Re: NANFA-- r (hellbenders plus!)

Steffen Hellner (steffen_at_hellner.biz)
Sun, 11 Jan 2004 22:32:27 +0100

That is one important part in the big puzzle.

Steffen

> Von: "R. W. Wolff" <choupiqu_at_wctc.net>
> Antworten an: nanfa_at_aquaria.net
> Datum: Sun, 11 Jan 2004 14:12:32 -0600
> An: <nanfa_at_aquaria.net>
> Betreff: Re: NANFA-- r (hellbenders plus!)
>
> Here is an illustration of my pet peeve. State listing of "edge of the range
> things". Fish, plants, nothing for that matter recognize man made
> bounderies. Here is an example. Fundulus dispar is endangered in Wisconsin,
> yet not protected in Illinois. Fundulus diaphanous is special concern (
> why?) in Wisconsin, but protected in Illinois. Neither of these fish
> recognize the staight line man drew on a map to divide these two states. To
> top this off, these fish are not important, even as bait, so there is little
> research done on their actual population dynamics. The dispar was listed in
> 1978, and there it sits. Meanwhile more populations and range extensions (
> probably not range extensions, but we are just finding them further away
> from the old sites as people know what they are and better how to find them)
> are found, and the habitat has improved, but they stay listed. It doesn't
> help that most surveys are done near large metro areas. You can see his in
> maps of many fish, the dots increase considerably near large cities,
> wouldn't one think that it would be the opposite?
>
>
>> The problem I see in general and in particular with the
>> hellbender is that many information is "only" local or regional and does
> not
>> reflect to the overall situation.
>
> Ray
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