%0 Journal Article %K range margin %K Bioclimatic envelope model %K butterfly habitat management %K habitat associations %K niche breadth %B Ecology Letters %D 2009 %G en %N 10 %P 1091-1102 %R 10.1111/j.1461-0248.2009.01367.x %T Changes in habitat specificity of species at their climatic range boundaries %V 12 %8 2009 %@ 1461-0248