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. 2015 May 14;6:7148. doi: 10.1038/ncomms8148

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Above-ground net primary production (ANPP) in treatments in which snowpack has been doubled (× 2, blue points and 95% confidence bands) and quadrupled (× 4, green points and 95% confidence bands) declined (P<0.001, linear regression, n=258) over time at equivalent rates as control plots.