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80 percent of Malaysian Borneo degraded by logging
Date:7/20/2013

reas of intact forest remain in Malaysian Borneo, because so much has been heavily logged or cleared for timber or oil palm production. Rainforests that previously contained lots of big old trees, which store carbon and support a diverse ecosystem, are being replaced with oil palm or timber plantations, or hollowed out by logging."

Only 8% and 3% of land area in Sabah and Sarawak, respectively, was covered by intact forests in designated protected areas. Very few forest ecosystems remain intact in Sabah or Sarawak. But Brunei has largely excluded industrial logging from its borders and has been comparatively successful in protecting its forests.

Greg Asner commented: "The results are sobering. The problem with previous monitoring reports is that they have been based on satellite mapping methods that have missed most of the forest degradation in Malaysian Borneo, and elsewhere throughout the tropics. I'm talking about heavy logging that leaves a wake of forest degradation, even though the area may still look like forest in conventional satellite imagery. With the CLASlite system, we can see the effects of logging on the inner canopy of the forest. The system revealed extremely widespread degradation in this case."

Co-author of the study Phil Shearman said: "The extent of logging in Sabah and Sarawak documented in our work is breathtaking. The logging industry has penetrated right into the heart of Borneo and very little rainforest remains untouched by logging or clearfell in Malaysian Borneo. Brunei provides a stunning contrast. Most of Brunei's forests are still intact, as a result of largely excluding the logging industry from its borders. The situation in these tropical forests is now so severe that any further sacrifice of intact ecosystems to the logging industry should be off the table."


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Contact: Greg Asner
gpa@carnegiescience.edu
650-462-1047
Carnegie Institution
Source:Eurekalert

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