Indicators for Guiding Sustainable Development of Townships in Mountainous Regions in Southwest China

2017 ◽  
pp. 917-926
Author(s):  
Y. Chen ◽  
Y. T. Ren ◽  
Y. L. Huang ◽  
L. Y. Shen
Keyword(s):  
Sustainable Development ◽  
Southwest China ◽  
Mountainous Regions

scholarly journals Regional Features and Spatial Distribution of Fifty-Eight Ethnic Groups in Southwest China

2021 ◽  
Vol 13 (24) ◽  
pp. 13570
Author(s):  
Yuan Shen ◽  
Danyin Wang ◽  
Jiahui Wu ◽  
Tianshu Yu ◽  
Tao Li ◽  
...  
Keyword(s):  
Cluster Analysis ◽  
Sustainable Development ◽  
Ethnic Groups ◽  
Ethnic Diversity ◽  
Southwest China ◽  
Environmental Variability ◽  
Population Data ◽  
Spatial Cluster ◽  
Regional Features ◽  
Spatial Cluster Analysis

Eco-environmental variability was the basis of ethnic diversity with a persistent influence on the regional development. The unique geographic conditions and multi-ethnic characteristics in southwest China were valuable for exploring sustainable development of ethnic regions. In this study, the regional features of distribution areas of ethnic groups in southwest China were analysed, and it was found that average altitude, slope, water coverage and water form ratio of each ethnic group differed apparently. Additionally, regional features of southern minorities were relatively stable, while those of northern minorities changed evidently from 1990 to 2010. Furthermore, taking the spatial coordinates and regional features as parameters, fifty-eight ethnic groups were clustered into six categories via spatial cluster analysis. Moreover, based on the county-level population data, the ethnic similarities in southwest China were identified by correlation analysis, and the results were in accordance with those of spatial cluster analysis but more detailed. In addition, the eco-environmental adaptability of various ethnic groups was discussed in terms of living and production as well as regional sustainable development. This research was of referential meaning for population settlement, natural resources utilization and biodiversity conservation in multi-ethnic regions.

scholarly journals Intensificación de la ganadería porcina y problemas medioambientales en la Conca de Tremp (Pirineo Catalán)

1997 ◽  
Author(s):  
José Borrás Ferrán ◽  
José Sánchez Sánchez
Keyword(s):  
Sustainable Development ◽  
Human Health ◽  
Environmental Impacts ◽  
Production System ◽  
Mountainous Regions ◽  
High Level ◽  
High Degree ◽  
Very High

La Conca de Tremp, situada en la comarca montañosa catalana del Pallars Jussá, es una de las áreas donde más se ha incrementado la ganadería porcina en régimen estabulado en las últimas tres décadas. Los impactos medioambientales negativos derivados de este sistema de producción ganadera son muy considerables, especialmente los relacionados con el vertido de puriñes que ha provocado un alto grado de nitrificación de las aguas. Análisis pormenorizados demuestran que el nivel de nitrificación de las aguas en la Conca de Tremp ha alcanzado un nivel muy alto, con las consecuencias que ello tiene en la salud de las personas. Atendiendo a las exigencias del desarrollo sostenible, única forma de garantizar el futuro de las comarcas de montaña, se apuntan soluciones para paliar los graves problemas generados por la intensificación de la ganadería porcina.The Tremp Basin, placed in the mountainous Catalonian region of the Pallars Jussá, is one of the areas where stabled pig cattle raising has been more increased in the last three decades. Negative environmental impacts, derived from this cattle raising production system are greatly substantial, specially the ones related to purine wastes which have caused a high degree of nitrification of the waters. Detailed analyses show that the degree of nitrification of the waters in the Tremp Basin has reached a very high level, with all that this implies for human health. Attending to the requirements of a sustainable development, which is the only way of granting a future for the mountainous regions, this paper hints at some solutions to lessen the serious problems generated by the intensification ofpig cattle raising.

Monitoring of "All-weather" Evapotranspiration Using Multi-source Remote Sensing Imagery in Cloudy and Mountainous Regions in Southwest China

2020 ◽  
Author(s):  
Yanfei Ma ◽  
Ji Zhou ◽  
Shaomin Liu
Keyword(s):  
Remote Sensing ◽  
Spatial Resolution ◽  
Southwest China ◽  
High Spatial Resolution ◽  
Remote Sensing Data ◽  
Accurate Estimation ◽  
Spatiotemporal Resolution ◽  
Sensing Data ◽  
Mountainous Regions ◽  
Basin Scale

