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Dr. bin shi
Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China

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0 Urban and regional planning
0 Environment and Health
0 environment assessment
0 Ecology and Natural Resources
0 Ecology and the Environment

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Journal article
Published: 30 July 2021 in Ecological Indicators
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The Qinghai-Tibet Plateau is facing a crisis of ecological degradation against a background of global warming and the intensification of human activities. With the aim of evaluating the spatial and temporal distribution of ecological vulnerability, this study established a new comprehensive pressure-state-response-management (PSRM) model based on the differences in the relative importance of indicators in a vulnerability evaluation system in different regions. The factors influencing ecological vulnerability were determined by calculating the correlation coefficient between the ecological vulnerability index (EVI) and the potential impact factors. The results showed that the spatial distribution of EVI in the Tibet Autonomous Region varied significantly, gradually decreasing from southeast to northwest. The regional ecological environment gradually improved from 2000 to 2015 and the EVI score increased. Following the establishment of national nature reserves in 2005, the areas that were extremely vulnerable in 2000 (accounting for 53% of the total area) were transformed into severely vulnerable or moderately vulnerable areas. The proportion of non-vulnerable areas also increased from 3% in 2010 to 6% in 2015 as cities expanded. The correlation analysis among vectors showed that GDP, population density, the proportion of tertiary industry, education level and policy support were strongly correlated with the EVI. Human activity had a greater impact on the EVI in urban areas. Our study provides suggestions for more sustainable development pathways to reduce environmental pressure and protect the fragile ecological environment. The approach used here can provide technical support and references for the ecological assessment and restoration of other high-altitude zones in China or elsewhere in the world.

ACS Style

Yongjian Jiang; Bin Shi; Guijin Su; Ying Lu; Qianqian Li; Jing Meng; Yanpeng Ding; Shuai Song; Lingwen Dai. Spatiotemporal analysis of ecological vulnerability in the Tibet Autonomous Region based on a pressure-state-response-management framework. Ecological Indicators 2021, 130, 108054 .

AMA Style

Yongjian Jiang, Bin Shi, Guijin Su, Ying Lu, Qianqian Li, Jing Meng, Yanpeng Ding, Shuai Song, Lingwen Dai. Spatiotemporal analysis of ecological vulnerability in the Tibet Autonomous Region based on a pressure-state-response-management framework. Ecological Indicators. 2021; 130 ():108054.

Chicago/Turabian Style

Yongjian Jiang; Bin Shi; Guijin Su; Ying Lu; Qianqian Li; Jing Meng; Yanpeng Ding; Shuai Song; Lingwen Dai. 2021. "Spatiotemporal analysis of ecological vulnerability in the Tibet Autonomous Region based on a pressure-state-response-management framework." Ecological Indicators 130, no. : 108054.

Journal article
Published: 01 February 2021 in Sustainability
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With the steady advancement of the United Nations Sustainable Development Goals (SDGs), how to build a sustainable environment for human settlements has become a hot topic of research for scholars from various countries. Rational space utilization and resource allocation are the keys to enhancing human well-being and achieving sustainable human settlements. A comprehensive human settlement environment evaluation system, which includes 14 indicators from the natural environment, infrastructure, and public services, was established in this study. The results showed that the habitat suitability area only accounted for 1.61% (2.05% after removing the nature reserve) and all centered on cities and radiated to the surrounding areas. A belt-like suitability distribution pattern of “Yi Jiang Liang He” (i.e., Brahmaputra, Lhasa, and Nianchu Rivers) is formed, and a point-like suitability distribution pattern of the Chamdo Karub District, Nagqu Seni District, and Ngari Shiquanhe Town are formed. The results of the driving factor analysis indicate that the level of public health development in infrastructure and various indicators in public services are the main factors influencing human settlement. There is not much difference in the natural environment in the populated regions, so the suitability of the natural environment is not a significant driving factor. In addition, the reliability of the assessment results was verified by a questionnaire survey of residents in the three regions, and the subjective satisfaction of the residents agreed with the ranking results of the objective evaluation. The evaluation results of this study provide theoretical and directional guidance for the improvement of human settlements on the Qinghai–Tibet Plateau. It will be a useful tool for evaluating human settlements in the region and has a reference significance for the formulation of macro-policy in high-altitude regions.

ACS Style

Yanpeng Ding; Bin Shi; Guijin Su; Qianqian Li; Jing Meng; Yongjian Jiang; Yi Qin; Lingwen Dai; Shuai Song. Assessing Suitability of Human Settlements in High-Altitude Area Using a Comprehensive Index Method: A Case Study of Tibet, China. Sustainability 2021, 13, 1485 .

