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  3. USDA Forest Service
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Ecological SubsectionsEcological Subsections of Southeast Alaska and Neighboring Regions of Canada

This geospatially explicit vector-based polygon dataset identifies 85 terrestrial ecological subsection delineations present in Southeast Alaska and the Tongass National Forest. Within each subsection one can expect to find a relatively consistent occurence and distribution of vegetation types. Due to the hydrologically-influenced geomorphology of Southeast Alaska specific key indicators of physiography, lithology, and surface geology were employed to systematically distinguish terrestrial ecosystems.

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ผู้ดูแล Barbara Schrader
Last Updated ธันวาคม 17, 2019, 10:29 (AKST)
สร้างแล้ว ธันวาคม 17, 2019, 10:29 (AKST)
สถานะ Complete