Curt Raymond wrote:
There are even plants (mostly trees I think) that REQUIRE fire before their
seeds will open.
Jack Pine is Michigan's example.
Since Kirkland's Warbler pretty much exclusively nests in Jack Pine forests, the
foolish attempts to prevent regular forest fires (so we get much larger but
less frequent fires instead) are making it hard for the bird to remain viable as
a species.
http://www.michigan.gov/dnr/0,1607,7-153-10370_12145_12202-32591--,00.html
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