Pollen profiles from southeastern Alaska
Heusser CJ. 1952. Pollen profiles from southeastern Alaska. Ecological Monographs. 22(4):331-352
Seventeen peat sections were obtained from muskegs in the vicinity of Ketchikan, Wrangell, Petersburg, Sitka, and Juneau in Southeastern Alaska during the 1950 and 1951 field seasons. The samples were taken at decimeter intervals and studied macroscopically and later micro-analytically for their pollen content. Peat and pollen diagraxis have been constructed from which the postglacial forests, climate, and chronology have been interpreted. The study enlarges our knowledge of postglacial succession in the development of the Coast Forest. The nearest investigations of this nature were made 400 to 500 miles northward and southward. Southeastern Alaska is the 'panhandle'of the Territory, consisting of the islands and waterways of the Alexander Archipelago and the Coast Range of the mainland. Pleistocene glaciation has affected the entire region except possibly the higher peaks and has given rise to the present rugged topography. The last glaciation is correlated with the Mankato (Late Wisconsin) substage. The climate is cool and moist throughout the year and heavy snowfall occurs in the mountains in winter...
- Type
- Journal Article
- Authors
- Heusser, C
- Units
- GLBA , KLGO , SEAN , SITK
- Keywords
- Alexander Archipelago, Botany, Chronosequence, climate history, Community Ecology, Dating, floristics, Forests, Glaciation, Lodgepole Pine, Pleistocene, Pollen, Recession, Sediment, Sitka Spruce, Succession, Tephra, Vegetation, vegetation history, Western hemlock