Long-term dynamics of water and carbon in semi-arid ecosystems: a gradient analysis in the Patagonian steppe

  title={Long-term dynamics of water and carbon in semi-arid ecosystems: a gradient analysis in the Patagonian steppe},
  author={Jos{\'e} M. Paruelo and Osvaldo E. Sala and Adriana Beltran},
  journal={Plant Ecology},
We used a soil water simulation model and remotely sensed data to study the long-term dynamics of transpiration, evaporation, drainage and net primary production across a precipitation gradient in Northwestern Patagonia (Argentina). The proportion of precipitation transpired, the precipitation use efficiency and the transpiration use efficiency were constant across the gradient that covered a range of 150 to 600 mm. The proportion of water evaporated was higher than the proportion drained at… CONTINUE READING
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