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39 results

Tags: forest pests

Views: 810
Updated

December 15, 2021

Description

The forest pest conditions are based on the most current information from various surveys and reports. Red trees are dead, red-needled trees that have been attacked by the mountain pine beetle.


Views: 705
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.


Views: 1224
Updated

December 15, 2021

Description

Updated every two years, this map delineates the mountain pine beetle management zones in the province, and identifies zones considered leading edge zones and inactive holding zones.


Views: 622
Updated

December 10, 2021

Description

The purpose of this directive is to protect Alberta's forests and economy from destructive forest pests that can be unknowingly introduced with shipments of imported coniferous and deciduous logs ...


Views: 587
Updated

March 4, 2021

Description

Map showing the density per square kilometer of trees affected by mountain pine beetles.


Views: 1327
Updated

March 4, 2021

Description

Map showing pine stands affected by the mountain pine beetles. The map displays all pine stands in Alberta, pine stands affected by mountain pine beetle to 2018, and new stands affected by MPB in ...


Views: 64
Updated

September 21, 2020

Description

Map showing the attack density per square kilometer of trees affected by mountain pine beetles.


Views: 2688
Updated

June 19, 2020

Description

Mortality assessments of mountain pine beetles are conducted annually between mid-May and mid-June to predict how successfully beetle populations may spread the upcoming year. The results of these ...


Views: 164
Updated

October 24, 2019

Description

The forest pest conditions are based on the most current information from various surveys and reports.


Views: 339
Updated

October 24, 2019

Description

The forest pest conditions are based on the most current information from various surveys and reports.