Open Government Program

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Search a listing of Government of Alberta open datasets and publications. Can’t find what you are looking for? Suggest a resource.

2 results

Tags: forest tent caterpillar forest health

Aerial overview survey : aspen defoliators

Views: 788
Updated

November 20, 2023

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...

Tags
aerial surveys aspen defoliator complex aspen defoliators aspen dieback aspen mortality aspen serpentine leafminer aspen tortrix aspen twoleaf tier forest health forest pest conditions forest pest surveys forest tent caterpillar

publications
PDF

Forest tent caterpillar (Malacosoma disstria Hübner) egg mass survey to forecast defoliation severity in the following year

Views: 119
Updated

January 1, 2007

Description

The objective of this document is to describe a sequential sampling procedure on using the number of current year egg bands of forest tent caterpillar to predict the defoliation profile in the...

Tags
defoliation egg mass surveys forest health forest tent caterpillar

publications
PDF