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Protected areas successfully prevent deforestation in Amazon rainforest

By Guest PostMarch 22, 2013EnvironmentAmazon, amazon deforestation rates, Amazon rainforest, arun agrawal, betty moore foundation, brazilian amazon, christoph nolte, datasets, deforestation pressure, deforestation rates, human settlements, indigenous groups, kirsten m silvius, prevent deforestation, protected areas, reducing carbon emissions, reducing deforestation, remote sensing, snre, statistical analysis, university of michigan

ANN ARBOR — Strictly protected areas such as national parks and biological reserves have been more effective at reducing deforestation in the Amazon rainforest than protected zones that allow for controlled removal of trees and other natural resources.

In addition, protected areas established primarily to safeguard the rights and livelihoods of indigenous people performed especially well in places where deforestation pressures are high, two University of Michigan researchers and their colleagues determined. (more…)

Woolly Mammoth Extinction Has Lessons for Modern Climate Change

By Guest PostJune 13, 2012Environment, Naturealaska, ancient dna, bering strait, beringia, blaire van valkenburgh, climate change, climate change data, climate warming, database, dave beilman, demise of mammoths, elephantidae family, extinction, flintstonian behemoths, fossils, glen macdonald, human settlements, konstantine kremenetski, last ice age, mammoth populations, mammoth remains, marshy peatlands, paleoclimate data, paleolithic archaeological sites, radiocarbon dating, robert wayne, Siberia, siberian forest, ucla, woolly mammoth, younger dryas, yukon

Although humans and woolly mammoths co-existed for millennia, the shaggy giants disappeared from the globe between 4,000 and 10,000 years ago, and scientists couldn’t explain until recently exactly how the Flintstonian behemoths went extinct.

In a paper published June 12 in the journal Nature Communications, UCLA researchers and colleagues reveal that not long after the last ice age, the last woolly mammoths succumbed to a lethal combination of climate warming, encroaching humans and habitat change — the same threats facing many species today. (more…)

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Protected areas successfully prevent deforestation in Amazon rainforest

Woolly Mammoth Extinction Has Lessons for Modern Climate Change