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1水生生物概况及重要性青海省地处青藏高原东北部,青海省位于东经89°35′~103°04′,北纬31°39′~39°19′之间,东西长约1100km,南北宽近820km,总面积约72.12×104km2,居全国第四位。有我国最大的自然保护区三江源自然保护区,是长江、黄河、澜沧江的发源地。全省四大流域,黄河流域、长江流域、澜沧江流域、内陆河流域。内陆河流域又包括祁连山黑河水系及哈拉湖水系、柴达木盆地水系、青海湖水系、可可西里
1 Overview and Importance of Aquatic Organisms Qinghai Province is located in the northeast of the Qinghai-Tibet Plateau. Qinghai is located between 89 ° 35 ’~ 103 ° 04’ east longitude and 31 ° 39 ’~ 39 ° 19’ north latitude. Nearly 820km, the total area of about 72.12 × 104km2, ranking fourth in the country. There is Sanjiangyuan Nature Reserve, the largest nature reserve in China and the birthplace of the Yangtze River, the Yellow River and the Lancang River. The four major drainage basins in the province, the Yellow River Basin, the Yangtze River valley, the Lancang River basin, the inland river basin. The inland river basin also includes the Heihe River system in the Qilian Mountains and the Hala Lake water system, the Qaidam Basin water system, the Qinghai Lake system, the Hoh Xil