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Xuliang Zhang
School of Tourism and Geography Science, Qingdao University, Qingdao, 266071, China

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Journal article
Published: 04 June 2021 in Journal of Environmental Management
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Vegetation successions of coastal wetlands were influenced by the changes in relative surface elevation and soil salinity. In this study, the vegetation successions of coastal wetlands in southern Laizhou Bay and the factors influencing the successions were investigated by quadrat survey. The changes of relative surface elevation and soil salinity in coastal wetlands of the study region were caused by climate change, sea-level rise, coastal erosion, sedimentation, neotectonism, storm surge, seawater intrusion, invasion of Spatina alterniflora, and utilization of underground brine. The changes led to the regressive vegetation succession of coastal wetlands without the protection of sea embankment and the progressive vegetation succession of coastal wetlands with the protection of sea embankment. The invasion of S. alterniflora resulted in the regressive vegetation succession of wetlands in the riparian zone. The successions weakened the coastal wetlands’ ecological capacities of carbon sequestration, pollutant purification, and resisting marine disasters, decreasing their species diversity. Some measures were proposed to resist the adverse impact of successions, such as introducing passenger water, storing water in flood season, digging 200 hm2 of ponds, and planting Salix matsudana and Tamarix chinensis around the ponds.

ACS Style

Xuliang Zhang; Zhaohui Zhang; Wei Wang; Wei-Ta Fang; Yi-Te Chiang; Xiujun Liu; Hongrun Ju. Vegetation successions of coastal wetlands in southern Laizhou Bay, Bohai Sea, northern China, influenced by the changes in relative surface elevation and soil salinity. Journal of Environmental Management 2021, 293, 112964 .

AMA Style

Xuliang Zhang, Zhaohui Zhang, Wei Wang, Wei-Ta Fang, Yi-Te Chiang, Xiujun Liu, Hongrun Ju. Vegetation successions of coastal wetlands in southern Laizhou Bay, Bohai Sea, northern China, influenced by the changes in relative surface elevation and soil salinity. Journal of Environmental Management. 2021; 293 ():112964.

Chicago/Turabian Style

Xuliang Zhang; Zhaohui Zhang; Wei Wang; Wei-Ta Fang; Yi-Te Chiang; Xiujun Liu; Hongrun Ju. 2021. "Vegetation successions of coastal wetlands in southern Laizhou Bay, Bohai Sea, northern China, influenced by the changes in relative surface elevation and soil salinity." Journal of Environmental Management 293, no. : 112964.

Journal article
Published: 01 September 2020 in Journal of Resources and Ecology
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The ecosystem provides humans with food and raw materials, and it is indispensable for sustainable development (Luo et al., 2019). According to the Comprehensive Report on Millennium Ecosystem Assessment issued by the United Nations in 2005, the intensive use of ecosystem services by humans in the past 50 years has increased human well-being(Millennium Ecosystem Assessment, 2005); however, it has also significantly destroyed the Earth's ecosystem, resulting in ecosystem degradation, the reduction of ecological assets and the decline of biodiversity (Carpenter et al., 2006; Narducci et al., 2019). Therefore, understanding the optimal coverage of ecosystem services (Alejandre et al., 2019), accurately assessing the ecosystem service value and making a full assessment of the relationship between ecosystem services and human well-being are important for achieving sustainable development (Parkes, 2006).

ACS Style

Cai Shizhen; Zhang Xuliang; Cao Yinghui; Zhang Zhaohui; Wang Wei. Values of the Farmland Ecosystem Services of Qingdao City, China, and their Changes. Journal of Resources and Ecology 2020, 11, 443 -453.

AMA Style

Cai Shizhen, Zhang Xuliang, Cao Yinghui, Zhang Zhaohui, Wang Wei. Values of the Farmland Ecosystem Services of Qingdao City, China, and their Changes. Journal of Resources and Ecology. 2020; 11 (5):443-453.

Chicago/Turabian Style

Cai Shizhen; Zhang Xuliang; Cao Yinghui; Zhang Zhaohui; Wang Wei. 2020. "Values of the Farmland Ecosystem Services of Qingdao City, China, and their Changes." Journal of Resources and Ecology 11, no. 5: 443-453.

