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Studies were carried out in Ghana on the population dynamics of larvae of Characoma stictigrapta Hmps., a pest of the pods and leaves of cacao. Larvae...
Read moreThe enchytraeid populations of soil samples were recorded for 4 yr in a newly felled area and untreated control area (Sept. 1975-79) and for 2 yr (197...
Read moreStudies were made in the Tavetsch Valley in the subalpine region of central Switzerland, of the day-active Lepidoptera faunas in different types of cu...
Read moreFactors affecting the production and survival of lambs, including vulnerability to predation, were studied in a flock of about 850 Blackface hill shee...
Read moreHeather was protected from grazing for 5 years at 2 moors in north-east Scotland, one grazed largely by mountain hares (Lepus timidus) and one grazed ...
Read moreAcari were sampled from experimental plots on coal-shale tips undergoing reclamation. Cryptostigmata were the dominant mite order. Acid and more basic...
Read moreDescribes an experiment in which simulated June rainfalls of 200-500 mm. were applied on sandy soils, and of 300-600 mm. on clay soils. Results showed...
Read moreSimple logistic regression models empirically derived in other fragmented landscapes (in the Netherlands and Italy) were explored for their ability to...
Read moreThe adult life-span and the factors affecting egg production in Pieris rapae (L.) (especially age, temperature and solar radiation) were investigated ...
Read moreThe nematode fauna of 4 cropping systems were studied for 5 years in central Sweden. Plots were cropped as follows: barley with (B120) and without (BO...
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