read moreSee also W.A. 20, 2439 and 2892. Experimental simulation of the theoretical effects of ploughing, both to different depths, and at different times of ...
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