景觀生態(tài)學(xué)和美學(xué)視角下的滇東喀斯特景觀農(nóng)業(yè)配置模式
[Abstract]:As a relatively unique geographical environmental unit, the eastern Yunnan Plateau has developed karst landforms, steep mountains and steep slopes, fragile ecological environment, and the unique dual hydrogeological structure leads to the uneven distribution of water and soil resources in time and space. The agricultural production in the region is faced with many unfavorable factors. Through the allocation of karst landscape agriculture, we can achieve the purpose of stabilizing ecological function and creating beautiful scenery, enhance the attraction of the region, promote the development of agricultural tourism, and bring new opportunities to the development of regional economy. With the introduction of the policy of rural land circulation, it provides the basis for large-scale agricultural management such as family farms, farmers' specialized cooperatives, and the construction of "beautiful villages", which also provides an opportunity for the development of landscape agriculture allocation. On the basis of karst geographical environment in eastern Yunnan, this paper relies on the important project of Yunnan Province's social and economic research plan: "basic research of Yunnan cities and towns up mountains with the support of multi-disciplinary and high technology". The karst agriculture in eastern Yunnan is divided into three types: karst valley agriculture, karst gentle hill basin agriculture and karst peak cluster depression agriculture. Based on the "3s" technology and the characteristics of agricultural production in the region, the landscape structure and function of different types of karst agriculture were analyzed from the view of landscape ecology, and the optimized thinking of landscape agriculture pattern was put forward. From the point of view of landscape aesthetics and color aesthetics, this paper summarizes the configuration mode of landscape agriculture. The main conclusions are as follows: (1) the karst valley in eastern Yunnan has the characteristics of steep slope, flat valley bottom and long and narrow terrace. The forest matrix is broken. In the allocation of landscape agriculture, the whole valley system is taken as a whole to form a "center-step" structure, that is, the agricultural landscape structure with the valley terrace farmland as the center, the slope farmland as the center, and the forest and grassland distributed in a step form along the hillside. Forming the "mosaic" visual effect with high and low ups and downs, color changes, rich levels of feeling, and creating "mosaic terrace" landscape agriculture. (2) the karst gentle hill basin in eastern Yunnan has the characteristics of not being open in topography. The cultivated land patches were mainly distributed on the pelvic floor, showing that the pelvic floor cultivated land concentrated in the form of surface, the basin edge forest land and the cultivated land showed the characteristics of closed ring distribution. In the allocation of landscape agriculture, the whole mountain basin system is taken as a whole to form a "concentric circular network" structure, that is, with the pelvic floor cultivated land as the center, settlements, forests and grasslands, and other patches surrounding the cultivated land to the pelvic bottom edge, the basin slope is arranged in a circular way, and the river, the ridge of the field, etc. Roads and other connections form the landscape structure of the corridor network. Combining with the characteristics of high degree of continuous farmland in pelvic floor, using the collocation of different crops, forming characters, flowers, geometric figures or other patterns to create "farmland pattern" landscape agriculture. (3) the karst peak cluster depression in eastern Yunnan is steep and steep. The topography is broken, the area of flat dam is small, the patch of cultivated land is mainly distributed in low-lying and gentle slope, affected by human activities, the natural corridor is degraded or even disappeared. In the allocation of landscape agriculture, the peak forest, the solitary peak and so on are taken as the points, and the depressions are taken as the surface, forming the "stereoscopic and multi-layer" structure, which allocates the peak forest, the peak cluster and the solitary peak to the "mosaic type" and the low-lying land to the "farmland pattern type". From the view of the whole landscape, the agriculture of peak cluster depression can be made into "mixed" landscape agriculture. The academic problem of agricultural allocation of karst landscape in this study is to study the development of agricultural tourism from the angle of agricultural resource allocation, and it is also a new trend and method of tourism resources construction. Not only has certain theory significance, but also can provide the reference and the reference for the karst agricultural area sustainable development.
【學(xué)位授予單位】:云南師范大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2014
【分類號(hào)】:TU982.29;F327;F592.7
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