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The effects and the persistence of a single sc injection of ivermectin (Ivomec) to steers, at the recommended dose rate of 200 µg/kg body weight, were...
Read moreCorn buntings Miliaria calandra have declined steeply in Britain and north-western Europe since the mid-1970s; changes in farming practice are believe...
Read moreOver the past three decades changes in agricultural management have resulted in increased crop and grass production. This intensification has been acc...
Read moreYellowhammers (Emberiza citrinella) began to decline on British lowland farmland in the late 1980s and losses are presently 10% per year. This study e...
Read moreIntact profiles of soil from a field in UK that had been direct-drilled for 5 years and from the same soil that had been regularly ploughed were steri...
Read moreThe serpentine tailings from asbestos mines in southeastern Quebec cover 5.5 km2 and are largely devoid of vegetation. The tailings have a high pH, ve...
Read moreThe Azores bullfinch (or priolo), Pyrrhula murina [Pyrrhula pyrrhula murina], is known only in the east of the island of S. Miguel (Azores), where it ...
Read moreLeaf development and stem growth of ash were studied during 1993, in an experimental area installed in a mixed natural broadleaved stand in the state ...
Read moreThe hypothesis that subarctic hygrophilous plant species show poorly developed mechanisms for water conservation was tested by measuring the stomatal ...
Read moreThe distribution and abundance of adults, larvae and pupae of ceratopogonid midges in shaded and sunny habitats was investigated in relation to phenol...
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