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The relationship between cereal preference and rate of energy intake was studied for the mallard and 4 types of cereal grain. In a field experiment at...
Read moreIn a randomized plot experiment on Festuca arundinacea grassland on alluvial loam soil during 1968, plots were mowed and raked bi-weekly, mowed and sp...
Read moreThis paper introduces a special section of this journal issue on birtds and agriculture, which comprises 7 further papers. Around 10% of recent papers...
Read moreThe basic features of the population dynamics of Musca vetustissima Wlk. in Australia have previously been elucidated from field observations and some...
Read moreIn a field trial in the Drentsche A Nature Reserve in the Netherlands, a grassland reclaimed from a heathland in 1950 and taken out of agricultural pr...
Read moreMathematical parameters were fitted to a 2-species competition model [H.A. 32: 1572] and a statistical test for the hypothesis that the species are co...
Read morePlantago lanceolata was grown at a range of sowing rates in controlled-environment, glasshouse and field experiments in competition with perennial rye...
Read moreWhile current weather patterns and rapidly accelerated changes in technology often focus attention on short-term trends in agriculture, the fundamenta...
Read moreHabitat loss must be distinguished from habitat fragmentation so that appropriate conservation management can be applied. Few studies have evaluated t...
Read moreThe effects of competition between ecologically contrasting populations from acid and calcareous soils were investigated in a pot experiment. The effe...
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