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A biological interpretation was made of spatial distributions of the aleyrodid Trialeurodes vaporariorum reared on Phaseolus vulgaris from various agg...
Read moreExpressions are presented for the penetration of direct and diffuse radiation into stands having (a) horizontal leaves, (b) randomly oriented leaves, ...
Read moreThe summer growth, winter dieback and grazing of shoots and flowers of heather was measured at 2 moors in N.E. Scotland. The main factor determining a...
Read moreThe upper limit to the number of mice was estimated at 36 mice/ha when 860 000 Douglas fir seeds/ha were taken. Additional seeds did not result in fur...
Read moreExpressions are presented for the penetration of direct and diffuse radiation into stands having (a) horizontal leaves, (b) randomly oriented leaves, ...
Read moreThe effects of defoliation by wild herbivores (mostly elephants) or domestic ungulates (mostly goats) on Kaffrarian succulent thicket, dominated by th...
Read moreSample size estimates for monitoring population densities of Tetranychus urticae and Panonychus ulmi in apple orchards in South Africa were derived fr...
Read moreThis Special Profile contains papers covering several topics, including the impact of habitat fragmentation and semi-natural landscape elements for po...
Read moreWhere Calluna was recolonizing burnt ground, the rate of soil erosion correlated negatively with the height and density of the vegetation. Where the C...
Read moreBroods of grey and red-legged partridges were radio-tracked for 20 days after hatching and their diet estimated from faeces collected at nocturnal roo...
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