By Herp News
The climate zones boreal forests evolved in are moving north, and trees can’t keep up. Key species in North America’s boreal forests, like black spruce, are disappearing from areas where they once thrived. According to Dennis Murray, a professor of ecology at Trent University in Ontario, the impacts of this tree loss are being felt across the entire ecosystem. “You lose spruce and you lose everything that lives in spruce and that is basically everything in the boreal forest,” Murray recently told Yale 360. “We’re seeing the same phenomena that we’ve seen with moose with lynx and snowshoe hares. And caribou are going belly up very, very fast. Their ranges are receding northward rapidly.” To be sure, the boreal, also known as taiga, is a sprawling and complex ecosystem, and while it may be retreating in some places, it is thriving, or at least surviving, in others. Still, the overall trend is so alarming that scientists are making increasingly dire projections about the boreal’s future as global temperatures continue to rise. A team of forest experts from the Austria-based International Institute for Applied Systems Analysis (IIASA), Natural Resources Canada and the University of Helsinki in Finland published an article in August in the journal Science that found most boreal forests have so far proven capable of coping with current disturbances, but they face a variety of unprecedented threats to their health due to climate change. “Boreal forests have the potential to hit a tipping point this century,” IIASA researcher Anatoly…
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