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Sample size estimates for monitoring population densities of Tetranychus urticae and Panonychus ulmi in apple orchards in South Africa were derived fr...
Read moreThis report presents the latest results of the survey on the population size and distribution harbour seals (Phoca vitulina)around Scotland in context...
Read moreThis Special Profile contains papers covering several topics, including the impact of habitat fragmentation and semi-natural landscape elements for po...
Read moreThis document describes Natural England's approach and methods for defining favourable conservation status (FCS) in England, UK. The principles of def...
Read moreEcological systems are prone to disturbances and perturbations. For stage-structured populations, communities and ecosystems, measurements of system m...
Read moreThis report discusses a project which aims to develop a Population Viability Analysis (PVA) modelling framework, applicable to seabirds at a variety o...
Read moreThe widespread drainage of wetlands and grazing marshes has been one of the main drivers of severe reductions in the number and range of breeding wade...
Read moreThe populations of Operophtera brumata (L.) on 8 cider apple trees of 4 cultivars were monitored from October 1972 until May 1975 in Western England. ...
Read moreDipterous stem-boring larval populations were assessed in rotationally grazed or cut plots of ryegrass [Lolium perenne] in southern England throughout...
Read moreThe following is virtually the author's summary. The patterns of distribution, of insects flying over pasture, to leeward of a mixed hedge in southern...
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