Biodiversity Science ›› 2019, Vol. 27 ›› Issue (1): 42-50.doi: 10.17520/biods.2018249

• Original Papers • Previous Article     Next Article

Using low-altitude UAV remote sensing to identify national park functional zoning boundary: A case study in Qianjiangyuan National Park pilot

Li Jie1, Li Weiyue1, *(), Fu Jing1, Gao Jun1, Yang Lei2, He Weihang1   

  1. 1 School of Environmental and Geographical Sciences, Shanghai Normal University, Shanghai 200234
    2 College of Life Sciences, Shanghai Normal University, Shanghai 200234
  • Received:2018-09-17 Accepted:2019-01-07 Online:2019-03-15
  • Li Weiyue

Delineating areas within a national park for different uses and management plans is important for protecting the land. Functional zones may be designated based on administrative boundaries, natural geographical boundaries, or a manual survey. However, the current delineation practice barely considers the integrity of the local ecosystem or human factors, which results in unreasonable and unclear boundaries. Considering two typical areas with large human interference in Qianjiangyuan National Park pilot as an example, we employed both low-altitude unmanned aerial vehicle (UAV) remote sensing technology and on-the-ground field vegetation surveys to evaluate the legitimacy of the already established functional zoning boundaries. The results show that 53,550 m 2 and 19,667 m 2 of the functional area surrounding Henglingjiao and Gutianshan Visitor Center had been modified, respectively, accounting for 29.75% and 16.39% of the aerial study area. Misclassification of functional zoning may occur due to (1) difficulties in distinguishing between areas with large human disturbances and natural features; and (2) partitioning the natural forests into small sections that do not consider the integrity of the vegetative system, which results in lower levels of protection. This study uses a combination of aerial imagery and ground surveys to provide a reasonable and feasible method for the future identification and refinement of functional boundaries in national parks so as to best protect local ecosystem integrity and to reduce human disturbance factors.

Key words: low-altitude UAV remote sensing, on-the-ground field survey, national park, functional zoning, human interference, boundary identification

Fig. 1

Flowchart of study"

Fig. 2

Interference distribution map of Qianjiangyuan National Park Pilot "

Fig. 3

Aerial image and analysis of Henglingjiao in Kukeng Village "

Fig. 4

Aerial image and analysis of Gutianshan Visitor Center "

Table 1

Confusion matrix of function partition in Henglingjiao (m2)"

Recreation display area before revision
Ecological conserveation area before revision
Traditional use area before revision
Total original functional partition
修正后游憩展示区 Recreation display area after revision 82,778 24,263 14,743 121,784
修正后生态保育区 Ecological conservation area after revision 13,866 33,448 - 47,314
修正后传统利用区 Traditional use area after revision 678 - 10,223 10,902
修正后分区总计 Total corrected functional partition 97,322 57,711 24,967 180,000

Table 2

Confusion matrix of function partition in Gutianshan visitor center (m2)"

Recreation display
area before revision
Ecological conserveation area before revision
Core protection area before revision
Total original functional partition
修正后游憩展示区 Recreation display area after revision 56,168 9,139 4,541 69,848
修正后生态保育区 Ecological conservation area after revision - 12,502 - 12,502
修正后核心保护区 Core protection area after revision 5,987 - 31,662 37,650
修正后分区总计 Total corrected functional partition 62,155 21,641 36,204 120,000
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