基于高分影像的松嫩低平原地区生态环境问题解析——以黑龙江省肇源县为例

doi:10.13278/j.cnki.jjuese.20190087

Abstract

Abstract: This research is based on high resolution satellite image data, remote sensing,and GIS technology. The latest data of natural resources and eco-geological environment factors in Zhaoyuan County of Heilongjiang Province were obtained as follows:cultivated land area 2 541.75 km², forest land area 161.88 km², grassland area 349.00 km², river area 128.05 km², lake area 215.80 km², swamp area 109.17 km², other waters area 84.65 km², building used land area 191.25 km², unused land area 329.94 km²,wetland area 1 334.54 km², and desertification area 775.47 km². A comprehensive study was carried out through calculating coverage rate, per capita occupancy,and landscape index (patch density, area-weighted mean patch fractal dimension, fractal dimension, Shannon diversity index, and Shannon evenness index). Based on the study result,it is concluded that wetland resources, especially natural wetlands, are more disturbed by human activities,while desertified land is less disturbed by human activities. Through multi-stage remote sensing dynamic monitoring and field verification for the selected Laoshan Village and other typical areas,some ecological and environmental problems are recognized, such as wetland degradation and land desertification in Songnen low plain area.

Key words: high-resolution satellite data, Songnen low plain, natural resources, eco-geological environment, problem analysis

CLC Number:

Ding Yuxue, Mao Long, Zhou Xiangbin, Chu Weiyu. Analysis of Eco-Environmental Problems in Songnen Low Plain Based on High-Score Image——A Case Study of Zhaoyuan County of Heilongjiang Province[J].Journal of Jilin University(Earth Science Edition), 2020, 50(4): 1240-1248.

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Analysis of Eco-Environmental Problems in Songnen Low Plain Based on High-Score Image——A Case Study of Zhaoyuan County of Heilongjiang Province

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