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Mechanisms of Forest Restoration in Landslide Treatment Areas

Author

Listed:
  • Yi-Chang Chen

    (Department of Water Resources Engineering and Conservation, Feng Chia University, Taichung 407, Taiwan)

  • Chen-Fa Wu

    (Department of Horticulture, National Chung Hsing University, Taichung 402, Taiwan)

  • Shin-Hwei Lin

    (Department of Soil and Water Conservation, National Chung Hsing University, Taichung 402, Taiwan)

Abstract

Reforestation after a landslide facilitates competition between herbaceous plants and arborous plants. Tangible variations in grassland areas in regions susceptible to landslides can only be found within collections of trees. A landslide area in the Sule Watershed was investigated. Relative illuminance results reveal that the Rhodes grass ( Chloris gayana Kunth) biomass in this landslide area increases with relative illuminance. A comparison of regions with tree islands indicates that the size of the grassland areas decreased and the number of tree islands increased during 2005–2010. Furthermore, a germination experiment in a soil-seed bank indicates that more woody plant species exist around the tree island than in other areas in the landslide region. Trees in a tree island change the micro-climate of the landslide region, and they gather as many nutrients and as much moisture as possible, enabling vegetation to expand around the tree island. Additionally, the area with Rhodes grass and its biomass declined annually in the tree island region. Investigation results show that tree islands and soil-seed banks are suited to reforestation in landslide regions. The pioneering research will assist regional landslide management in Taiwan.

Suggested Citation

  • Yi-Chang Chen & Chen-Fa Wu & Shin-Hwei Lin, 2014. "Mechanisms of Forest Restoration in Landslide Treatment Areas," Sustainability, MDPI, vol. 6(10), pages 1-15, September.
    • Handle: RePEc:gam:jsusta:v:6:y:2014:i:10:p:6766-6780:d:40767
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    Cited by:

    1. Lowe, Ayesh & Kuruppuarachchi, Niluka & Silva, Pradeepa & Pushpakumara, Gamini & Suriyagoda, Lalith & Weerahewa, Jeevika, 2024. "Does human intervention modulate the above-ground carbon biomass of agroforestry systems? A study of homegardens in Jaffna peninsula, Sri Lanka," Agricultural Systems, Elsevier, vol. 215(C).
    2. Qianqian Wang & Dongchuan Wang & Yong Huang & Zhiheng Wang & Lihui Zhang & Qiaozhen Guo & Wei Chen & Wengang Chen & Mengqin Sang, 2015. "Landslide Susceptibility Mapping Based on Selected Optimal Combination of Landslide Predisposing Factors in a Large Catchment," Sustainability, MDPI, vol. 7(12), pages 1-17, December.
    3. Cory W. Whitney & Eike Luedeling & John R. S. Tabuti & Antonia Nyamukuru & Oliver Hensel & Jens Gebauer & Katja Kehlenbeck, 2018. "Crop diversity in homegardens of southwest Uganda and its importance for rural livelihoods," Agriculture and Human Values, Springer;The Agriculture, Food, & Human Values Society (AFHVS), vol. 35(2), pages 399-424, June.

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