| dc.date |
2006-11-08T14:48:18Z |
|
| dc.date |
2006-11-08T14:48:18Z |
|
| dc.date |
1975 |
|
| dc.date.accessioned |
2013-10-16T07:41:42Z |
|
| dc.date.available |
2013-10-16T07:41:42Z |
|
| dc.date.issued |
2013-10-16 |
|
| dc.identifier |
http://hdl.handle.net/1957/3329 |
|
| dc.identifier.uri |
http://koha.mediu.edu.my:8181/xmlui/handle/1957/3329 |
|
| dc.description |
The mountain pine beetle, Dendroctonus ponderosae Hopk., infestation in
Yellowstone National Park advanced north and eastward in 1974. New
infestation centers were located along the east shore of Yellowstone
Lake and south of the Promontory to the Park's southern boundary.
Ground surveys indicated an average of 2.9 infested trees per acre.
Average diameter of attacked trees was 11.0 inches. A decrease in
number of infested trees continues to occur in older portions of the
infestation in the southwestern corner of the Park. The outbreak has
been declining since 1971 and the 1974 survey indicates a continued
decline. |
|
| dc.language |
en_US |
|
| dc.publisher |
Missoula, MT. : Forest Environmental Protection, USDA, Forest Service, Northern Region, State & Private Forestry |
|
| dc.relation |
Report (United States. Forest Service. Northern Region) |
|
| dc.relation |
no. 75-6 |
|
| dc.relation |
Forest environmental protection |
|
| dc.title |
Status of mountain pine beetle infestations, Yellowstone National Park, Wyoming, 1974 |
|
| dc.type |
Technical Report |
|