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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 more
Following the intentional introduction of the exotic biological control organisms Puccinia chondrillina (skeletonweed rust), Cystiphora schmidti (skel...Read more
The 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 more
Age-structured host/parasitoid population models with overlapping generations were developed to investigate the interactions of Rastrococcus invadens,...Read more
In 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 more
The effects of a change from sheep to cattle grazing on dung beetle [Scarabaeidae] communities were studied under Mediterranean conditions in France i...Read more
Araneae 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 more
The 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 more
In modern agricultural landscapes, many organisms providing ecosystem services such as pollination and natural pest control are likely constrained by ...Read more
Spiders were sampled, by suction (D-vac) and direct counts of their webs, in a controlled sheep-grazing experiment on calcareous ex-arable land and in...Read more