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Views: 1210
Updated
December 15, 2021
Description
Map showing the ratio of currently-attacked trees (live, green-needled trees or green trees) to previously-attacked (dead, red-needled trees or red trees) at each survey site.
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Views: 914
Updated
December 9, 2021
Description
Maps showing areas of the province in which forest damage has occurred due to the spruce beetle. Forest damage maps are generally released annually and are based on the most current information...
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Views: 216
Updated
September 21, 2020
Description
Map showing the attack density per square kilometer of trees affected by mountain pine beetles.
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Views: 1
Updated
May 1, 2020
Description
The main objectives of this manual are: to ensure that aerial surveys carried out on forested lands in Alberta adequately record damage caused by a wide spectrum of damaging agents; to ensure that...
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Views: 617
Updated
October 24, 2019
Description
Maps showing areas of the Rocky Mountain House Forest Area in which forest damage has occurred due to the mountain pine beetle. Forest damage maps are based on the most current information...
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Views: 327
Updated
October 24, 2019
Description
Maps showing areas of the Lac La Biche Forest Area in which forest damage has occurred due to the mountain pine beetle. Forest damage maps are based on the most current information available at...
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Views: 302
Updated
January 1, 2016
Description
Provides annual updates on the spread of the mountain pine beetle in Alberta. In North America, The mountain pine beetle is the most destructive native insect of mature pine, and continues to...
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Views: 712
Updated
January 1, 2016
Description
Maps showing areas of the Rocky Mountain House Forest Area in which forest damage has occurred due to various abiotic factors, such as drought, heat, flooding, hail, or lightning. Forest damage...
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Views: 234
Updated
January 1, 2015
Description
Maps showing areas of the Upper Athabasca management area in which forest damage has occurred due to various aspen defoliators. Forest damage maps are based on the most current information...