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The cereal aphid outbreaks of 1979 (Metopolophium dirhodum) and 1980 (Sitobion avenae) and their lower populations in 1981, in Norfolk, eastern Englan...
Read moreThe problem of determining quickly the extent of insect pest infestations, such as that of the fruit pest Ceratitis capitata in California, is discuss...
Read moreDipterous stem-boring larval populations were assessed in rotationally grazed or cut plots of ryegrass [Lolium perenne] in southern England throughout...
Read moreLife tables are presented for 4 consecutive generations of Psila rosae on carrots in southern England, and are analysed using key factor analysis. Of ...
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 moreRainfall data were collated for years preceding historical outbreaks of Mastomys [Praomys] rats in East Africa in order to test the hypothesis that su...
Read moreTwo models were tested against solar radiation data from a fully-leaved Quercus/Carya forest near Oak Ridge, Tennessee, USA. Vertical profiles of sola...
Read moreMarine protected areas (MPAs) can be effective tools for marine resource management. However, despite evidence of the positive effects of MPAs, such a...
Read moreThe aquatic plants in this study were Ruppia spp. which occur at shallow depths, Chara spp. at intermediate depths and Potamogeton pectinatus, Myrioph...
Read morePlants of white mustard (Sinapis alba) and garden cress (Lepidium sativum) grown together at high densities underwent collective self-thinning in acco...
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