一、野生动物资源丰富青藏铁路格尔木—拉萨段自北向南跨越青藏高原腹地,经过戈壁荒漠、山地荒漠、高寒草原、高寒草甸、沼泽湿地、河谷灌丛等不同的生态系统;穿越可可西里国家级自然保护区、三江源国家级自然保护区,紧临西藏色林错黑颈鹤自然保护区,野生动物资源十分丰富。青藏铁路格尔木至拉萨段可划分为 1. Rich wildlife resources The Golmud-Lhasa section of the Qinghai-Tibet Railway crosses the hinterland of the Qinghai-Tibet Plateau from north to south, passes through the Gobi desert, mountainous desert, alpine grassland, alpine meadow, swamp wetland, river valley shrub and other different ecosystems; travels through the national level of Kekexili Nature reserves and Sanjiangyuan National Nature Reserve are close to the Black-necked Crane Nature Reserve in Tibet. The wildlife resources are abundant. The Golmud-Lhasa section of the Qinghai-Tibet Railway can be divided into