亚洲免费av电影一区二区三区,日韩爱爱视频,51精品视频一区二区三区,91视频爱爱,日韩欧美在线播放视频,中文字幕少妇AV,亚洲电影中文字幕,久久久久亚洲av成人网址,久久综合视频网站,国产在线不卡免费播放

        ?

        基于AHP綜合評價模型的潞安礦區(qū)生態(tài)承載力評價

        2013-12-31 00:00:00陳志超高函劉昌華
        湖北農(nóng)業(yè)科學(xué) 2013年17期

        摘要:以山西省潞安礦區(qū)為研究對象,應(yīng)用AHP綜合評價模型,根據(jù)礦區(qū)生態(tài)承載力理論從生態(tài)系統(tǒng)彈性力、資源環(huán)境承載力及生態(tài)系統(tǒng)壓力度3個方面建立了礦區(qū)生態(tài)承載力量化方法,構(gòu)建礦區(qū)生態(tài)承載力評價指標體系并進行生態(tài)承載力評價。結(jié)果表明,潞安礦區(qū)的生態(tài)系統(tǒng)彈性度為37.31,屬弱穩(wěn)定;資源環(huán)境承載力為48.17,屬中等承載;生態(tài)系統(tǒng)壓力度為55.31,屬中壓狀態(tài)。

        關(guān)鍵詞:AHP綜合評價模型;生態(tài)承載力;生態(tài)系統(tǒng)彈性力;資源環(huán)境承載力;生態(tài)系統(tǒng)壓力度;潞安礦區(qū)

        中圖分類號:X171 文獻標識碼:A 文章編號:0439-8114(2013)17-4062-04

        Assessment of Ecological Carrying Capacity in Lu’an Mining Area

        Based on AHP Model

        CHEN Zhi-chao,GAO Han,LIU Chang-hua

        (School of Surveying and Land Information Engineering, Henan Polytechnic University,Jiaozuo 454000,Henan,China)

        Abstract: Taking Lu’an mining area in Shanxi province as studying object, the quantitative method for assessing the ecosystem carrying capacity was established from the aspects of ecosystem elastic force, resource and environment carrying capacity by comprehensive assessment model, and ecosystem stress based on ecological carrying capacity theory of mining area; assessment index system for ecosystem carrying capacity of mining area was constructed and applied for environment carrying capacity assessment. The results showed that ecosystem elastic force of Lu’an mining area was 37.31, demonstrating weak stability of Lu’an mining area ecosystem; the resources and environment carrying capability was 48.17, indicating medium carrying capability; and ecological stress was 55.31 which was medium level.

        Key words: AHP comprehensive assessment model; ecological carrying capacity; ecosystem elastic force; resources and environment carrying capacity; ecosystem stress; Lu’an mining area

        收稿日期:2013-06-06

        基金項目:河南省軟科學(xué)研究計劃項目(132400410217;B2400410071);中國煤炭工業(yè)協(xié)會科學(xué)技術(shù)研究指導(dǎo)性計劃項目(MTKJ2010-371);河南

        理工大學(xué)青年基金項目(Q2010-1)

        作者簡介:陳志超(1980-),男,河南新野人,講師,主要從事土地資源管理與土地生態(tài)評價研究,(電話)13513820075(電子信箱)logczc@163.com;

        通訊作者,高 函,副教授,主要從事土地生態(tài)利用與評價研究,(電話)13639623576。

        自愉自愉产区二十四区| 人妻有码中文字幕在线| 久久精品国产72国产精福利| 一区二区av日韩免费| 亚洲美女主播内射在线| 人妻一区二区三区av| 国产边摸边吃奶叫床视频| 欧美gv在线观看| 98精品国产综合久久| 日韩国产一区二区三区在线观看| 亚洲av天堂免费在线观看| 国产二区交换配乱婬| 夜夜揉揉日日人人| 无码精品一区二区三区免费16| 中文字幕亚洲一区二区三区| 丰满熟女高潮毛茸茸欧洲视频| 久久精品亚洲乱码伦伦中文| 欧美h久免费女| 国产三级精品三级在线专区2| 亚洲一区自拍高清亚洲精品| 亚洲av无码一区二区二三区下载| 在线无码国产精品亚洲а∨| 久久精品中文字幕亚洲| 国产成人国产三级国产精品| 色噜噜久久综合伊人一本| 老熟女高潮一区二区三区| 免费一区二区三区视频狠狠| 中文字幕久久精品一区二区| 国产色系视频在线观看| 少妇太爽了在线观看| 日本污视频| 漂亮人妻被强中文字幕乱码| 精品人妻一区二区三区视频| 亚洲精品中文幕一区二区| 装睡被陌生人摸出水好爽| 中文人妻无码一区二区三区| 人成视频在线观看免费播放| 伊人久久大香线蕉av五月| 亚洲av无码国产精品草莓在线| 国产精品jizz视频| 久久se精品一区二区国产|