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This is an interesting read ...
http://www.greenspirit.com/printable.cfm?msid=30
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You've got to agree with Patrick Moore's main message that the "forestry industry" is not evil. Of course it's not! It's the segments of the forest industry that want to take out the remaining tracts of particular species of old growth in an ecologically irresponsible manner that are evil
I have to quibble with some of Moore's points where he's either misinformed or glosses over complex situations. For instance he says several times that North American forestry practices have never led to an extinction of a single species. It's commonly accepted that the Passenger Pigeon became extinct due to overhunting. It is more complex than that. Market hunting was part of the picture but the destruction of hardwood forests in central and eastern North America (during the the transition from forest to agricultural land use in the 1800's) removed the mast crops that the Passenger Pigeon depended on. Once the Passenger Pigeon flocks were forced to feed on increasingly isolated stands of mature chestnut, beech and oak they became easy targets for market hunters. By the early 1900's there wasn't enough hardwood forest in the east to support the few Passenger Pigeons that remained. Let's just say that human caused deforestation was a co-conspirator.
The Ivory Billed Woodpecker may not be extinct but it has been on the brink for the last 60 years. The extensive cutting of southern bottomland forest is the cause of this magnificent woodpecker's current extremely endangered status.
These high-profile species are the rock stars of extinction scenarios. The unsung heros are the many plants and animals who have lost their place in old-growth ecosystems during the last 300 hundred years of North American land-use history. Moore points to clear cuts in the northwest that have completely regenerated to near old-growth like ecosystems. Remember, this requires substantial adjacent old-growth habitat to allow a newer forest system to rebuild. And the devastating effects of systematic large clearcuts are felt for a long time before such regeneration is possible. These effects include regional climate change, loss of water retention in the affected ecosystem, long-term degradation of river and stream habitats including native fish and amphibian species, land instability etc. etc. Sure, nature does this with fires and volcanoes but the results of methodical and persistent pressure of human caused deforestation over an extended period of time are huge compared to forest fires and rare catastrophic volcano events like Mount St. Helens.
One last quibble. Moore doesn't help his argument going up against E.O. Wilson. Wilson is a widely respected scientist of the highest integrity, Moore should kiss his boots and call it a day.
Moore is on target pointing the finger at urban/suburban land use practices, automobiles and our resource wasteful ways of living. But he undermines his argument with half-truths and inaccuracy.
Whew, longest post I've ever written. Wore my fingers to a nub.
-moss