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A computer model is described which simulates the spread of barley yellow dwarf luteovirus (BYDV) by aphids in winter cereals in SW England. The model...
Read moreThe rate of deforestation in West Africa was around 2% (12 000 km2) per annum during the 1980s, and recent evidence from Cameroon suggests that the ra...
Read moreThe seed-to-seedling transition may be a critical stage in determining the dynamics of plant populations. Insects which kill seeds either before or af...
Read moreRiver regulation and abstraction have dramatically altered the natural flow regime of many rivers worldwide, but experimental investigations of the bi...
Read moreImprovements in intercrop yields may be achieved through an understanding of yield advantages due to above-ground or below-ground interactions. Forage...
Read moreThe following is virtually the author's summary. The investigation described de-fines the limits of temperature and humidity beyond which the grain mi...
Read moreThe 20th century has witnessed substantial increases in the intensity of agricultural land management, much of which has been driven by policies to en...
Read moreUnderstanding the effects of disease is critical to determining appropriate management responses, but estimating those effects in wildlife species is ...
Read moreMultistate capture-recapture models are frequently used to estimate the survival and state transition parameters needed to parameterize stage-structur...
Read moreEncouraging geese onto pasture where they cause less conflict with agriculture than when on arable crops was investigated. The grazing intensity of wi...
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