• [2013-01-22] USDA studies confirm plant water demands shift with water availability
  + http://www.eurekalert.org/pub_releases/2013-01/uoa-pat012213.php + http://www.sciencedaily.com/releases/2013/01/130122143222.htm + http://www.nature.com/nature/journal/vaop/ncurrent/full/nature11836.html
  in Tietoukka Monitor > 2013 > 2013-04 with droughts plants water-use_efficiency
• [2013-07-10] Increase in forest water-use efficiency as atmospheric carbon dioxide concentrations rise
  + http://www.eurekalert.org/pub_releases/2013-07/haog-nhf071113.php + http://news.mongabay.com/2013/0711-forests-water-co2.html + http://www.eurekalert.org/pub_releases/2013-07/hu-eit070813.php + http://www.sciencedaily.com/releases/2013/07/130710141845.htm + http://news.harvard.edu/gazette/story/2013/07/efficiency-in-the-forest/ + http://www.eurekalert.org/pub_releases/2013-07/nsf-caa071613.php
  in Tietoukka Monitor > 2013 > 2013-28 with atmospheric_carbon_dioxide boreal_forests stomata temperate_forests water-use_efficiency

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