6MCGLONE C M, SPRINGER J D, LAUGHLIN D C. Can pine forest restoration promote a diverse and abundant understory and simultaneously resist nonnative invasion? [J]. Forest Ecology and Management, 2009, 258(12): 2 638-2646.
7GUAN Bo, YU Junbao, CAO Di, et al. The ecological restoration of heavily degraded saline wetland in the Yellow River delta[J]. Clean-soil, Air, Water,2013,41(7): 690-696.
8LINDENMAYER D B, LAURANCE W F, FRANKLIN J F, et al. New policies for old trees: averting a global crisis in a keystone ecological structure[J]. Conservation Letters, 2014,7(1): 61-69.
9BERLAND A, MANSON S. Patterns in residential urban forest structure along a synthetic urbanization gradiem[J]. Annals of the Association of American Geographers, 2013, 103(4): 749-763.
10LI Minghui, PENG Shaolin, SHEN Weijun, et al. Landscape ecology and restoration of degraded ecosystems[J]. Acta Ecologica Sinica, 2002, 23(8): 1621-1628.
