Marginal response curves for each climatic variable.

<p>Response curves depicting the probability of suitable habitat related to each climatic variable for <i>Populus fremontii</i>, <i>Salix gooddingii</i>, <i>Salix exigua</i> and <i>Tamarix</i>. Units of precipitation variables are measured in millimeters (mm), and temperature variables are degrees Celsius times 10 (°C*10). See <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0107037#pone-0107037-t001" target="_blank">Table 1</a> for full variable names.