"Healthy Forests" bait and switch?
VD at Pyro.net
Fri Mar 5 19:45:19 EST 2004
"hanson" <hanson at quick.net> wrote in message
news:raw1c.20425$aT1.7363 at newsread1.news.pas.earthlink.net...
> Things are so fucked up with this forest stuff, in large
> part because of the enviro turds, who with their mania for
> permit charges and user fees have disturbed an originally
> pretty well working environmental and administrative system.
Source: University Of Alberta
Leave Land Alone Following Natural Disasters, Say Researchers
Despite responses to wildfires as being disasters that require human
these natural disturbances are important ecosystem processes that
be left alone-a move that will increase the area's recovery chances,
a University of Alberta researcher.
Following a forest fire, there is typically an attempt to recoup
losses by salvage harvesting large volumes of timber in the affected
but this philosophy needs to be reexamined, said Dr. Fiona
who co-authored a paper just published in the prestigious journal
Schmiegelow and Dr. David Lindenmayer from the Australian National
University, found that salvage harvest operations after natural
disturbances can threaten some organisms when large quantities of
biological legacies are removed. "This may result in compounding,
cumulative or magnified effects on ecosystem processes and elements of
biota if an intense natural disturbance event is soon followed by an
intensive human disturbance," said Schmiegelow, a professor in the
Department of Renewable Resources.
The research team argues that large areas need to be exempt from
practices to maintain key ecological processes and facilitate recovery
following the disturbance, but where these practices are done, strict
policies need to be in place.
Catastrophic events can aid ecosystem restoration by recreating some
the structural complexity and landscape diversity lost through
intense management of natural resources. For example, floods can
areas and revitalize human-modified aquatic ecosystems while major
wildfires generate significant volumes of dead snags and downed trees
provide important habitat often depleted by certain forestry
Although scientists now recognize the importance of natural
and the biological legacies produced by them, policy makers and
resources managers are lagging behind, say the authors. "Maintaining
areas where the natural disturbance regime operates unimpaired by
activities is an important component of any biological conservation
strategy, and for ecological sustainability," said Schmiegelow.
More information about the Ag-forst