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  • Resource Evaluation
    MA Beibei, LU Chunxia, ZHANG Lei, CHENG Xiaoling
    Journal of Geographical Sciences. 2010, 20(3): 347-356. https://doi.org/10.1007/s11442-010-0347-y

    The issue of China’s energy supply security is not only the key problem which affects China’s rapid and sustainable development in the 21st century, but also the one which international attention focuses on. Based on the notable characteristic of spatial imbalance between energy production and consumption in China, this paper takes the evolution of China’s primary energy resources development(excluding hydropower) from 1949 to 2007 as the study object, with the aim to sum up the evolutive characteristics and laws of China’s energy resources development in the past nearly 60 years. Then, based on comprehensive considerations of coal’s, oil’s and natural gas’s basic reserves, qualities, geological conditions, production status, and ecological service function of every province, this paper adopts development potential index (DP)to evaluate the development potential of every province’s energy resources, and divide them into different ranks. Conclusions are drawn as follows: (1) Generally speaking, China’s gross energy production was increasing in waves from 1949 to 2007. From the viewpoint of spatial patterns, China’s energy resources development has shown a characteristic of “concentrating to the north and central areas, and evolving from linear-shaped to “T-shaped” pattern gradually since 1949. (2) The structure evolution of China’s energy resources development in general has shown a trend of “coal proportion is dominant but decreasing, while oil and gas proportions are increasing” since 1949. (3) At the provincial scale, China’s energy resources development potential could be divided into large, sub-large, general and small ranks, four in all. In the future, the spatial pattern of China’s energy production will evolve from “T-shaped” to “Π-shaped pattern”. These conclusions will help to clarify the temporal and spatial characteristics and laws of China’s energy resources development, and will be beneficial for China to design scientific and rational energy development strategies and plans, coordinate spatial imbalance of energy production and consumption, ensure national energy supply, avoid energy resources waste and disorderly development, and promote regional sustainable development under the globalization background with changeful international energy market.

  • Resource Evaluation
    HUANG Song
    Journal of Geographical Sciences. 2010, 20(3): 357-374. https://doi.org/10.1007/s11442-010-0357-9

    The geological heritage protection and its development at home and abroad reflect the progress in the aspect from the single protection to the coordination between protection and exploitation. The geopark established by UNESCO has closely combined the protection of geological heritages with the promotion of sustainable development of local economy, which has become the best way to protect geological heritages. The geological heritages in Xinjiang, China, are characterized by their large quantity, rich variety and high grade. The complicated geologic-geomorphic environment in Xinjiang contributes to the creation of various geological heritage types and their spatial distribution, and at the same time makes them under control. The main types of the geological heritages in Xinjiang are the geologic- geomorphic landscapes and the water landscapes. The spatial distribution can be divided into five geological heritage districts: Altay, Junggar, Tianshan, Tarim and Kunlun-Altun, among which Tianshan and Kunlun-Altun are most important. Based on the first systematic investigation of the geological heritages in Xinjiang, it is confirmed that the insufficient coordination between protection and exploitation is the primary cause for the backward situation in the geological heritage protection. To solve the problem, this paper proposes 6 major protection steps—from determining the protection types, the protection forms, the protection modes, the protection grades, the protection sequences to determining the protection zones, brings forward the idea of optimal-selection which integrates geoparks with geological heritage protection areas and other protection areas as well as 5 corresponding modes, and makes a protection and exploitation reserve list for 209 important geological heritages in Xinjiang.