Humanity Responsible For Most Global Changes in Vegetation – Reports

Human-driven climate change is responsible for more than half the changes detected in the world’s vegetation, recently published studies show, while human activities account directly for about another third, reports Alex Kirby at the Climate News Network. The amount of vegetation in the world, and the way it is spread across the planet, has changed significantly in the last three decades, say the researchers, a team of geographers from the University of Zurich, Switzerland and colleagues from the Netherlands. While vegetation has increased in the northern hemisphere, it has declined south of the Equator, especially south of the Sahel, in Tanzania, Zimbabwe and other parts of central Africa. It has only recently become possible to quantify how far climate variability, human activity or a combination of the two are responsible for what is happening, with satellites recording how vegetation has altered during those decades. In the humid mid-latitudes, temperature is the largest factor influencing plant growth; in mainly dry areas, it is availability of water, and in high latitudes, the amount of solar radiation. And everywhere humans influence vegetation in myriad ways – and are influenced by it.

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Source Climate alters global vegetation.


About melharte

Mel (Mary Ellen) Harte is a biologist (PhD) and climate change educator. She co-authored the free online book, COOL THE EARTH, SAVE THE ECONOMY, available at www.CoolTheEarth.US, and writes the CLIMATE CHANGE THIS WEEK column at the HuffingtonPost. Living summers in the alpine Rockies, she is on the frontlines of watching what climate change can do. Her diagnostic digital photographs of wildflowers have appeared in numerous publications.
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1 Response to Humanity Responsible For Most Global Changes in Vegetation – Reports

  1. Most of us have pristine, perfect lawns… but our minds are disheveled and disorderly… and we neglect the well-being of the whole. 😉

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