Nearly every cave system has a species of crayfish unique to that system. You can't fill in a sinkhole without killing off a bunch of them, but then with all the sinkholes around there's no way to know if you eliminated a species or a local population. Also, until the species finds its way on a government list, it officially does not exist. If you miss the townhall meeting, fail to mention the existence of a species to officials, etc., well, no one will ever know.
Development is filling in sinkholes every day - no telling how many in any one area, let alone a state. We've seen sinkholes filled in quite a bit around here - and we know they contain a species of cavefish that is unique to this area, on the "in need of management" list of the state and federal EPA. Yet still they fill em in....
I wrote a short article awhile back on cave crayfish - it was published in the NACD journal and it's posted on the NACD website. It includes a few references for further reading. Jennifer Buhay, a cave biologist (Indiana University; [email protected]), specializes in cave crayfish, send her an email.
I also have a couple of articles, but too long to attach to a pm. email me at [email protected] and I'll email what I have to you.
-skip
"Learning the techniques of others does not interfere with the discovery of techniques of one's own." B.F. Skinner, 1970.
Thanks Skip, I will send you an email later tonight
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