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	The second investigation of Lake Puma Yum Co located in the Southern Tibetan Plateau, China
	Murakami T. ; Terai H. ; Yoshiyama Y. ; Tezuka T. ; Zhu L. ; Matsunaka T. ; Nishimura M.
	2007
关键词	alpine lake Lake Puma Yum Co primary production Tibetan Plateau water balance water
英文摘要	Limnological features of Lake Puma Yum Co, a typical alpine take located at the altitude of 5030m in the Tibetan Plateau, China, are described based on the findings of the second expedition in September 2004. The take surface is about 280km(2) and maximal depth is 65 m. Total inflow just after the rainy season was estimated to be about 860000m(3) day(-1), and the take water was drained from a newly excavated channel at a rate of 960000m(3) day(-1). We may have to expect undesirable lowering of the water level by this new drainage, especially in the dry season. Thermocline developed from 20 to 30m depth, and the euphotic zone reached the 50m depth. Dissolved oxygen in surface water was supersaturated as in productive lakes, although there were no large point and nonpoint sources of nutrient in the catchment. Vertical distribution of phytoplankton biomass and primary production suggested the presence of photoinhibition. What should be noted about the flora and fauna is that a Chara zone and a shell zone were distributed at about 30 or 40 m of depth.
出处	Limnology
卷	8
期	3
页	331-335
收录类别	SCI
语种	英语
ISSN号	1439-8621
内容类型	SCI/SSCI论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/23258]
专题	地理科学与资源研究所_历年回溯文献
推荐引用方式 GB/T 7714	Murakami T.,Terai H.,Yoshiyama Y.,et al. The second investigation of Lake Puma Yum Co located in the Southern Tibetan Plateau, China. 2007.

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