Method on Distinguishing Permafrost and Talik Regions in the Great Khingan Mountains by Analyzing the Characteristics of Specific Plants

Abstract:

In the fieldwork in the Great Khingan Mountains, it is practical and easy to distinguish permafrost region or talik region by analyzing the characteristics of the plants growing on them. Generally speaking, permafrost there tends to degenerate from south to north, but there are some individual places where remind original ecology of permafrost. After permafrost degenerate into the talik region, the condition of plant growth has changed. We can distinguish permafrost and talik region by the difference of plants growing status there. Some common species that specifically grow in permafrost or talik region have also been listed and introduced in this paper. Specifically, plants growing in permafrost region include larix gmelini, birch, vaccinium uliginosum, ledum palustre, vaccinium vitis-idaea, bilberry, pinus sylvestnis var. mongolica litv, low birch thicket, adina racemosa and so on. Meanwhile the plants live in talik region include peridium aquilinum, xylosma racemosum, daylily, milkvetch. The list of plants can be used to distinguish permafrost region and talik in the field. It is crucial for constructions to recognize if the construction area is permafrost or talik region. The change of talik has its two sides to constructions. On the upside, it can increase groundwater storage, and we can regard the future projects as thawing projects. On the downside, existing projects would arise thawing settlement.

• Periodical: Advanced Materials Research (Volumes 550-553)
• Pages: 2546-2550
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.550-553.2546
• Online since: July 2012
• Authors: Wei Wei Guo, Shao Min Du, Yong Quan Sun, Di Wang
• Keywords: Characteristics of Plant Growth, Evolution of Permafrost Region, Larix Gmelini, Permafrost Region, Talik Region

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