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Using sugar-beet seedlings as phytometers, NAR, LAI and light intensity were measured at various levels in field-grown spring barley, winter wheat, sp...
Read moreEuropean farmland bird populations have fallen dramatically and sympathetic management of key habitats is one crucial way to help boost these populati...
Read moreMany parasites of medical and veterinary importance infect via free-living stages that undergo a period of development in the environment before seeki...
Read morePart 1: The influence of routine sprays of winter wash (0.1 % DNOC+3.0% petroleum oil), lime-sulphur and captan on populations of P. ulmi and its pred...
Read moreThis conservation assessment represents a comprehensive review by scientists of the current scientific knowledge about the ecology, habitat use, popul...
Read moreRangeland grasshopper movement was studied in Wyoming, USA, in July 1997 with respect to the biological and ecological factors (population density, de...
Read moreTheoretical studies have presented conflicting conclusions about the value of introducing multiple parasitoid species to control insect pests, dependi...
Read moreIn citrus orchards in Trinidad, the presence of the ant Azteca sp. on a tree was negatively correlated with the presence of nests of the termite Nasut...
Read moreAlthough agricultural expansion is a primary threat to tropical biodiversity, experimental studies evaluating the conservation value of tropical agric...
Read moreTo find a more reliable basis for ecotoxicological risk assessment, two microcosm experiments, one in the laboratory and another in the field (lysimet...
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