From 2009 to 2011, the Canadian Prairies were subjected to exceptionally variable precipitation regimes, ranging between record drought and unprecedented flooding. Adjacent regions concurrently experienced droughts and floods, and individual areas transitioned rapidly from pluvial to drought...

Across western Canada, more frequent and severe droughts are expected to occur asa result of climate change. Forests are particularly vulnerable to drought as it oftenresults in mortality events even years following a moisture deficit. Similar events havebeen observed in Saskatchewan...