Dynamic Analysis of Landscape Pattern at Village Level in Qingyazhai Reserve: Participatory Interview Based on the 3D e-Sandbox

doi:10.11924/j.issn.1000-6850.casb2020-0626

Abstract

Abstract:

To reveal the dynamic change characteristics of the village landscape pattern in Qingyazhai Nature Reserve and provide reference cases for the scientific management of the reserve’s village area, this paper took Dahuizhuang village in the reserve’s experimental area as an example, studied its historical landscape pattern in 1995, 2006 and 2016 by using participatory interviews and Agisoft PhotoScan Professional and Fragstats software based on a 3D e-Sandbox. The results showed that: (1) through the calculation of landscape type area in the three periods of Dahuizhuang village, the forest land, building land and water area increased by 8.00, 1.79 and 1.95 hm², respectively, from 1995 to 2006, the cultivated land, grassland and unused land decreased by 9.81, 0.37 and 1.56 hm², respectively; (2) at the landscape level, the landscape connectivity of Dahuizhuang village decreased, but the overall internal structure was closely connected, the degree of fragmentation gradually decreased, the oneness decreased, and the landscape diversity was restored; (3) among the driving factors, the natural factors were not the only condition that affected the change of landscape pattern in the research area, the socio-economic level and policy also played important roles. This study demonstrates that participatory interviews based on a 3D e-Sandbox could guide the restoration of the historical landscape pattern in village area and effectively remove the barriers in direct communication with the villagers.

Key words: village-level landscape patterns, 3D e-Sandbox, participatory interview, landscape index, driving factors

CLC Number:

S718.5

Liang Shijie, Li Liangtao, Zhang Xiaohua, Wang Yao, Zhou Yuekang, Ma Chuanyu. Dynamic Analysis of Landscape Pattern at Village Level in Qingyazhai Reserve: Participatory Interview Based on the 3D e-Sandbox[J]. Chinese Agricultural Science Bulletin, 2021, 37(21): 151-159.

Figures/Tables 10

References 28

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时间节点	参考事件
1995年	确定土地所有权和使用权若干规定的出台
2006年	当地对退耕还林政策的响应
2016年	年轻劳动力外流

时间节点	参考事件
1995年	确定土地所有权和使用权若干规定的出台
2006年	当地对退耕还林政策的响应
2016年	年轻劳动力外流

类型	1995年		2006年		2016年
类型	面积/hm²	占比/%	面积/hm²	占比/%	面积/hm²	占比/%
林地	400.19	90.56	407.02	92.11	408.19	92.37
耕地	25.40	5.75	17.88	4.05	15.59	3.53
草地	1.94	0.44	1.06	0.24	1.57	0.36
建筑用地	6.02	1.36	6.48	1.46	7.81	1.77
水域	5.60	1.27	7.38	1.67	7.55	1.71
未利用地	2.73	0.62	2.06	0.47	1.17	0.26

类型	1995年		2006年		2016年
类型	面积/hm²	占比/%	面积/hm²	占比/%	面积/hm²	占比/%
林地	400.19	90.56	407.02	92.11	408.19	92.37
耕地	25.40	5.75	17.88	4.05	15.59	3.53
草地	1.94	0.44	1.06	0.24	1.57	0.36
建筑用地	6.02	1.36	6.48	1.46	7.81	1.77
水域	5.60	1.27	7.38	1.67	7.55	1.71
未利用地	2.73	0.62	2.06	0.47	1.17	0.26

景观指数	年份
景观指数	1995	2006	2016
周长面积比(PRAR)	0.9216	0.9224	0.9081
斑块密度(PD)	1.3782	1.3601	1.3488
连接度(CONNECT)	6.4913	6.4038	6.3225
香农多样性指数(SHDI)	0.5901	0.5815	0.5862