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Abundance–occupancy relationships
1. The abundance and distribution of species tend to be linked, such that species declining in abundance often tend also to show declines in the number of sites they occupy, while species increasingExpand
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The Gaps between Theory and Practice in Selecting Nature Reserves
Over the last three decades a great deal of research, money, and effort have been put into the devel- opment of theory and techniques designed to make conservation more efficient. Much of the recentExpand
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Density–distribution relationships in British butterflies. I. The effect of mobility and spatial scale
Summary 1  Positive relationships between the density and distribution of species in taxonomic assemblages are well documented, but the underlying mechanisms remain poorly understood. TwoExpand
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Abundance–range size relationships of macrolepidoptera in Britain: the effects of taxonomy and life history variables
1. A positive relationship between the local abundances and regional distributions of species in an assemblage has been observed for a wide variety of taxa, but its underlying mechanisms remainExpand
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Do local abundances of British birds change with proximity to range edge
Summary Aim Species generally vary in the density they attain at different sites, prompting the question of whether this variation is systematic across their range. We investigate this questionExpand
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Coincidence between consumer and host occurrence: macrolepidoptera in Britain
1. The interspecific relationship between the distributions of consumers and resources is examined, using data for macrolepidoptera (moths) in Britain.
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Relative measures of geographic range size: empirical comparisons
Many different measures of range size are used for both empirical and conservation purposes. The possible consequences of the particular methods used in determining observed patterns of results areExpand
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Of mice and wrens: the relation between abundance and geographic range size in British mammals and birds
We examine the relation between population size and geographic range size for British breeding birds and mammals. As for most other assemblages studied, a strong positive interspecific correlation isExpand
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Coincidence in the distributions of butterflies and their foodplants
The relationship between the geographic distribution of consumers and of their hosts (foodplants) is examined using the resident butterfly fauna of Britain. On average, butterfly species that feed onExpand
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Species‐range size distributions in Britain
The detailed forms of species-range size distributions in Britain are determined and contrasted for ten taxonomic assemblages (liverworts, vascular plants, molluscs [aquatic and terrestrial],Expand
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