Revision Note: Please note that this dataset has been revised and is available from the Land Information Ontario (LIO) Warehouse.
Represents the mapped events where forest fungal, bacterial and viral pathogens have caused damage by reducing growth rates, tree vigor or have caused tree mortality.
Only the outer perimeter of the damage events are generally mapped e.g. no distinction between smaller areas within that were unaffected. Examples of forest diseases include White Pine Blister Rust, Armillaria Root Rot etc.
Supplementary look-up table descriptions are available in the Data Description document, which is available for download from the additional documentation section. This layer is part of what was known as the OMNR Non-Fundamental Dataset.
Additional Metadata: http://www.mnr.gov.on.ca/en/Business/Forests/2ColumnSubPage/STEL02_166920.html
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