Christopher Costello, John M. Drake, and David M. Lodge. 2007. Evaluating an invasive species policy: ballast water exchange in the Great Lakes. Ecological Applications 17:655–662.


Appendix A: Shipping traffic (number of vessels) in the Great Lakes from 1959 to 2000.
Ecological Archives A017-027-A1.

Appendix B: Nonindigenous animal species in the Great Lakes believed to be introduced through shipping.
Ecological Archives A017-027-A2.


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