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The reliability of deer population management could be improved with good density estimates, but current methods are either labour-intensive or suffer...
Read moreThe spider faunas of 2 filter beds at the Minworth Sewage Treatment Works in Birmingham, UK, were studied from June 1980 to June 1981 inclusive, to in...
Read moreRevegetation can provide major environmental benefits in degraded landscapes, but there is also potential for negative impacts from genetic change in ...
Read moreAnimals facing partial habitat loss can try to survive in the remaining habitat or emigrate. Effects on survival and movements should be studied simul...
Read moreModified versions of the classic disease/host differential equation models were applied to rates of harvesting, sterilization and vaccination required...
Read moreThe following is based on the authors' summary. Under favourable physical conditions, populations of Acarus siró L. reared on sterilised wheat-germ fl...
Read moreParameter uncertainty challenges the use of matrix models because it violates key assumptions underlying elasticity analyses. We have developed a matr...
Read moreIn field trials in Silwood Park, Berkshire, UK in 1982-85, wheat cv. Hustler was subjected to no grazing or to several regimes of grazing by rabbits. ...
Read moreCriteria for selecting sites are described and the various sampling, rearing and identification techniques used to investigate field populations of Si...
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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