Forest Damage Survey for 1989 to 2010 for the North Pacific Landscape Conservation Cooperative, southern Alaska (a)

Jun 14, 2012 (Last modified Jun 18, 2012)
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Description:
This data represents areas of forest damage due to insect infestation,
fire, flood, landslides, windthrow and other mortalities. The information was
collected by aerial surveys by both the USFS and ADNR, Div. of Forestry in
cooperation with the Forest Health Protection (FHP) project.

Surveys are conducted in July and August so that pest "signatures" may
be obtained during the optimal period for symptom development of ocular estimation.
The aerial survey is coordinated with known pest outbreaks so that the maximum extent
of recent bark beetle damage (fading trees) and insect defoliation (discoloration,
foliage loss) patterns may be determined. Aerial survey flights are termed as
"local" if they can be completed within 1 day from the survey base and "regional'
if more than 1 day is required to complete the survey reconnaissance.
Data Provided By:
Alaska Department of Natural Resources, Information Resource Management
Content date:
2001
Citation:
http://dnr.alaska.gov/SpatialUtility/SUC?cmd=extract&layerid=1506

Contact Organization:
AK Department of Natural Resources - Division of Forestry
Contact Person(s):
Use Constraints:
It is not recommended the data be used at a scale larger
than 1:250000.

Any hardcopies or published datasets utilizing these data sets shall
clearly indicate their source. If the user has modified the data in any
way they are obligated to describe the types of modifications they
have performed. User specifically agrees not to misrepresent
these data sets, nor to imply that changes they made were
approved by Alaska Department of Natural Resources.
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Dataset Type:
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Tags:
aerial, spruce beetle, forest, biota, survey, environment, insect, disease, damage, pest
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Conservation Biology Institute

The Conservation Biology Institute (CBI) provides scientific expertise to support the conservation and recovery of biological diversity in its natural state through applied research, education, planning, and community service.