中国生态农业学报
中國生態農業學報
중국생태농업학보
CHINESE JOURNAL OF ECO-AGRICULTURE
2010年
2期
422-427
,共6页
露天煤矿%土地复垦%生态承载力%生态系统弹性力%资源环境承载力%生态系统压力度
露天煤礦%土地複墾%生態承載力%生態繫統彈性力%資源環境承載力%生態繫統壓力度
로천매광%토지복은%생태승재력%생태계통탄성력%자원배경승재력%생태계통압력도
Opencast coal mine%Land reclamation%Ecological carrying capacity%Ecosystem resilience%Resources and environment carrying capacity%Ecosystem stress
露天矿生态承载力的变化与矿区的污染控制、土地复垦与生态重建措施密切相关.本文根据矿区生态承载力内涵及层次特点, 从生态系统弹性力、资源环境承载力及生态系统压力度3个方面提出对其进行量化的研究方法.结合高吉喜提出的生态承载力评价方法, 构建了较完整的评价指标体系, 利用AHP法求得各指标权重值, 对矿区生态承载力状况进行静态和动态评价.研究结果表明: 平朔安太堡矿区2007年的生态系统弹性力为46.836, 中等稳定; 资源环境承载力47.127, 中等承载; 生态系统压力度为1.396, 承载超负荷.从动态变化趋势看, 平朔安太堡矿区生态系统弹性力波动较强烈, 说明矿区生态系统稳定性差, 具有明显的脆弱特性; 生态系统压力指数的变化说明, 1999年前生态系统的压力对矿区生态系统弹性力和资源环境承载力影响较大, 而1999年后影响逐渐减弱, 矿区1987~2007年生态系统弹性力和资源环境承载力变化趋势相同; 1997年后生态弹性力开始上升, 资源环境承载力在1999年后也处于明显上升趋势.
露天礦生態承載力的變化與礦區的汙染控製、土地複墾與生態重建措施密切相關.本文根據礦區生態承載力內涵及層次特點, 從生態繫統彈性力、資源環境承載力及生態繫統壓力度3箇方麵提齣對其進行量化的研究方法.結閤高吉喜提齣的生態承載力評價方法, 構建瞭較完整的評價指標體繫, 利用AHP法求得各指標權重值, 對礦區生態承載力狀況進行靜態和動態評價.研究結果錶明: 平朔安太堡礦區2007年的生態繫統彈性力為46.836, 中等穩定; 資源環境承載力47.127, 中等承載; 生態繫統壓力度為1.396, 承載超負荷.從動態變化趨勢看, 平朔安太堡礦區生態繫統彈性力波動較彊烈, 說明礦區生態繫統穩定性差, 具有明顯的脆弱特性; 生態繫統壓力指數的變化說明, 1999年前生態繫統的壓力對礦區生態繫統彈性力和資源環境承載力影響較大, 而1999年後影響逐漸減弱, 礦區1987~2007年生態繫統彈性力和資源環境承載力變化趨勢相同; 1997年後生態彈性力開始上升, 資源環境承載力在1999年後也處于明顯上升趨勢.
로천광생태승재력적변화여광구적오염공제、토지복은여생태중건조시밀절상관.본문근거광구생태승재력내함급층차특점, 종생태계통탄성력、자원배경승재력급생태계통압력도3개방면제출대기진행양화적연구방법.결합고길희제출적생태승재력평개방법, 구건료교완정적평개지표체계, 이용AHP법구득각지표권중치, 대광구생태승재력상황진행정태화동태평개.연구결과표명: 평삭안태보광구2007년적생태계통탄성력위46.836, 중등은정; 자원배경승재력47.127, 중등승재; 생태계통압력도위1.396, 승재초부하.종동태변화추세간, 평삭안태보광구생태계통탄성력파동교강렬, 설명광구생태계통은정성차, 구유명현적취약특성; 생태계통압력지수적변화설명, 1999년전생태계통적압력대광구생태계통탄성력화자원배경승재력영향교대, 이1999년후영향축점감약, 광구1987~2007년생태계통탄성력화자원배경승재력변화추세상동; 1997년후생태탄성력개시상승, 자원배경승재력재1999년후야처우명현상승추세.
Change in Ecological Carrying Capacity (ECC) in open coal mines is closely related with pollution control, land reclamation and ecology rehabilitation measures. Based on connotation and hierarchical characteristics of ecological carrying capabilities of mines (MAECC), a quantified assessment method of MAECC involving ecosystem resilience, resource and environment carrying capacity, and ecosystem stress is put forward. The unified ecological carrying capacity appraisal method proposed by Gao Jixi, combined with an established index assessment system with the index weight decided by AHP, was used for static and dynamic appraisal of the MAECC. The ecosystem resilience of Antaibao Opencast Mine ecosystem in Pingshuo is 46.836 for 2007 - which is described as moderately stable. Environment carrying capability is 47.127 - which is medium load bearing. The ecosystem stress is 1.396 - which is excess load bearing. Based on the change dynamics, there is a drastic change in ecosystem resilience. This shows that the stability of the ecosystem in mining areas is weak with obvious frail characteristics. The change in ecosystem stress index implies a greater impact of ecosystem stress on the resilience of the ecosystem and the carrying capacity of mine area resource and environment before 1999. This impact has gradually weakened since 1999. This conclusion is also true for the trend of ecosystem resilience, resource and environment carrying capacity of mining area for 1987~2007. The resilience of the ecosystem began rising after 1997 along with a significant increase in the carrying capacity of the resources and the environment after 1999.