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Data were collected from sampling pollinating bees [Apoidea] over 8 years in 13 blueberry fields in New Brunswick, Canada, and used to test the log-no...
Read moreThe following is virtually the author's summary of this second part of a series [cf. RAE A 59 2659]. Experiments on saplings of lime (Tilia) under con...
Read moreFields in southern England were sampled over seven years to assess populations of eggs and larvae of Hylemya (Leptohylemyia) coarctata (Fall.) and of ...
Read moreA mathematical model is described that was developed to relate observed egg sterility in insects to other parameters of mating and reproduction, for u...
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 ability to predict insect development in field situations is fundamental to pest management programmes and in the understanding of insect phenolog...
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 moreA model of the function of open drainage ditches (grips) on peat moorland in northern England is described. The model makes the following predictions:...
Read morePopulation data on Sitona discoideus collected from young lucerne in Canterbury, New Zealand, in 1982-86 were analysed using life tables. Manipulated ...
Read moreIn recent decades, many of the common and widespread butterflies in Britain which do not already occupy the whole of the country have expanded in rang...
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