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An investigation was made of factors affecting the distribution and abundance of insect herbivores on oak (Quercus petraea) in pure stands or in mixtu...
Read moreGermination and early seedling development were compared in two mistletoe species that parasitize and sometimes kill their eucalypt hosts. Germination...
Read moreDistribution and phenology of the beetles was studied at an infestation centre in a wood dominated by Ulmus glabra in Scania, S. Sweden, in 1983-85 us...
Read moreThe effects of attack density of Ips cembrae on the gallery length, eggs and adult offspring production and mortality were studied in 0.1 m2 bark samp...
Read moreMoorlands dominated by heather Calluna vulgaris are of international conservation importance, but are declining as a result of increased grazing press...
Read moreNumerous studies describe thresholds at which transitions between alternate ecosystem states occur but few quantitatively delimit these conditions and...
Read moreCrop raiding by African elephants Loxodonta africana erodes local tolerance for elephants and thereby impedes conservation efforts, so solutions are u...
Read moreThree important questions concerning the basic cause of the injuriousness of Tetranychid mites in Australian commercial orchards are whether insectici...
Read moreThe colonisation of collard plants by herbivorous insects was studied in New York in stands of 1, 10 and 100 plants. The stands were cultivated in som...
Read more1. Human visitors are associated with the unintended dispersal of weeds, seeds and pathogens across ecological communities. With the increasing popula...
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