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Re: National Wildlife articles

I just got mail back today from the National Wildlife Foundation about 
the articles on-line.  The two mentioned below are now available at

   http://www.nwf.org/nwf/lib/nw/wildam7.html

and

   http://www.nwf.org/nwf/lib/nw/grassam7.html

respectively.  The photographs aren't available, however.  I really
applaud Natural Wildlife for making themselves available to the public
in this way.

> Has anyone read the April/May '97 issue of National Wildlife?  I highly
> recommend it.  On pg. 8 there is an alarming article entitled "Pollution's
> Hidden Toll on Native Plants".  It's a short synopsis of a 12-year study
> done on the effect of nitrogen on native grasses.  Apparently elevated
> nitrogen levels from air pollution actually stimulate the growth of
> grasses imported from Europe, while impairing the growth of native
> grasses.  "Once nitrogen increases in the soil, as when motor-vehicle
> pollution settles to the ground, nonnative plants take over.  Subsequent
> changes in the soil also increase nitrogen pollution in water supplies.
> In addition, species diversity in affected areas declines."

> In the same issue of National Wildlife, p. 20, is "Twilight of America's
> Grasslands."  Again, I highly recommend this article.  It deals more with
> the declining population of grassland bird species, due to our shrinking
> prairies.  And on p. 29 there is a beautiful picture of my beloved
> Iroquois County State Wildlife Area, with prairie blazing stars and
> rattlesnake master in full bloom.  Makes my heart ache.

Chris
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