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National Chung Hsing University Institutional Repository - NCHUIR > 農業暨自然資源學院 > 水土保持學系 > 依資料類型分類 > 期刊論文 >  Application of Markov-chain model for vegetation restoration assessment at landslide areas caused by a catastrophic earthquake in Central Taiwan

Please use this identifier to cite or link to this item: http://nchuir.lib.nchu.edu.tw/handle/309270000/130286

標題: Application of Markov-chain model for vegetation restoration assessment at landslide areas caused by a catastrophic earthquake in Central Taiwan
作者: Chuang, C.W.;Lin, C.Y.;Chien, C.H.;Chou, W.C.
日期: 2011
Issue Date: 2012-12-07 15:52:26 (UTC+8)
關連: Ecological Modelling, Volume 222, Issue 3, Page(s) 835-845.
摘要: The 921 earthquake caused a catastrophic disaster in Central Taiwan. Ten years have passed since the earthquake occurred. Vegetation succession is the basis for establishing a restoration reference which plays an important role in vegetation restoration at landslide sites. Generally, growth conditions for grass are easier and the growth rate is faster than that for trees. Therefore, grass can be considered a pioneer species or an important reference for the early vegetation succession stage. This is the reason why grass is required to be extracted from other land covers. Integrating remote sensing, geographic information system and image classification into vegetation succession models is very important. In this study, the Markov chain model was applied for vegetation restoration assessment and discussion. Chiufenershan and Ninety-nine peaks were selected as the study areas. Five SPOT satellite images are used for land cover mapping and vegetation restoration simulations. Four categories of land covers were extracted, including forest, grass, bare land and water, respectively. From the transitive probability matrix (derived from any two land covers), the results show that vegetation restoration at the Chiufenershan and Ninety-nine peaks landslide areas is ongoing, but that has been disturbed by natural disasters. (C) 2010 Elsevier B.V. All rights reserved.
Relation: Ecological Modelling
Appears in Collections:[依資料類型分類] 期刊論文
[依教師分類] 林昭遠
[依教師分類] 林昭遠

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