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Seismic analysis of the South China RegionMak, Sum., 麥琛. January 2005 (has links)
published_or_final_version / abstract / toc / Earth Sciences / Master / Master of Philosophy
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Spatiotemporal Variation of Karst Ecosystem Service Values and Its Correlation With Environmental Factors in Northwest Guangxi, ChinaZhang, Mingyang, Zhang, Chunhua, Wang, Kelin, Yue, Yuemin, Qi, Xiangkun, Fan, Feide 01 November 2011 (has links)
In this investigation we analyzed the spatiotemporal variation of ecosystem service values (ESVs) and its correlation with numerous environmental factors (EFs) for the karst region of Northwest Guangxi, China, from 1985 to 2005 using remote sensing, geographic information systems (GIS) and statistical techniques. The results indicate that historically ESVs for this karst region decreased from 1985 (109.652 billion Yuan) to 1990 (88.789 billion Yuan) and then increased at the turn of the twenty-first century. However, the ESVs in both 2000 (103.384 billion Yuan) and 2005 (106.257 billion Yuan) never achieved the level recorded in 1985. The total of nutrient cycling, organic production and gas regulation combined were 72.69, 64.57, 70.18 and 72.10% of ESVs in 1985, 1990, 2000 and 2005, respectively. In contrast, the ESVs of water conservation, soil reservation, recreation and culture were determined to be relatively low contributing only 17.44, 23.82, 19.26 and 24.76% of total ESVs, respectively, during these four years. With regards to the spatial distribution of ESVs, larger values were recorded in the west and smaller ones recorded in the east. The most significant factors that were deemed to influence ESVs are annual rainfall, per capita cropland, slope and vegetation coverage. Annual rainfall and slope exert a negative force, whereas per capita cropland and vegetation coverage exert a positive force on ESVs. The results of the study would suggest that ecosystem conditions of this important karst region have been improved as the result of the implementation of rocky desertification control policies.
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瑤山的学校教育: 中国广西土瑤的民族志研究. / Schooling in the Yao Mountains, an ethnographic study of the Tu Yao in Guangxi, China / 中国广西土瑤的民族志研究 / Ethnographic study of the Tu Yao in Guangxi, China / Schooling in the Yao Mountains an ethnographic study of the Tu Yao in Guangxi, China (Chinese text) / CUHK electronic theses & dissertations collection / Digital dissertation consortium / Yao Shan de xue xiao jiao yu: Zhongguo Guangxi Tu Yao de min zu zhi yan jiu. / Zhongguo Guangxi Tu Yao de min zu zhi yan jiuJanuary 2002 (has links)
袁同凯. / 论文(哲学博士)--香港中文大学, 2002. / 参考文献 (p. 235-255). / 中英文摘要. / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Electronic reproduction. Ann Arbor, MI : ProQuest Information and Learning Company, [200-] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Mode of access: World Wide Web. / Yuan Tongkai. / Zhong Ying wen zhai yao. / Lun wen (zhe xue bo shi)--Xianggang Zhong wen da xue, 2002. / Can kao wen xian (p. 235-255).
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