As a service to our authors and readers, this journal provides supporting information supplied by the authors. Such materials 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.

jpe2203-sup-0001-AppendixS1.docxWord document99KAppendix S1. Calculation of critical densities for colonist species.
jpe2203-sup-0002-AppendixS2.docxWord document177KAppendix S2. Simulations to determine the influence of sampling error on estimates of r.
jpe2203-sup-0003-AppendixS3.docxWord document200KAppendix S3. Growth of colonist populations in enclosures that received initial population sizes of 16 individuals per species.

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.