Boundary Determination of Lake-Type Wetland Park Based on GIS Multifactor Analysis

Table 1

Boundary determination index system.

Target Layer	Project Layer	Index Layer	Indicator Attribute
Boundary determination	Visual control	Road vision	Degree of visible landscape area of road
		Scene source vision	Degree of visible landscape area of scenic spot
		Visual sensitivity of relative slope landscape	Landscape visibility of different slopes
		Visual sensitivity of relative distance landscape	Landscape visibility at different distances
	Human geography factors	Elevation	The relief of the terrain
		Slope	The steepness of the terrain
		Scene source grade	Distance from scene source
		Village and town construction	Buffer distance from town/Village
		Road traffic	Buffer distance from expressway/National and provincial highways
	Ecological control	Water conservation	Distance from water body
		Soil conservation	Land type
		Vegetation	Vegetation coverage