The influences of topographic relief on spatial distribution of mountain settlements in Three Gorges Area

Huang, Yu; Luo, Yonghong; Xu, Dingde; Wang, Yong; Yang, Yuli; Liu, Weidong

doi:10.1007/s12665-015-4443-2

Cited by 26 publications

(12 citation statements)

References 14 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…However, the value of topographic diversity increased with the increase of assessing window area. The mean change-point analysis method could identify the optimal area of the window [ 38 ]. Thus, applying the sliding window algorithm and the mean change-point analysis assessed the distributions of topographic diversity for the study area.…”

Section: Methodsmentioning

confidence: 99%

Planning priority conservation areas for biodiversity under climate change in topographically complex areas: A case study in Sichuan province, China

et al. 2020

PLoS ONE

View full text Add to dashboard Cite

Identifying priority conservation areas plays a significant role in conserving biodiversity under climate change, but uncertainties create challenges for conservation planning. To reduce uncertainties in the conservation planning framework, we developed an adaptation index to assess the effect of topographic complexity on species adaptation to climate change, which was incorporated into the conservation framework as conservation costs. Meanwhile, the species distributions were predicted by the Maxent model, and the priority conservation areas were optimized during different periods in Sichuan province by the Marxan model. Our results showed that the effect of topographic complexity was critical for species adaptation, but the adaptation index decreased with the temperature increase. Based on the conservation targets and costs, the distributions of priority conservation areas were mainly concentrated in mountainous areas around the Sichuan Basin where may be robust to the adaptation to climate change. In the future, the distributions of priority conservation areas had no evident changes, accounting for about 26% and 28% of the study areas. Moreover, most species habitats could be conserved in terms of conservation targets in these priority conservation areas. Therefore, our approach could achieve biodiversity conservation goals and be highly practical. More importantly, quantifying the effect of topography also is critical for options for planning conservation areas in response to climate change.

show abstract

Section: Methodsmentioning

confidence: 99%

Planning priority conservation areas for biodiversity under climate change in topographically complex areas: A case study in Sichuan province, China

et al. 2020

PLoS ONE

View full text Add to dashboard Cite

show abstract

“…The Python module was used to extract the average TR T n of the grid with n× n pixel size (n = 2, 3, 4..., 30,31,32) window in sequence and taken as ordinate, the area of the grid window of different sizes as the abscissa, made a curve and fitted it. Previous studies had shown that the curve was a logarithmic curve [26], and there was only one "inflection point" from steepness to slowness on the curve, and the grid window size corresponding to this point was the optimal grid window size. In this study, the mean change point analysis in statistics [25] was used to determine the optimal grid window size.…”

Section: Topographic Reliefmentioning

confidence: 99%

“…7). The TR of the study area ranged from 2 to 6632 m, with an average of 661.99 m. Hui et al divided TR into six levels [26]. Basing on their classification criteria and combining with the actual situation of the study area, we divided TR into five levels: extremely small relief (0-70 m), small relief (70-200 m), medium relief (200-500 m), high relief (500-1000 m), and extremely high relief (>1000 m).…”

Section: Topographic Relief Gradient Effect Of Land Usementioning

confidence: 99%

Terrain Gradient Effect of Land Use and Its Driving Factors in the Qinghai-Tibet Plateau

Wang¹,

Wang²

2022

Pol. J. Environ. Stud.

View full text Add to dashboard Cite

Terrain is an important influencing factor of land use/cover change, it is of great significance to study the relationship between land use and terrain gradient. To analyze the relationship between elevation, slope, aspect, terrain niche index (TNI), topographic relief (TR), and land use, this study took the Qinghai-Tibet Plateau (QTP) as the research area, adopted the five periods of land use data from 1980 to 2015 and Digital Elevation Model (DEM) data, using the topographic distribution index and the comprehensive index of land use degree. The results were as follows: (1) The optimal calculation window size for TR in the QTP was 31.4841 km 2 . (2) The terrain gradient effect of grassland, built-up land, cropland, forest, and water body was significant. Unused land mainly affected the comprehensive index of land use degree. (3) The comprehensive analysis of TNI could better analyze the impact of terrain on land use. (4) The main driving factors were natural and human factors. The results revealed the terrain gradient effect of land use in the QTP, which could provide a reference for overall land planning, management, and sustainable use of land resources.

show abstract

“…The study area, located in the heart of the TGRA, is responsible for the ecological security of the TGRA and the middle and lower reaches of the Yangtze River, but at the same time, it is also a region with a fragile ecological environment (He et al 2016). As a combination of mountain area, reservoir area and rural area, the transformation of the landscape pattern of the study area is the behavior of the farmers' collective abandoned cultivated land and large-scale planting of economic fruit forests, it is also the result of the government's support for the development of forestry and fruit industry and the incentive policy of ecological conversion of farmland (Hui et al 2015).…”

Section: Driving Mechanism Of Landscape Pattern Evolution In Research Areas and Its Practical Signi Cancementioning

confidence: 99%

Transformation of Rural Landscape Patterns in Southwest China's Mountain: A Case Study Based on the Three Gorges Reservoir Area

Li¹,

Xie²,

Li³

2021

Preprint

View full text Add to dashboard Cite

Since the 21st century, China's rural areas have experienced far-reaching social and economic transformation. Studying the evolution and transformation of rural land use landscape pattern under this background is of great significance to reveal the evolution of human-land relationship in China’s mountains and explore the rural revitalization path. Based on the study of land use change and transition, we put forward the theoretical framework of landscape pattern transition, and establish the rural landscape pattern transformation model of mountain area in southwest China by use of high resolution remote sensing images and field investigation. The results show that: (1) The focus of landscape pattern transformation in the case region is mainly embodied in the reduction of cultivated land, the expansion of orchard and the restoration of woodland. There are obvious differences in landscape pattern transition among different terrain areas in the case region. (2) From 2000 to 2018, the landscape types in the valleys of the study area were gradually diversified, there was a concentration of intensive land use types, and the landscape types in mountainous and hilly area were gradually simplified, and forest land was restored. (3) On the whole, the landscape pattern of the study area has changed from production-oriented landscape pattern to eco-economic landscape pattern and eco-regulatory landscape pattern. The results of case study show that the rural landscape pattern in the mountainous areas of Southwest China has undergone a transformation under the background of land use transformation, which has its own particularity, and verifies the theoretical hypothesis proposed in this paper, so it is necessary to conduct a systematic and in-depth study on this. The theories and methods of this paper are helpful to understand the process of landscape pattern transition in mountainous areas, and provide reference value for the rational use of land resources, ecological management and rural revitalization in similar mountainous areas.

show abstract

The influences of topographic relief on spatial distribution of mountain settlements in Three Gorges Area

Cited by 26 publications

References 14 publications

Planning priority conservation areas for biodiversity under climate change in topographically complex areas: A case study in Sichuan province, China

Planning priority conservation areas for biodiversity under climate change in topographically complex areas: A case study in Sichuan province, China

Terrain Gradient Effect of Land Use and Its Driving Factors in the Qinghai-Tibet Plateau

Transformation of Rural Landscape Patterns in Southwest China's Mountain: A Case Study Based on the Three Gorges Reservoir Area

Contact Info

Product

Resources

About