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Windthrow Concepts

Endemic and Catastrophic
  • Endemic windthrow is caused by peak winds which recur every 1 to 3 years, causing more uprooting than breaking.
  • Catastrophic windthrow is caused by peak winds which recur infrequently and cause breakage.

In general, for windthrow risk assessment, focus management on endemic first.

 
Forest Service BC
 
Forest Renewal BC