IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2013  > Vol10 No.4
Geomorphic-centered Classification of Wetlands on the Qinghai-Tibet Plateau, Western China
Jay GAO; LI Xi-lai; Gary BRIERLEY; Alan CHEUNGYANG Yuan-wu
Corresponding AuthorGAO Jay
Source PublicationJournal of Mountain Science
AbstractIn this paper a geomorphic-centered system was proposed for classifying the wetlands on the Qinghai-Tibet Plateau in western China, where the flora comprises primarily grasses. Although the geomorphic properties (e.g., elevation and morphology) of wetlands form the primary criteria of classification, this system also takes hydrological processes into implicit consideration. It represents an improvement over the hydrogeomorphic perspective as the relative importance of the two components (wetness and landform) of wetlands is clearly differentiated. This geomorphic-centered perspective yields insights into the hydrogeomorphic dynamics of plateau wetlands while indicates their vulnerability to change and degradation indirectly. According to this geomorphic-centered perspective, all plateau wetlands fall into one of the seven types of alpine, piedmont, valley, terrace, floodplain, lacustrine, and riverine in three elevational categories of upland, midland, and lowland. Upland (alpine and piedmont) wetlands with the steepest topography are the most sensitive to change whereas midland (floodplain, terrace and valley) wetlands are less vulnerable to degradation owing to a high water reserve except terrace wetlands. They have a dry surface caused by infrequent hydrological replenishment owing to their higher elevation than the channel. Low lying (lacustrine and riverine) wetlands are the most resilient. The geomorphic-centered perspective developed in this paper provides a framework for improving recognition and management of wetlands on the Plateau. Resilient wetlands can be grazed more intensively without the risk of degradation. Fragile and vulnerable wetlands require careful management to avoid degradation.
KeywordPlateau Wetlands Geomorphic Classification Wetland Vulnerability Qinghai-tibet Plateau
Document Type期刊论文
CollectionJournal of Mountain Science_Journal of Mountain Science-2013_Vol10 No.4
Recommended Citation
GB/T 7714
Jay GAO,LI Xi-lai,Gary BRIERLEY,et al. Geomorphic-centered Classification of Wetlands on the Qinghai-Tibet Plateau, Western China[J]. Journal of Mountain Science,2013,10(4):632-642.
APA Jay GAO,LI Xi-lai,Gary BRIERLEY,&Alan CHEUNGYANG Yuan-wu.(2013).Geomorphic-centered Classification of Wetlands on the Qinghai-Tibet Plateau, Western China.Journal of Mountain Science,10(4),632-642.
MLA Jay GAO,et al."Geomorphic-centered Classification of Wetlands on the Qinghai-Tibet Plateau, Western China".Journal of Mountain Science 10.4(2013):632-642.
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