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Increasing Vegetation on River Bars at Teklanika River: 1976-2005

A photo pair showing Increasing Vegetation on River Bars at Teklanika River: 1976-2005

These photos show a stretch of the Teklanika R. below the Rest Stop on the Park Road, looking south at the confluence with Big Creek - the zigzag drainage coming in from the top right (NW) of the photos. The most noteworthy change visible in this pair of photos is the conspicuous development of tree and shrub vegetation (composed of willows and young poplar trees) on gravel bars of both the Teklanika R. and Big Cr. Large areas that were open gavels in 1976 had begun supporting stands of large shrubs and young trees by 2005. This reflects the process of floodplain succession in which the river deposits large volumes of glacially-derived sand and gravel, which is then colonized by a host of different plant communities, starting with scattered herbs and grasses and proceeding through a shrub stage to forests of poplar and white spruce.

Original year: 1976; Rephoto year: 2005

U.S. National Park Service

Photos and photo pairs are pre-approved for educational use ONLY. To use them in educational products, credit them the same way as they are credited on the website, Photo Credit: Original photographer: Fred Dean; Rephoto photographer: Carl Roland. For any other use beyond education, contact Denali National Park and Preserve for additional copyright information on specific images of interest.

Original photographer: Fred Dean; Rephoto photographer: Carl Roland

Restrictions apply on use and/or reproduction

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Denali National Park and Preserve, Code: DENA

Teklanika River, Alaska Range mountains, Alaska
Latitude: 63.702192, Longitude: -149.56801

Denali National Park and Preserve, Alaska
Latitude: 63.3182792663574, Longitude: -150.602905273438

Denali Exploring Landcover Change Through Repeat Photography

2016/03/03

Public Can View

Person: Digital Manager
Organization: US National Park Service
Address: Denali National Park and Preserve, P.O. Box 9, Denali Park, AK 99755

Thursday, June 6, 2024 4:53:07 PM

Thursday, June 6, 2024 4:53:07 PM

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Scenic , Historic , Monitoring