The author has identified the following significant results. Winter and summer moose range maps of three selected areas were produced (1:63,360 scale). The analytic approach is very similar to modified clustering. Preliminary results indicate that this method is not only more accurate but considerably less expensive than supervised classification techniques

Lent, P. C.

English

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https://ntrs.nasa.gov/search.jsp?R=19760013490 2020-03-22T15:24:35+00:00Z
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J ISubmi tted by:
Alaska Cooperative Wildlife Research Unit
	
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University of Alaska
Fairbanks, Alaska
	
"Made avaRable
 under NASA sponsorship
in the interest of early and wide dis.
samination of Earth Resources SurveyContract No.:
	 MAS5 -20915	 Program ififormatioh and without liaWlity
Investigation No. 22280 for any use made thereot."
Title: Use of LANDSAT imagery for wildlife habitat mapping in northeast
and eastcentral Alaska	 L  * Pte._ C -
Type II Progress Report No. 3, March 8, 1976
A. Problems:	 None
B. Accomplishments: Portions of scenes 1734-20471, 1408-20435, 1408-20430,
1407-20374, 1771-20513, 1771-20515, and 1422-20203 within game management
Unit 20 were analyzed. The same techniques previously used for analysis
of scenes 1029-20383 and 1408-20435, namely clustering followed by maximum
likelihood classification, were utilized. Full resolution LP maps
(approximately 1:18,500 scale) were produced and will be used for summer field
work. Total processing to date encompasses a composite total of about 4.3
entire scenes. This completes classification processing for this project.
The vegetation types emerging from the analysis of scenes 1029-20383 and 1408-
20435 (see Tables 1 and 2; Appendices I and II; Report No. 2) were evaluated
-as winter and summer range for moose. Class combination reduced habitat
categories to nine (Tables 1 and 2). Three high interest areas were selected
where Department of Fish acid Garry biologists have recently or are currently
involved with intensive moose range investigations. These areas are the Japan
hills, the Blair Lakes - Clear Creek Butte region of the Tanana Flats, and the
area south of the Alaska Highway between the Johnson and Little Gerstle Rivers.
Color maps products (1:63,360 scale) of these areas were produced. Each of the
habitat categories were portrayed a different color and se parate maps were
prepared for summer and winter ranges.
	 Selected geographic features such as
contours, streams, and major trails were superimposed on the color products for
geographical orientation. These products will be used and extensively evaluated
by Alaska Department of Fish and Game biologists. The scale selected will
permit direct comparison with habitat maps of these areas previously prepared
from aerial photography. Production of these map products at this time will
provide Alaska Department of Fish and Game biologists one more field season
to gain experience with this type of product, evaluate them critically, and
re-examine their own habitat interpretations. Thus, b y next Fall, they will
have a stronger experience basis for thematic interpretations and at that
time, final map products for the entire Game Management Unit will be produced.
Concurrently, Alaska Cooperative Wildlife Research Unit field crews will
obtain ground and aircraft reconnaissance data for definition of categorical
analyses recently completed on six additional scenes.
2Final thematic interpretations, preparation of final map products, and the
final report are schedule for completion next Fall. The project
should-be completed according to schedule in early 1977.
C. Significant Results: 	 Winter and summer moc ,-e range maps of three selected
area have been produced (1:63,360 scale). The analytic approach utilized is very
similar to that described by Fleming, Berkebile and Hotter (1975) as "modified
clustering". Preliminary indications are this method is not only more accurate
but considerably less expensive than "supervised" classification techniques.
D. Publications:	 None
E. Recommendations:	 None
F. Funds Expended:	 $31,000
G. Data Use:
N. Aircraft Data: None
i
Literature Cited:
Fleming, M.Q., J.S. Berkebile, and R. M. Hoffer. 1975. Computer-aided analysis
of LA14DSAT -1 MSS data: A comparison of three approaches, including a
"modified clustering" approach. LARS Information Note 072475, Purdue
Univ. 7pp.
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Use of LANDSAT imagery for wildlife habitat mapping in northeast and eastcentral Alaska

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