Abstract
Ecological security is an overall reflection of the ecological integrity and health level of natural semi-natural ecosystems. The study obtained quantitative results of ecological land-use variety by using spatial transfer matrix, based on status maps of Anqing City in 2005 and 2017. We combined the superposition analysis of ecological sensitivity with ecological disturbance evaluation to judge the strategic nodes and corridors of core protection type, including maintenance promotion type and potential supplementary type in the study area. In addition, we introduced the model of minimum cumulative resistance to construct the ecological security pattern, superimposing with the results of ecological land use. According to the trend of change over the past decade, the study has the great significance to the ecological security pattern so that we can effectively guide to take management strategy for security landscape.
Highlights
Urbanization has become an inevitable trend toward ecosystem in the 21st century
We introduced the model of minimum cumulative resistance to construct the ecological security pattern, superimposing with the results of ecological land use
We selected the data from Anqing City Land Use Master Plan, Anqing City Water Resources Comprehensive Plan, Anqing City Geological Disaster Prevention Plan and applied it on the platform of ArcGIS followed by calibration and vectorization
Summary
Urbanization has become an inevitable trend toward ecosystem in the 21st century. A highly dense growing urban population, an increasing consumption demand, and the increasing ability to utilize natural resources are depleting land resources. The pattern refers to a multi-level, continuous and complete ecosystem space network, provided good ecological services for human survival and development, that is critical to the maintenance and health control in regional ecological processes [2]. The methods can be categorized as three types, including index optimization model, suitability, sensitivity evaluation model and ecological process model [4]. From this application study, the MCRM is innovative regarded as one of the best tools in spatial temporal analysis of ecological security pattern, which can apply on management strategy of ecological security pattern by spatial and temporal analysis of ecological security pattern and superposition of ecological land-use variety
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