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<font size=3>At 11:41 AM 2/1/2008, Bob Beyfuss wrote:<br>
<blockquote type=cite class=cite cite="">This is the best article I have
ever seen cited on this list serve. People <br>
need to wake up the the fact that virtually every ecosystem on this
planet <br>
is now dramatically different than it was even 50 years ago due to human
<br>
activity on a global scale. </font></blockquote><br>
<blockquote type=cite class=cite cite=""><font size=3>Efforts to
"restore" ecosystems that have been <br>
altered by irreversible global changes, such as doubling the carbon
dioxide <br>
levels in the atmosphere and rising temperatures, are a huge waste of
money <br>
and resources. Invasive plants are just one of the many symptoms of these
<br>
changes - </font></blockquote><br>
<blockquote type=cite class=cite cite=""><i>Invasive plants are clearly a
symptom of our willingness to import exotic organisms. <br>
I'm not so sure of the link between invasive plants and global climate
changes.</i> </blockquote><br>
<font size=3><i>There's anthropogenic greenhouse gas increases, and then
there's introduction of<br>
<a href="http://www.cogongrass.org/">cogongrass</a> ,
<a href="http://www.nps.gov/ALIEN/fact/tama1.htm">saltcedar</a> , and
numerous other examples. These are different problems, <br>
and should not be lumped together under "huge waste of money and
resources" . </i> <br><br>
<br>
<blockquote type=cite class=cite cite="">yet we declare "war"
on alien, exotic, species that "menace" us as <br>
though killing off these plants will somehow solve the
problem.</font></blockquote><br>
<i>Which problem, Bob, the Great Greenhouse, or Exotic invasive plants
that are <br>
documented to be destroying native ecosystems, and throwing the
bio-geo-chemistry <br>
out of whack.<br><br>
<br>
Tell that to American chesnut, and hemlocks.<br><br>
</i>Thanx<br><br>
Bill Stringer<br><br>
<br>
<blockquote type=cite class=cite cite=""><font size=3>At 10:06 AM
2/1/2008, Olivia Kwong wrote:<br>
><a href="http://www.sciencedaily.com/releases/2008/01/080131101747.htm" eudora="autourl">
http://www.sciencedaily.com/releases/2008/01/080131101747.htm</a><br>
><br>
>Conservation Strategies Must Shift With Global Environmental
Change,<br>
>Ecologists Urge<br>
><br>
>ScienceDaily (Jan. 31, 2008) . Traditional ecosystems in which
communities<br>
>of plants and animals have co-evolved and are interdependent are<br>
>increasingly rare, due to human-induced ecosystem changes. As a
result,<br>
>historical assessments of ecosystem health are often inaccurate.<br>
>Scientists are now suggesting that efforts should focus less on
restoring<br>
>ecosystems to their original state and more on sustaining new,
healthy<br>
>ecosystems that are resilient to further environmental change.
Accepting<br>
>some permanent changes may increase health of ecosystems.<br>
><br>
>See the link above for the full article text.<br>
><br>
><br>
>_______________________________________________<br>
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http://lists.plantconservation.org/mailman/listinfo/apwg_lists.plantconservation.org</a>
<br>
><br>
>Disclaimer<br>
>Any requests, advice or opinions posted to this list reflect ONLY the
<br>
>opinion of the individual posting the message.<br><br>
<br><br>
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<br><br>
Disclaimer
<br>
Any requests, advice or opinions posted to this list reflect ONLY the
opinion of the individual posting the message.</blockquote>
<x-sigsep><p></x-sigsep>
Bill Stringer<br>
Editor, Journal of the SC Native Plant Society<br>
PO Box 491<br>
Norris, SC 29667<br><br>
864 656 3527<br><br>
<a href="http://www.scnps.org/" eudora="autourl">www.scnps.org</a> <br>
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