As a service to our authors and readers, this journal provides supporting information supplied by the authors. Such materials are peer-reviewed and may be re-organized for online delivery, but are not copy-edited or typeset. Technical support issues arising from supporting information (other than missing files) should be addressed to the authors.

jbi12043-sup-0001-AppS1-TabS1-S6-FigS1-S5.docWord document13500KAppendix S1 Supporting text, tables (Tables S1–S6) and figures (Figs S1–S5).
jbi12043-sup-0002-AppendixS2.docWord document1204KAppendix S2 Step-by-step guide to the DResD procedure: a novel spatially explicit, individual-based analysis to identify migration corridors or barriers.

Please note: Wiley Blackwell is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.