Construction and optimization of an ecological security pattern in the plain region of fluvo-aquic soil in Henan Province by coupling MCR-MSPA models

doi:10.14088/j.cnki.issn0439-8114.2026.04.018

Abstract

Abstract: In order to construct the ecological security pattern of the fluvo-aquic soil area in the North China Plain and provide a practical path for its regional ecological restoration and sustainable agricultural development, based on the data of land use, normalized difference vegetation index (NDVI), elevation and net primary productivity (NPP) of vegetation, the morphological spatial pattern analysis (MSPA) model and minimum cumulative resistance (MCR) model were used to extract the main ecological sources, comprehensive ecological resistance surface and ecological corridors in the region, the regional ecological security pattern was constructed and the corresponding optimization schemes were proposed. The results showed that a total of 10 primary ecological sources and 6 secondary ecological sources were identified, with a total area of 3 528.4 km², which were concentrated in the upstream river wetlands of the Huaihe River Basin, such as Xiangcheng City, Xiayi County and Yanling County. A total of 31 ecological corridors were extracted, with a total length of 2 543.3 km. They were distributed along the river and depended on the farmland and forest network, but were significantly disturbed by human activities, mostly distributed in Luyi County and Dancheng County in the south of the study area. Based on the evaluation results of the ecological security pattern, the ecological function zoning and security pattern optimization schemes of the ecological conservation area along the Yellow River, the southern ecological development protection area and the plain agricultural ecological restoration area were proposed.

Key words: the plain region of fluvo-aquic soil, ecological security pattern, minimum cumulative resistance (MCR) model, morphological spatial pattern analysis (MSPA) model, ecological functional zoning, Henan Province

CLC Number:

X821

YU Xiao-lu, CHEN Qian-qian, HUANG Yi-peng, ZHANG Long-hui, LIU Jian-wei. Construction and optimization of an ecological security pattern in the plain region of fluvo-aquic soil in Henan Province by coupling MCR-MSPA models[J]. HUBEI AGRICULTURAL SCIENCES, 2026, 65(4): 110-118.

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