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The 34 papers have lists of references and summaries in English, French and German, and cover many aspects of the subject in NATO countries. Danger to...
Read moreFollowing the intentional introduction of the exotic biological control organisms Puccinia chondrillina (skeletonweed rust), Cystiphora schmidti (skel...
Read moreThe reproductive success and biology of Africanized (A) and European (E) honeybees (Apis mellifera) were compared for a year (1984-86) over 3 life-zon...
Read moreAge-structured host/parasitoid population models with overlapping generations were developed to investigate the interactions of Rastrococcus invadens,...
Read moreThis paper presents the results of studies conducted to evaluate the effects of landscape-scale mean arable field size and local management (flower st...
Read moreIn a survey of areas beside 12 main roads (with the road number prefix 'A') in the UK in June-September 1989, it was found that verges and central res...
Read moreThe effects of a change from sheep to cattle grazing on dung beetle [Scarabaeidae] communities were studied under Mediterranean conditions in France i...
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 moreThe effects of the provision of within-field grass habitats for the overwintering of natural enemies of Aphididae were studied in 1987-90 in the UK. D...
Read moreIn modern agricultural landscapes, many organisms providing ecosystem services such as pollination and natural pest control are likely constrained by ...
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