<p>Accurate estimation of surface evapotranspiration (ET) with high quality and fine spatiotemporal resolution is one of the biggest obstacles for routine applications of remote sensing in eco-hydrological studies and water resource management at basin scale. Integrating multi-source remote sensing data is one of the main ideas for many scholars to obtain synthesized frequent high spatial resolution surface ET. This study was based on the theoretically robust surface energy balance system (SEBS) model, which the model mechanism needs further investigation, including the applicability and the influencing factors, such as local environment, heterogeneity of the landscape, and optimized parametric scheme, for improving estimation accuracy. In addition, due to technical and budget limitations, so far, no single sensor provides both high spatial resolution and high temporal resolution. Optical remote sensing data is missing due to frequent cloud contamination and other poor atmospheric conditions. The passive microwave (PW) remote sensing has a better ability in overcoming the influences of clouds and rainy. The accurate "all-weather" ET estimation method had been proposed through blending multi-source remote sensing data acquired by optical, thermal infrared (TIR) and PW remote sensors on board polar satellite platforms. The estimation had been carried out for daily ET of the River Source Region in Southwest China, and then the "All-weather" remotely sensed ET results showed that the daily ET estimates had a mean absolute percent error (MAPE) of 36% and a root mean square error (RMSE) of 0.88 mm/day relative to ground measurements from 12 eddy covariance (EC) sites in the study area. The validation results indicated good accuracy using multi-source remote sensing data in cloudy and mountainous regions.</p>

scholarly journals The Production–Living–Ecological Land Classification System and Its Characteristics in the Hilly Area of Sichuan Province, Southwest China Based on Identification of the Main Functions

2019 ◽  
Vol 11 (6) ◽  
pp. 1600 ◽  
Author(s):  
Guitang Liao ◽  
Peng He ◽  
Xuesong Gao ◽  
Liangji Deng ◽  
Hui Zhang ◽  
...  
Keyword(s):  
Sustainable Development ◽  
Classification System ◽  
Southwest China ◽  
Dominant Role ◽  
Sichuan Province ◽  
Impact Factors ◽  
Economic Factors ◽  
Hilly Area ◽  
Ecological Land Classification ◽  
The Difference

Production–living–ecological land (PLEL) is one of the research focuses of land planning and regional sustainable development in China. This paper builds a three-level classification system of PLEL based on the identification of the main land use functions (LUFs). Taking 215 typical towns in the hilly area of Sichuan Province, Southwest China as samples, the quantitative, spatial, and functional characteristics and impact factors of PLEL were studied. The results showed that (1) production land holds a dominant role in the hilly area of Sichuan Province, and production land (PL), living land (LL) and ecological land (EL) account for 66.06%, 7.60%, and 26.34% of the area, respectively. The area of agricultural production land is the largest; forestland and rural living land rank second and third. (2) The spatial patterns of PLEL in different regions of hilly area have differences. The proportion of PL gradually decreases from north to south, while the proportion of EL gradually increases from north to south, and the difference in LL is not obvious. The EL is mainly distributed in the upper and middle parts of hills, and the PL and LL are mainly distributed in the foot slopes and valleys. (3) The main functions of PLEL in the hilly area of Sichuan are production and ecology. The production function is mainly for agricultural and forestry products, and the living function is mainly for cultural leisure and residential functions. There are little differences among the ecological sub-functions. (4) There is a strong correlation between PLEL and natural–social–economic factors in the hilly area of Sichuan. Natural conditions such as latitude, relative height, and surface roughness have significant impacts on PL and EL. Social and economic factors such as population density, location and total industrial output value have a significant impact on LL. The results of this study provide valuable implications for the spatial planning and sustainable development in the Sichuan Basin and upstream of the Yangtze River.

Taxonomic studies of the diatom genus Halamphora (Bacillariophyceae) from the mountainous regions of southwest China, including the description of two new species

Phytotaxa ◽  
2015 ◽  
Vol 205 (2) ◽  
pp. 75 ◽  
Author(s):  
You Qingmin ◽  
John Patrick Kociolek ◽  
Wang Quanxi
Keyword(s):  
New Species ◽  
Southwest China ◽  
New Combinations ◽  
Mountainous Regions ◽  
Two New Species ◽  
Diatom Genus ◽  
Electron Microscopical ◽  
Taxonomic Studies ◽  
Scanning Electron ◽  
Alkaline Waters

In this study, we describe two new Halamphora species (Halamphora subfontinalis and H. hezhangii) and identify three species newly recorded in China (H. elongata, H. submontana and H. tenella) and two others previously recorded from China (H. montana and H. dusenii), as well as make preliminary observations on three interesting and unnamed Halamphora species. For all ten taxa observations were made using light microscopy and for the new taxa scanning electron microscopical observations were also made. Comparisons of morphological features are made with similar, previously-described taxa. All of these Halamphora species were found in alkaline waters (7.2 < pH < 9.7) in the mountainous regions of southwest China, including Tibet, Yunnan and Guizhou Provinces. In addition, we list in Halamphora twenty taxa previously recorded from China in the genus Amphora, resulting in two new combinations.

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