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The following is virtually the authors' conclusion and summary. The proportion of eyries of the golden eagle (Aqutta chrysaetos) in western Scotland i...
Read moreThe phenology and growth chracteristics of U. dioica are considered in relation to the successful exploitation of the plant in E. Anglia by several He...
Read moreIn investigations in New Zealand, percentage estimates of the total mortality of Pieris rapae (L.) due to ground-living arthropod predators obtained b...
Read moreThe temperature requirements of five aphid species (Acyrthosiphon pisum (Harris), Aphis craccivora Koch, Brevicoryne brassicae(L.). Macrosiphum avenae...
Read moreCriteria for selecting sites are described and the various sampling, rearing and identification techniques used to investigate field populations of Si...
Read moreSparrowhawks (Accipiter nisus) found dead in eastern England showed a significant reduction in HEOD (organochlorine pesticide residues derived from al...
Read moreAraneae were collected using pitfall traps and absolute density sampling over a period of 6 months in a field of winter wheat in the UK. The numerical...
Read moreA statistical study of breeding success, eggshell index, and DDE, HEOD and PCB levels in Accipiter nisus eggs collected from 17 areas in Britain durin...
Read moreIn field trials in the UK, different levels of attack by hymenopterous parasitoids occurred in stem-boring larval Diptera (including Oscinella frit) i...
Read moreAn analysis of predation of cereal aphids (Sitobion avenae and Metopolophium dirhodum) by larvae of Episyrphus balteatus is described. Field data on t...
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