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  1. 1 de nov. de 2001 · Here we evaluated changes in the distribution sizes and abundances of 46 species of butterflies that approach their northern climatic range margins in Britain—where changes in climate and ...

  2. 1 de nov. de 2001 · Using data for butterfly species in the fragmented British landscape and in immediately adjoining areas of the European continent, this paper shows that species of intermediate mobility have ...

  3. 10 de jun. de 1999 · In a sample of 35 non-migratory European butterflies, 63% have ranges that have shifted to the north by 35–240 km during this century, and only 3% have shifted to the south.

  4. 1 de nov. de 2001 · This study assessed long-term distribution trends of mountain butterflies across the eastern Alps and calculated species’ specific annual range shifts based on field observations and species distribution models, counterbalancing the potential drawbacks of both approaches.

  5. 7 de ago. de 1999 · We use high–resolution population data from British butterflies to demonstrate that conventional distribution maps, widely used by conservation biologists, grossly overestimate the areas occupied by species and grossly underestimate decline.

  6. 6 de ago. de 2023 · This is a stunning view of both the Chalkhill Blue upper and underside, as well as its superb habitat at Warren Hill, just within north Hampshire. The site i...

  7. 7 de mar. de 2006 · Evidence is accumulating of shifts in species' distributions during recent climate warming. However, most of this information comes predominantly from studies of a relatively small selection of taxa (i.e., plants, birds and butterflies), which may not be representative of biodiversity as a whole.