ZHANG Shuai,XU Jian,YANG Ping,et al.Analysis of Spatial Characteristics of Agricultural Landscape in Plateau Mountain Areas Based on GIS[J].Northern Horticulture,2020,44(11):63-69.[doi:10.11937/bfyy.20193678]
基于GIS的高原山地农业景观空间特征研究
- Title:
- Analysis of Spatial Characteristics of Agricultural Landscape in Plateau Mountain Areas Based on GIS
- Keywords:
- plateau mountain; agricultural landscape; landscape pattern; spatial structure; Binchuan county
- 文献标志码:
- A
- 摘要:
- 高原山地农业景观受自然因素限制，导致局部生态恶化、土地利用不合理等问题，现从景观角度研究农业景观空间特征，为促进高原山地农业景观保护与发展提供了新思路。以典型高原山地农业大县为例，运用GIS技术将研究区域划分山区和坝区2种地形，从景观斑块和景观异质性反映景观格局特征，从景观类型热点反映空间结构特征。结果表明：山区和坝区在景观斑块特征和景观异质性存在较大差异性，山区景观基质是林地，多样性指数小，优势度高；坝区景观基质是水田，多样性指数大，优势度低。旱田、水田分别集中在山区和坝区，主要呈现“条带状”和“斑块状”特征；园地是沿坝区由南向北扩散特征；建设用地是由坝区中部向坝区两端扩散特征；林地和未利用地主要呈现“斑块状”特征。
- Abstract:
- The agricultural landscape of plateau mountain was limited by natural factors.Consequently,problems including local ecological deterioration and improper land use were common.The spatial characteristics of agricultural landscapes was studied from a landscape perspective and new ideas for further protection and development of the agricultural landscapes of plateau mountain were offered.Taking Binchuan as an example,GIS technologies were used in typical major agricultural county that were divided into the mountainous areas and the dam area.The landscape patch and landscape heterogeneity showed landscape pattern characteristics,and popular landscape types demonstrated spatial structure characteristics.The results showed that mountainous areas and dam areas were largely different in terms of landscape patch characteristics and landscape heterogeneity.The landscape matrix in the mountainous area was forest,with a small diversity index and high dominance;while the landscape matrix in the dam area was paddy fields,with high diversity index and low dominance.Dry farmland and paddy fields were commonly seen in the mountainous area and dam area respectively,presenting ‘strip-shaped’ and ‘plaque-shaped’ characteristics;the garden plot was characterized by expanding from the south to the north side along the dam area;the construction land was characterized by expanding from the middle part to both ends of the dam area;and the forest and unused land mainly exhibited ‘plaque-shaped’ characteristics.
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备注/Memo
第一作者简介：张帅（1993-），男，硕士研究生，研究方向为城乡规划及人居环境。E-mail:1026349726@qq.com.责任作者：徐坚（1969-），女，博士，教授，现主要从事城市设计及山地人居环境等研究工作。E-mail:939002567@qq.com.基金项目：国家自然科学基金资助项目（51878591）。收稿日期：2019-12-05