論文

査読有り
2013年

Evaluation of Mangrove Biomass Changes due to Different Human Activities in Batam Island, Indonesia, Determined Using MODIS EVI and ASTER Data

People and Culture in Oceania
  • Takurou Furusawa
  • ,
  • Yukari Fuchigami
  • ,
  • Shigeo Kobayashi
  • ,
  • Makoto Yokota

29
開始ページ
1
終了ページ
16
記述言語
英語
掲載種別
研究論文(学術雑誌)
出版者・発行元
Japanese Society for Oceanic Studies

In Southeast Asia and the Pacific Islands, the previously substantial mangroves have been displaced by other land uses for economic purposes. It is still under debate whether or not the use of the mangrove, one of whose representative products is charcoal for the global market, for the livelihood of the local people is environmentally sustainable. The aim of this study was to examine the temporal changes in mangrove biomass due to charcoal production, land development, and eco-tourism in Batam Island, Indonesia, which has been undergoing rapid industrialization. The biomass change was analyzed based on the MODIS data (Moderate Resolution Imaging Spectroradiometer) EVI (Enhanced Vegetation Index) from 18 February 2000 to 25 June 2012 (data interval=16-day). The change in the mangrove cover area and causes of the change were interpreted on 9 ASTER (Advanced Spaceborne Thermal Emission and Reflection Radiometer) images taken between 2000 and 2012, as well as by field observations and interviews with local people. The long-term trend (i.e., from 2000 to 2012) suggested that the biomass was stable or slightly increased in the eco-tourism zone, whereas it was modestly decreased in zones being used for charcoal production. The main cause of the decrease was due to the occurrence of logging by the local people. A spectrum analysis in tandem with field observation detected two cycles, i.e., (1) yearly or more frequently, and (2) two-to-five-year interval, respectively. It was judged that either the logging for charcoal production or the land development has been higher than the sustainable rate, even though the recovery rate of the mangrove was high. The local people therefore needed to slow down the logging cycle so as to make charcoal production environmentally and economically sustainable.

リンク情報
CiNii Articles
http://ci.nii.ac.jp/naid/110009797487
CiNii Books
http://ci.nii.ac.jp/ncid/AA11503836
URL
http://dl.ndl.go.jp/info:ndljp/pid/10570500
URL
http://id.nii.ac.jp/1141/00139956/
ID情報
  • ISSN : 1349-5380
  • CiNii Articles ID : 110009797487
  • CiNii Books ID : AA11503836

エクスポート
BibTeX RIS