Open Government Program

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Search a listing of Government of Alberta open datasets and publications.

25 results

Tags: aspen defoliators

Views: 106
Updated

June 4, 2025

Description

Since 1998, Alberta has carried out annual aerial overview surveys to record the location and severity of disturbances caused by forest health damage agents on forested lands. These surveys are a...


Views: 50
Updated

November 22, 2024

Description

Since 1998, Alberta has carried out annual aerial overview surveys to record the location and severity of disturbances caused by forest health damage agents on forested lands. These surveys are a...


Views: 1619
Updated

November 22, 2024

Description

Maps showing areas of the province in which forest damage has occurred due to various aspen defoliators. Maps are generally released annually and are based on the most current information...


Views: 47
Updated

January 8, 2024

Description

Since 1998, Alberta has carried out annual aerial overview surveys to record the location and severity of disturbances caused by forest health damage agents on forested lands. These surveys are a...


Views: 43
Updated

June 1, 2023

Description

Since 1998, Alberta has carried out annual aerial overview surveys to record the location and severity of disturbances caused by forest health damage agents on forested lands. These surveys are a...


Views: 46
Updated

December 10, 2021

Description

Since 1998, Alberta has carried out annual aerial overview surveys to record the location and severity of disturbances caused by forest health damage agents on forested lands. These surveys are a...


Views: 40
Updated

January 6, 2021

Description

Since 1998, Alberta has carried out annual aerial overview surveys to record the location and severity of disturbances caused by forest health damage agents on forested lands. These surveys are a...


Views: 37
Updated

November 18, 2019

Description

Since 1998, Alberta has carried out annual aerial overview surveys to record the location and severity of disturbances caused by forest health damage agents on forested lands. These surveys are a...


Views: 25
Updated

May 2, 2018

Description

Since 1998, Alberta has carried out annual aerial overview surveys to record the location and severity of disturbances caused by forest health damage agents on forested lands. These surveys are a...


Views: 543
Updated

October 1, 2017

Description

Provides annual facts and statistics about aspen defoliators and the areas affected by aspen defoliation in Alberta.