Here's some articles I've found on the subject for those interested.
General information:
http://www.news.cornell.edu/releases/Jan99/species_costs.html
http://gcrio.ciesin.org/CONSEQUENCES/vol2no2/article2.html
The one below also has really interesting historical information on the
introduction of carp.
http://www.acnatsci.org/erd/ea/exotics.html
Lot's of links to other sites, including several on brown tree snakes
http://www.fw.umn.edu/nresexotics3001/relatedlinks.html
Exotic fish and in aquatics:
Here's one on exotics in Australia
http://www.nativefish.asn.au/exotics.html
http://www.gcrio.org/ASPEN/science/eoc94/EOC3/EOC3-7.html
Frogs:
http://www.austmus.gov.au/is/sand/canetoad.htm
Also the URL's Jay provided to the list are very good too and certainly
worth looking at for those interested.
Rhonda
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