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New invading pathogen strains must compete with endemic pathogen strains to emerge and spread. As disease control measures are often non-specific, tha...
Read moreThe influence of dung beetles on the viability and availability on pasture of infective larvae of gastro-intestinal nematodes of cattle is discussed. ...
Read moreWetlands provide multiple services to human societies. Despite policies dedicated to their protection, current European policies do not address the ne...
Read moreA computer model was developed simulating the mating behaviour and population increase of adults of Spodoptera littoralis (Boisd.) in an isolated grou...
Read moreThe following is based largely on the author's summary. During investigations in Britain in 1968 on the effect of weed control on the incidence of Pie...
Read moreThe following is virtually the authors' summary. The dispersal of a population of Hylemya (Erioischia) brassicae (Bch.) was studied in Oxfordshire ove...
Read moreMonthly totals of arthropods found killed by pathogenic fungi in collections from 5 X 4 quadrats in three forest types in Ghana were shown to be inver...
Read moreThe demographic effects of reducing temperature and of insecticidal application against populations of the stored-grain pest Sitophilus oryzae (L.) we...
Read moreThe breeding of red-winged blackbirds (Agelaius phoeniceus) was used in 4 flood-irrigated hay meadows in Wyoming as a model to study the effects of a ...
Read moreA field experiment in Hampshire was undertaken to test whether the herbicides, fungicides and insecticides used on cereal fields reduce the survival o...
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