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To test the hypothesis that ectoparasitic phytophagous nematodes are a major consumer of primary production in arid grasslands, carbofuran was applied...
Read moreNutrient enrichment may adversely impact plant species richness in wetlands and enhance their susceptibility to colonization and dominance by invasive...
Read moreTwo burning regimes (burning each year during 1958-60 and burning in 1958 and 1960 only) were compared for the clearance of thicket in Acacia woodland...
Read moreBrowsing by large mammals may strongly constrain the growth and reproduction of woody plants, and may alter the food quality and resource availability...
Read moreMuch concern has been expressed about the sustainability of fuelwood harvesting in Africa. Most models predict that demand will outstrip supply within...
Read moreManaging wildlife populations for conservation, control or harvesting involves uncertainty. Nevertheless, decisions need to be made based on the avail...
Read moreIn the area studied [cf. F.A. 27 No. 28], the tree cover, measured in various ways, was not significantly related to the dry weight of the herb layer ...
Read moreThe following is virtually the author's summary of this account of observations in southern England. When undisturbed in a breeding chamber, females o...
Read moreThe population of great cormorants Phalacrocorax carbo sinensis breeding in northern Europe has increased from 5000 pairs during around 1970 to c. 100...
Read moreThe numbers of deer (Capreolus capreolus, Cervus elaphus and Dama dama [fallow deer]) are rising throughout Britain and population densities frequentl...
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