Journal article
Published: 16 January 2019 in Sustainability
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The comprehensive land carrying capacities of seven cities in the Shandong Peninsula Blue Economic Zone between 2007–2014 were assessed using a multi-criterion comprehensive evaluation approach and an index of 27 indicators, and cluster analysis was conducted to identify the spatial-temporal variations of the cities’ comprehensive land carrying capacities. The results showed that the carrying capacity of the water and soil resources of the cities had declined except Dongying City; in contrast, the carrying capacities of the eco-environment, the social resources and the economy and technology of the seven cities had all arisen. The carrying capacities of social resources of Dongying and Weihai were markedly higher than the other five cities. The carrying capacities of economy and technology of Qingdao and Dongying were high, the capacities of Weihai and Yantai were moderate, and the capacities of Weifang, Rizhao, and Binzhou were low. In general, the comprehensive land carrying capacities of the eastern cities were higher than those of the western cities, which was similar to the spatial pattern of the economy development of those cities. In addition, positive correlations were identified between the comprehensive land carrying capacity and the per capita land for construction, areal proportion of wetland to total land, percentage of green space to build up area, per capita public green space, comprehensive utilization rate of industrial solid waste residues, urbanization rate, area of per capita urban road, per capita GDP, economy density, fixed-assets investment per area, etc. However negative correlations were discovered between the comprehensive land carrying capacity and the discharge of industrial waste water per 10,000 Yuan RMB GDP, as well as the proportion of added value of the primary industry to total GDP. Finally, we discussed measures to improve the comprehensive land carrying capacities of the cities, such as elevating the intensive land utilization and economic development, decreasing the proportion of added value of the primary industry to total GDP, promoting energy saving and emission reduction, etc.

ACS Style

Guangming Cui; Xuliang Zhang; Zhaohui Zhang; Yinghui Cao; Xiujun Liu. Comprehensive Land Carrying Capacities of the Cities in the Shandong Peninsula Blue Economic Zone and their Spatio-Temporal Variations. Sustainability 2019, 11, 439 .

AMA Style

Guangming Cui, Xuliang Zhang, Zhaohui Zhang, Yinghui Cao, Xiujun Liu. Comprehensive Land Carrying Capacities of the Cities in the Shandong Peninsula Blue Economic Zone and their Spatio-Temporal Variations. Sustainability. 2019; 11 (2):439.

Chicago/Turabian Style

Guangming Cui; Xuliang Zhang; Zhaohui Zhang; Yinghui Cao; Xiujun Liu. 2019. "Comprehensive Land Carrying Capacities of the Cities in the Shandong Peninsula Blue Economic Zone and their Spatio-Temporal Variations." Sustainability 11, no. 2: 439.

Forestry science
Published: 01 January 2019 in Ciência Rural
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This study aimed to examined the characteristics of ancient and famous trees in Laoshan District, Qingdao City, Shandong Province, China, including species composition, number of individuals, origin, distribution, and age structure, to highlight the values of inheriting history and culture, improving urban environment, protecting regional biodiversity, promoting tourism economy and so on. The analyses was made through field surveys and quantitative analyses of statistical data and relevant literature, The main issues in their conservation are investigated and priority conservation measures are proposed. Results showed that there are 290 ancient and famous trees, comprising 42 species, 34 genera, and 26 families. These included four types of ancient and famous trees with different origins, namely religious trees planted by Buddhists, naturally preserved wild trees, trees with agricultural backgrounds for providing food or used as offerings, and exotic trees introduced from other places. There are relatively more local species and comparatively more elder trees. Ancient and famous trees are distributed in large numbers in Mountain Lao Scenic Area and many of them fall into temperate genera. Currently, ancient and famous tree conservation in Laoshan District is challenging because of issues such as habitat deterioration, severe effects of natural hazards, pests and diseases, weakening physiological function, and inadequate management. Based on all these analyses, countermeasures are proposed, which include regularly inspecting ancient and famous trees, restoring their habitats, reinforcing pest and disease controls, promoting studies on conservation technologies, improving management practices, increasing grants, and reforming the ownership system of ancient and famous trees.

ACS Style

Xuliang Zhang; Lihua Wang; Zheng Liu; Tao Zheng; Yinghui Cao; Xiujun Liu. The current situation and countermeasures for conservation of ancient and famous trees in Laoshan, Qingdao, China. Ciência Rural 2019, 49, 1 .

AMA Style

Xuliang Zhang, Lihua Wang, Zheng Liu, Tao Zheng, Yinghui Cao, Xiujun Liu. The current situation and countermeasures for conservation of ancient and famous trees in Laoshan, Qingdao, China. Ciência Rural. 2019; 49 (10):1.

Chicago/Turabian Style

Xuliang Zhang; Lihua Wang; Zheng Liu; Tao Zheng; Yinghui Cao; Xiujun Liu. 2019. "The current situation and countermeasures for conservation of ancient and famous trees in Laoshan, Qingdao, China." Ciência Rural 49, no. 10: 1.

Journal article
Published: 20 October 2008 in Chinese Journal of Eco-Agriculture
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ACS Style

Xu-Liang Zhang. Biogeochemical circulation and management countermeasures of N and P in coastal wetlands of southern Laizhou Bay. Chinese Journal of Eco-Agriculture 2008, 16, 1127 -1133.

AMA Style

Xu-Liang Zhang. Biogeochemical circulation and management countermeasures of N and P in coastal wetlands of southern Laizhou Bay. Chinese Journal of Eco-Agriculture. 2008; 16 (5):1127-1133.

Chicago/Turabian Style

Xu-Liang Zhang. 2008. "Biogeochemical circulation and management countermeasures of N and P in coastal wetlands of southern Laizhou Bay." Chinese Journal of Eco-Agriculture 16, no. 5: 1127-1133.