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The widespread declines of farmland birds have generally been linked to agricultural intensification. We tested the hypotheses that (i) changes in agr...
Read moreEvaluating the status of endangered wildlife depends upon well-designed field studies. Finances and logistics often constrain field studies to finite ...
Read moreThe stage-specific responses of eruptive populations to ecosystem alterations have received little attention, despite the relevance of the issue for c...
Read moreThe summer populations of the aphid Metopolophium dirhodum were monitored in a field of winter wheat in Bedfordshire, England, in 1978-80. The populat...
Read moreSeveral populations of cranes, geese, and swans are thriving and increasing in modern agricultural landscapes. Abundant populations are causing conser...
Read moreWhere populations are confined to fragmented, human-dominated landscapes, preventing declines and extirpations will often rely on metapopulation manag...
Read moreNon-native, invasive species can affect biological patterns and processes at multiple ecological scales. The multi-scalar effects of invasions can inf...
Read moreInvasive alien species are among the most important threats to biodiversity. Plans for their eradication have been implemented worldwide but estimatin...
Read moreThe release of more than 40 million captive-bred pheasants and red-legged partridges in Britain annually represents a significant addition to the pote...
Read moreAfrican lions are declining across much of their range, yet robust measures of population densities remain rare. The Queen Elizabeth Conservation Area...
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