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A Research on the Secondary Community Character and the Ecosystem Rehabilitation of the Alpine Meadows Along the Qinghai-Tibet Highway
Author(s): 
Pages: 156-159
Year: Issue:  2
Journal: ACTA AGRESTIA SINICA

Keyword:  次生群落公路修建影响生态修复高寒草甸;
Abstract: 研究西藏自治区那曲地区青藏公路两侧的次生恢复植物群落特征及高寒草甸的生态修复.结果表明:在沿线两侧形成的次生群落中没有特有的建群种,大多数是耐瘠薄的禾草和杂类草;在草甸次生恢复的过程中,丰富度指数、均匀度指数和多样性指数的变化趋势基本一致;在适宜的自然条件下,被破坏的高寒草甸具有一定的自我恢复能力;今后应遵循自然客观规律,对已破坏的草甸,尽量避免进一步的干扰,使其自然恢复.
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