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Snapshots

  1. Floodplain backswamp

    Snapshot Title: Floodplain backswamp
    Taken by: Chris Fastie

    Image: From Cabin Bluff
    Image Owner: Chris Fastie



    Description:

    At the outer edges of the Tanana River floodplain, surfaces abandoned by river channels 1000-5000 years ago support muskeg of black spruce (Picea mariana) on permafrost dominated soils. These forests...



  2. Early successional chronosequence

    Snapshot Title: Early successional chronosequence
    Taken by: Chris Fastie

    Image: From Cabin Bluff
    Image Owner: Chris Fastie



    Description:

    Newly deposited silt bars (top) are colonized within a decade by horsetails and willow (center), and within a few decades by alder (left).



  3. Successional  chronosequence

    Snapshot Title: Successional chronosequence
    Taken by: Chris Fastie

    Image: From Cabin Bluff
    Image Owner: Chris Fastie



    Description:

    River terraces deposited at different times support young alder (ca. 20 years old, front), young white spruce (ca. 100 years old, middle), and mature white spruce (ca. 200 years old, top).