Global Drought Map (IMAGE)
Caption
The researchers collected information on drought-induced tree deaths from 33 individual studies performed around the globe, which included data on 475 species and over 760,000 individual trees in a variety of forest types. The green and yellow areas above represent global forest and woodland cover. Black dots indicate the mortality rates of all trees in the examined area, with the size proportional to the number of species reported. Red dots indicate pre-2009 mortality studies, while white dots indicate post-2009 studies. The blue-outlined ovals are broad regions described by post-2009 studies.
Credit
Figure by William Anderegg, Princeton Environmental Institute
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