Cutting has less up-front conservation costs because sagebrush is unaffected, but it is more expensive over longer management time horizons because of decreased durability.
We estimate that fire has approximately twice the treatment life of cutting at time horizons approaching 100 yr, but, has high up-front conservation costs due to temporary loss of sagebrush.
Ian Craig: The Northern Rangelands Trust brings marginalized communities into front-line conservation in Northern Kenya.
So these women are losing on the conservation front and on the development front.
"This is good news on the conservation front but bigger populations in bigger areas increases the challenge of managing land, human and animal conflict," he told AFP. "There (also) has to be some other place far away from Gir (for lions) so that in a time of catastrophe, we don't lose the population".
It may be luxurious, but visiting Virunga will help save the gorillas, and is a statement of support for the honourable rangers who have lost many of their colleagues in recent times, fighting on the front line of conservation to protect an asset, not only for their country, but for the rest of humanity.
But in a separate interview, Bill Meadows, president of the Wilderness Society, said, 'We still believe that there are certain places, including the Arctic refuge, and other special places like the Rocky Mountain front, where the conservation values so outweigh economic values that it would be inappropriate to go there".
I spent a lot of my time at the Congress listening to the concerns of people working on the front line of conservation.
On other conservation fronts, the Bush policy calls for the energy secretary to promote greater energy efficiency, in part by expanding the government's Energy Star labeling program providing consumers information about energy efficiency of appliances beyond the air-conditioners, refrigerators, freezers and other appliances already covered.
At this year's TEDWomen, I'll be sharing some additional updates, ideas and perspectives from the front-lines of conservation work in Africa and many other places where the challenges to sustaining our natural environments are being recognized.
This is the front line of elephant conservation.
