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Habitat quality and metapopulation effects are the main hypotheses that currently explain the disproportionate decline of insects in cultivated Holarctic landscapes. The former assumes a degradation in habitat quality for insects within surviving ecosystems, the latter that too few, small or isolated islands of ecosystem remain in landscapes for populations(More)
OBJECTIVE To assess the effect of home-based health assessments for older Australians on health-related quality of life, hospital and nursing home admissions, and death. DESIGN Randomised controlled trial of the effect of health assessments over 3 years. PARTICIPANTS AND SETTING 1569 community-living veterans and war widows receiving full benefits from(More)
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