森林減少・劣化の影響を受けやすい住民の特徴の6村間比較 : カンボジアでの薪炭材・非木材林産物採取の事例  [in Japanese] Comparison among Six Villages of the Characteristics of Residents Prone to be Affected by Deforestation and Forest Degradation : A Case Study of Fuelwood and Non-timber Forest Product Collection in Cambodia  [in Japanese]

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Abstract

カンボジアの熱帯林は,多くの住民の生計維持に不可欠な薪炭材や非木材林産物(NTFP)の供給源である一方,企業や住民による農地転用や伐採等で急減している。本研究は,カンボジア王国コンポントム州東部3郡にまたがる6村で,薪炭材とNTFPの採取への5年間の森林減少・劣化の影響を受けやすい住民の特徴を,村間比較を通じて明らかにした。森林減少の把握には衛星画像解析を,影響を受けやすい住民の特徴のデータ収集には関係省庁が国勢調査等で用いる調査項目を援用した質問紙調査を行った。6村間の比較分析の結果,村周辺の植生の残存状況によって,薪炭材採取への影響度合いに差が見られた。一方,NTFP採取は,村の周囲10km圏内の森林が皆伐,または樹脂や果実を供給する樹木が択伐されたことにより,NTFP採取・販売業を損失した世帯はとくに影響を認識しやすかった。こうした情報や評価手法は州の土地利用計画策定や大規模ゴム園開発の住民への影響評価にも活用できる。

Cambodian residents in rural areas often depend on forests for their livelihoods, particularly for collecting fuelwood and non-timber forest products (NTFPs). However, many forests are being diminished because of timber extraction and conversion to agricultural lands. Our objective was to identify the characteristics, in terms of fuelwood and NTFP collecting, of households that were prone to be affected by deforestation and forest degradation within the last 5 years. We performed a comparative analysis of six sample villages across three districts in Kampong Thom Province. Using satellite image analysis and a household questionnaire, we found that households were affected differently depending on fuelwood availability around their villages. Households that were notably affected by deforestation and forest degradation were those that could not continue collecting NTFPs as one of their main livelihood activities because forest conversion occurred within a 10-km radius of their village and/or because of selective cutting of trees that provide NTFPs such as resin and fruit. These findings and assessment methods are useful for provincial land use planning and environmental and social assessments of the impact of large-scale development on rural residents.

Journal

  • Journal of Forest Economics

    Journal of Forest Economics 61(3), 24-34, 2015

    The Japanese Forest Economic Society

Codes

  • NII Article ID (NAID)
    110010010618
  • NII NACSIS-CAT ID (NCID)
    AN00330523
  • Text Lang
    JPN
  • ISSN
    0285-1598
  • NDL Article ID
    026858829
  • NDL Call No.
    Z18-449
  • Data Source
    NDL  NII-ELS  J-STAGE 
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