AMA Style

Yanpeng Ding, Bin Shi, Guijin Su, Qianqian Li, Jing Meng, Yongjian Jiang, Yi Qin, Lingwen Dai, Shuai Song. Assessing Suitability of Human Settlements in High-Altitude Area Using a Comprehensive Index Method: A Case Study of Tibet, China. Sustainability. 2021; 13 (3):1485.

Chicago/Turabian Style

Yanpeng Ding; Bin Shi; Guijin Su; Qianqian Li; Jing Meng; Yongjian Jiang; Yi Qin; Lingwen Dai; Shuai Song. 2021. "Assessing Suitability of Human Settlements in High-Altitude Area Using a Comprehensive Index Method: A Case Study of Tibet, China." Sustainability 13, no. 3: 1485.

Journal article
Published: 01 February 2020 in Environment International
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The Yellow and Bohai seas comprise one of the most rapidly developing regions in the world, but efforts to assess coastal pollution by persistent toxic substances (PTSs) on wide spatial scale are lacking. The present study aimed to (1) measure the concentrations of PTSs, such as polycyclic aromatic hydrocarbons (PAHs), alkylphenols (APs), and styrene oligomers (SOs) via large-scale sediment monitoring (total of 125 locations), (2) assess potential ecological risk of PTSs in sediments to coastal ecosystems, (3) estimate various sources and fresh inputs of PTSs, (4) determine distribution patterns of PTSs by human activities and land-use type, and (5) address decadal (2008–2018) changes in distributions of PTSs. The high concentrations of PAHs [> 7000 ng g−1 dry weight (dw)] in sediments were detected in Nantong in the Yellow Sea of China (YSC) and Huludao and Qinhuangdao in the Bohai Sea (BS), whereas lesser concentrations (< 200 ng g−1 dw) were detected in the Yellow Sea of Korea (YSK). We found relatively high concentrations of sedimentary APs and SOs in Nantong, Huludao, and Qinhuangdao from the YSC and BS regions, but corresponding concentrations were generally below < 100 ng g−1 dw in other locations. Concentrations of PAHs at 38 locations (30% of YSC and BS) posed a potential risk to aquatic ecosystems, whereas relatively low risk concentrations occurred in all locations of YSK. The main source of PAHs (concentrated in YSC and BS) were by-products of diesel and gasoline combustion (42% of total concentration), whereas biomass combustion (24%) dominated in YSK. Fresh inputs of PTSs indicated that the generation and use of PTSs continue across all regions and locations. Among PTSs, concentrations of PAHs were significantly associated with location (p < 0.05) relative to land-use within a given region, whereas concentrations of APs and SOs showed no significant relationships (p > 0.05) among or within regions. Over time, concentrations of PAHs have generally declined, but sediment contamination has increased at some locations in China, with sources shifting from a mixture of PAHs types to those linked to diesel and gasoline combustion. Additional studies are needed on the fate and potential ecological risk posed by certain PTSs in hotspots. This is one of the first efforts providing backgrounds on PTS pollution in the large marine ecosystem of the Yellow and Bohai seas.

ACS Style

Seo Joon Yoon; Seongjin Hong; Seonju Kim; Jongmin Lee; Taewoo Kim; Beomgi Kim; Bong-Oh Kwon; Yunqiao Zhou; Bin Shi; Peng Liu; Wenyou Hu; Biao Huang; Tieyu Wang; Jong Seong Khim. Large-scale monitoring and ecological risk assessment of persistent toxic substances in riverine, estuarine, and coastal sediments of the Yellow and Bohai seas. Environment International 2020, 137, 105517 .

AMA Style

Seo Joon Yoon, Seongjin Hong, Seonju Kim, Jongmin Lee, Taewoo Kim, Beomgi Kim, Bong-Oh Kwon, Yunqiao Zhou, Bin Shi, Peng Liu, Wenyou Hu, Biao Huang, Tieyu Wang, Jong Seong Khim. Large-scale monitoring and ecological risk assessment of persistent toxic substances in riverine, estuarine, and coastal sediments of the Yellow and Bohai seas. Environment International. 2020; 137 ():105517.

Chicago/Turabian Style

Seo Joon Yoon; Seongjin Hong; Seonju Kim; Jongmin Lee; Taewoo Kim; Beomgi Kim; Bong-Oh Kwon; Yunqiao Zhou; Bin Shi; Peng Liu; Wenyou Hu; Biao Huang; Tieyu Wang; Jong Seong Khim. 2020. "Large-scale monitoring and ecological risk assessment of persistent toxic substances in riverine, estuarine, and coastal sediments of the Yellow and Bohai seas." Environment International 137, no. : 105517.