XU Luo-yuan,HUANG Yi-xiong,YE Gong-fu,et al.Evaluation of Landscape Ecological Quality Based on Land Use—A Case Study in Haitan Island of Fujian Province[J].Research of Soil and Water Conservation,2011,18(02):207-212.
基于土地利用的景观生态质量评价——以福建省海坛岛为例
- Title:
- Evaluation of Landscape Ecological Quality Based on Land Use—A Case Study in Haitan Island of Fujian Province
- Keywords:
- land use; landscape ecological quality; Haitan Island
- 分类号:
- F301.24;P901
- 摘要:
- 景观生态质量评价对于了解区域景观生态系统的质量状况及变化情况具有十分重要的意义，以往单独对区域景观生态质量的评价研究较少。以福建省海坛岛为例，采用2003年和2009年Landsat-7卫星影像数据及部分社会经济统计数据，从土地利用的角度出发，建立研究区景观生态分类系统。从景观稳定性、景观受干扰度和景观产出功能3个方面构建了景观生态质量评价指标体系，采用熵权法赋予指标权重，利用综合分析法建立景观生态质量评价模型，对该区2期的景观生态质量状况进行评价。研究结果表明：从2003-2009年海坛岛景观生态质量综合得分由0.842 0提高到1.158 0，景观生态质量状况有所改善。景观生态系统自身稳定性略有增强，景观产出能力大幅提升，整个景观有向良性发展的趋势，景观干扰和景观产出功能逐渐成为影响研究区景观生态质量提高的主要因素。
- Abstract:
- The evaluation of landscape ecological quality is of significant importance to understand the quality of landscape ecosystem and its changes. Research on the evaluation of regional landscape ecological quality is less. A case study has been made in Haitan Island of Fujian Province in this paper. The study was based on the Landsat-7 satellite images of 2003 and 2009 and also adopted some socio-economic statistics data. The classification system of landscape ecology was established from the perspective of land use. Evaluation indicator systems of landscape ecological quality were founded from the aspects of landscape stability, landscape disturbance and landscape output function. The entropy-weight method was employed to determine the weights of assessment indices. The evaluation model of landscape ecological quality was built to evaluate landscape ecological quality during two periods of time in the study area. Evaluation results showed that the score of landscape ecological quality in Haitan Island increased from 0.842 to 1.158 during six years between 2003 and 2009. The landscape ecological quality has been improved. There was a little enhancement for the stability of landscape ecological system. Landscape output function had obvious enhancement and the whole landscape had a tendency to achieve the goal of sound progress. Landscape disturbance and landscape output function had generally become major factors on improving landscape ecological quality in study area.
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备注/Memo
收稿日期:2010-10-26;改回日期:2010-11-18。
基金项目:国家“十一五”科技支撑计划项目（2006BAD03A14-01）；福建省重大科技专项（2006NZ0001-2）；福建省科技计划重点项目“海峡西岸经济区资源与环境创新研究”
作者简介:许洛源（1986- ），男，辽宁鞍山人，硕士生，从事景观生态学研究。E-mail：syxly_1986@163.com
通讯作者:黄义雄（1960- ），男，福建福州人，研究员，从事景观生态学研究。E-mail：yxhuang@fjnu.edu.cn