Monday, July 21, 2014

Growth Spurts: The Big Get Bigger, Whatever the Weather

The size and age of plants has more of an impact on their productivity than temperature and precipitation, according to a landmark study by University of Arizona researchers.

A fundamental assumption in most ecosystem studies is that temperature and precipitation directly influence how fast plants can take up and use carbon dioxide. Warm and wet environments allow plant metabolism to run fast, while cold and drier environments slow down metabolism and lead to lower biomass production in ecosystems.

This assumption is mostly true, as countless experiments have demonstrated that temperature and water control how fast plants can grow. But when applied to an entire ecosystems, the assumption appears to be flawed.

continued in Growth Spurts

Growth Spurts
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Artwork: Pine Sapling Sprouting

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