The multiscale classification system and grid encoding mode of ecological land in China

Jing Wang; Aixia Liu; Yifan Lin

doi:10.1117/12.2275942

5 October 2017 The multiscale classification system and grid encoding mode of ecological land in China

Jing Wang, Aixia Liu, Yifan Lin

Proceedings Volume 10428, Earth Resources and Environmental Remote Sensing/GIS Applications VIII; 104281E (2017) https://doi.org/10.1117/12.2275942
Event: SPIE Remote Sensing, 2017, Warsaw, Poland

Abstract

Ecological land provides goods and services that have direct or indirect benefic to eco-environment and human welfare. In recent years, researches on ecological land have become important in the field of land changes and ecosystem management. In the study, a multi-scale classification scheme of ecological land was developed for land management based on combination of the land-use classification and the ecological function zoning in China, including eco-zone, eco-region, eco-district, land ecosystem, and ecological land-use type. The geographical spatial unit leads toward greater homogeneity from macro to micro scale. The term “ecological land-use type” is the smallest one, being important to maintain the key ecological processes in land ecosystem. Ecological land-use type was categorized into main-functional and multi-functional ecological land-use type according to its ecological function attributes and production function attributes. Main-functional type was defined as one kind of land-use type mainly providing ecological goods and function attributes, such as river, lake, swampland, shoaly land, glacier and snow, while multi-functional type not only providing ecological goods and function attributes but also productive goods and function attributes, such as arable land, forestry land, and grassland. Furthermore, a six-level grid encoding mode was proposed for modern management of ecological land and data update under cadastral encoding. The six-level irregular grid encoding from macro to micro scale included eco-zone, eco-region, eco-district, cadastral area, land ecosystem, land ownership type, ecological land-use type, and parcel. Besides, the methodologies on ecosystem management were discussed for integrated management of natural resources in China.

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Jing Wang, Aixia Liu, and Yifan Lin "The multiscale classification system and grid encoding mode of ecological land in China", Proc. SPIE 10428, Earth Resources and Environmental Remote Sensing/GIS Applications VIII, 104281E (5 October 2017); https://doi.org/10.1117/12.2275942

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KEYWORDS

Ecosystems

Computer programming

Classification systems

Climatology

Environmental monitoring

Forestry

Lead

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