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The numbers of dead and live Sitobion avenae falling to the ground in a wheat crop in 1988-89 in the UK were estimated. The estimates showed that more...
Read moreAn investigation was made of factors affecting the distribution and abundance of insect herbivores on oak (Quercus petraea) in pure stands or in mixtu...
Read more1. Functional and numerical responses are key components in the selection of predators for biological control. We examined the relevance of these resp...
Read more1. A prerequisite for the restoration of desiccated bog remnants is rewetting the peat surface. Frequently in Europe, extensive areas are flooded in o...
Read moreThe influence of plot size in assessing the impact of pesticide treatment on invertebrate populations in cereal fields was investigated in winter whea...
Read moreThe demographic effects of an organochlorine contaminant on the dioecious aquatic macrophyte Vallisneria americana are reported. Plants were sampled f...
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 moreThe return of invertebrate animals to rehabilitated mine pits is desirable for the reestablishment of ecosystem functioning. A long-term ant monitorin...
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