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Virulent virus was introduced in 1977 to a feral cat population on the 290-km2 Marion Island, South Africa, where the cats were killing some 450 000 p...
Read moreShooting of game by shotgun inevitably leads to wounding of some individuals. Few attempts, however, have been made to quantify the numbers involved. ...
Read moreA biological interpretation was made of spatial distributions of the aleyrodid Trialeurodes vaporariorum reared on Phaseolus vulgaris from various agg...
Read moreHabitat degradation is a major reason for species extinctions. For parasite-host interactions, the decline of a parasite may not only be related to th...
Read moreFactors determining human densities in the central African forests are examined and compared with the predictions from an agronomic model by the Food ...
Read moreThe effects of population density and row spacing on the growth and solar radiation interception of sorghum were measured from 1980-81 to 1983-84 in i...
Read moreSample size estimates for monitoring population densities of Tetranychus urticae and Panonychus ulmi in apple orchards in South Africa were derived fr...
Read moreCamera traps have great potential for generating wildlife insights by providing high resolution site-specific data. Methods of data collection and ana...
Read moreThe following is based largely on the author's summary. The insect communities on vegetation in a mixed hedgerow and in neighbouring fields of pasture...
Read moreIn a field trial near Forbes, central-west New South Wales, Trifolium balansae cv. Paradana and T. resupinatum lines SA 12240 and SA 14433 were sown a...
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