Hull fouling as an invasion vector: can simple models explain a complex problem?
Article first published online: 16 FEB 2011
© 2011 The Authors. Journal of Applied Ecology © 2011 British Ecological Society
Journal of Applied Ecology
Volume 48, Issue 2, pages 415–423, April 2011
How to Cite
Sylvester, F., Kalaci, O., Leung, B., Lacoursière-Roussel, A., Murray, C. C., Choi, F. M., Bravo, M. A., Therriault, T. W. and MacIsaac, H. J. (2011), Hull fouling as an invasion vector: can simple models explain a complex problem?. Journal of Applied Ecology, 48: 415–423. doi: 10.1111/j.1365-2664.2011.01957.x
- Issue published online: 14 MAR 2011
- Article first published online: 16 FEB 2011
- Received 9 August 2010; accepted 30 January 2011 , Handling Editor: Melanie Austen
Appendix S1. Hull-fouling invertebrate specimens identified to species. Sampling port: H= Halifax, V= Vancouver, HV= both. Habitat: M= marine, E= estuarine, F= freshwater, B= brackish water. Invasive status: E-NIS= established NIS; NE-NIS= non-established NIS; NIS= nonindigenous species. Invasive status is indicated only for taxa found in each port. Where necessary, the port where live specimens were found is indicated in parentheses.
Appendix S2. Hull-fouling specimens not identified to species. NIS= taxon has NIS, NE-taxa= non-established taxa; rest of the codes as per Appendix 1.
Appendix S3. Supplementary information on hull fouling communities and vessels sampled in the ports of Halifax and Vancouver. Coast codes for vessels: EC= east coast, WC= west coast.
Appendix S4. Plot of observed values vs. values predicted by process models of gains and losses for sampled species richness (a), number of individuals (b), and number of individuals ship−1 (c). Species r2= 0·43, individuals r2= 0·26, and individuals ship−1 r2= 0·86; the last model was not predictive for 31 of 39 points which did not follow the overall pattern.
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