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1. The structure of Biogeochemistry research group;
Group leader:
Han Xingguo ( Research Professor )
Group member:
Bai Yongfei (Associate Research Professor)
Pan Qingmin (Associate Research Professor)
Zhang Lixia (Assistant Research Professor)
2. The brief introduction of the group leader;
Title and Name in full: Dr. Xingguo Han
Date of Birth: 14th June 1959
Academic qualifications
Ph.D. (1989) Title: The mobilization of iron- and aluminum-bound phosphorus by naturally occurring organic acids in highly weathered acid soils. The Institute of Ecology, University of Georgia, Athens, USA
Research experiences
Since 1998: Research Professor, Institute of botany , the Chinese Academy of Sciences.
1996-97: Research Professor, Xishuangbana Tropical Botanical Garden, the Chinese Academy of Sciences.
1994-95: Associate Research Professor, Center for Plant Ecology, Institute of Botany, the Chinese Academy of Sciences.
1992-94: Associate Research Professor, Beijing Forest Ecosystem Research Station, the Chinese Academy of Sciences.
1990-92: Post Doctor, Rutgers University, and Visiting Professor of William Paterson College, USA
1989-90: Post Doctor, University of Arkansas, USA
Professional activities and memberships
1. Standing member for the Chinese Ecological Society since 1996.
2. President of the Botanical Society of China since 2003.
3. Research directions;
The research directions of BGR(Biogeochemistry Research Group)are mainly related to biogeochemistry in terrestrial ecosystems in China. Currently, there are four research themes that focus BRG research activities. These themes address:
1¡¢ Mechanisms of the formations of primary and secondary productivities in grassland ecosystems and forest ecosystems;
2¡¢ The relationship between ratios of C, N, P, S and succession of community in grasslands and forests;
3¡¢The Application of the technology of stable isotope in biogeochemistry processes
4¡¢Interactions of the major biogeochemical cycles, especially between carbon and nitrogen cycles, in terrestrial ecosystems.
4. On going research projects;
1) Project name: Experimental and demonstrative studies on the conservation, restoration and sustainable utilization of grassland resources in the Hunshandake sand land and the agro-pastoral ecotone;
Project type: Key Project of the Knowledge Innovative Program, sponsored by the Chinese Academy of Sciences
Research duration: Jan. 2000- Dec. 2004.
Research Objectives: Choosing the Hunshandake sand land and the Xilingol grassland and the agro-pastoral ecotone as main research areas, this project is designed: (1) to develop strategies and approaches on how to comprehensively regulate ecological environments of these areas; (2) to exploit and study the economic and integrative techniques for reconstruction of vegetation of the sand land; and (3) to improve the degraded grassland and to restore damaged agro-ecosystems. We set up three high-level demonstrative areas for comprehensive experimentation and demonstration, which are to provide theoretical and technological supports for ecological restoration as well as to stimulate the sustainable development of the social economy.
Research contents:
a. The basic mechanisms for restoration and reconstruction of the degraded ecosystems in the Hunshandake sand land and the agro-pastoral ecotones;
b. The practical methods for vegetation restoration and reconstruction in the Hunshandake sand land;
c. The techniques for improvement and restoration of degraded grassland in the Xilingol region;
d. New models for regional ecosystem management and animal grazing.
2)Project name: Ecosystem productivity and its regulating mechanisms in agro-pastoral zone
Project type: The State Key Basic Research and Development Plan of China: sub-project
Research duration: Oct. 2000-Sept. 2005
Research objectives: (1) to examine the effects of hydrological and biogeochemical factors on the determination and regulation of grassland productivity, (2) to apply appropriate methods to regulate the agro-pastoral complex ecosystems; (3) to develop new ways as to how to increase water and nutrient use efficiency, and to enhance ecosystem productivity of the agro-pastoral complex ecosystems; and (4) to provide theoretical and technical support for regional vegetation construction and the establishment of an efficient, stable and sustainable agro-pastoral complex ecosystem.
Research contents:
a. Study on the physiological and ecological processes influencing primary productivity in grassland and agro-pastoral complex ecosystems;
b. Development of new methods on increasing secondary and tertiary productivity in grassland and farmland-pastoral compound ecosystem;
c. Water, energy and gas exchange in soil-plant-atmosphere system in the agro-pastoral zone;
d. Biogeochemical cycling of important elements (C, N, P and S) in grassland and agro-pastoral complex ecosystem.
3)Project name: Development of new strategies for optimization of ecologically- and production-based systems in the typical grassland area.
Project type:The State Key Basic Research and Development Plan of China: sub-project
Research duration: Oct. 2000-Sept. 2005
Research objectives: To establish optimized models for ecologically- and production-based systems in the typical grassland area and to provide basic dataset, method and theoretical basis for ecosystem management
Research content:
a. Study on the capacity, industry structure and driving factors in typical grassland area;
b. Analysis of optimized ecologically- and production-based complex systems in the typical grassland area;
c. Comprehensive evaluation of the environmental, economic and social benefits of ecologically- and production-based complex systems.
5. The research fields can be cooperated with;
1¡¢The Application of the technology of stable isotope in biogeochemistry processes
2¡¢Nitrogen availability, mineralization and nitrification in warm temperate grassland ecosystems and forest ecosystems in China
3¡¢Responses of grassland and forest ecosystems in China to global change
4¡¢The relationship between ratios of C, N, P, S and succession of community in grasslands and forests
5¡¢Effects of plant dead and live roots on nitrogen cycling and underground food web
7¡¢Affects of soil heterogeneity on vegetation
8¡¢Affects of soil organic on soil phosphorus status
6. The research results;
Publications
Monographs
Chen Lingzhi, Chen Weilie, Han Xingguo, and He Jinsheng, 1995. Theories and methodologies in the restoration of degraded forest ecosystems. Beijing: China Science & Technology Press. 246p
Jiang Zhigang, Ma Keping, Han Xingguo, 1997. Conservation Biology. Hangzhou: Zhejiang Science and Technology Publishing House. 263p
Han Xingguo, Li Linghao, Huang Jianhui (eds), 1999. The introduction to biogeochemistry. Beijing: China Higher Education Press
Wu Jianguo, Xingguo Han, Jianhui Huang (eds), 2002. Lectures in modern ecology (II): From basic science to environmental issues. Beijing: Chinese Science and Technology Press
Chapters in books
Han, X. 1995. The island biographical theory and its applications in biodiversity conservation. Pp. 83-103. In: Principles and Methodologies of Biodiversity Research (Y. Qian and K. Ma eds.). China Science & Technology Press, Beijing..
Han, X. 1996. The succession theory and its applications in the restoration and rehabilitation of degraded ecosystems. Pp. 1-15. In: Theories and Methods in Restoration Ecology (L. Chen, W. Chen, J. He and X. Han, eds). China Science and Technology Press. Beijing. (in chinese).
Articles in refereed journals
Han Xingguo, 1995. Effects of organic matter on plant growth and phosphotase activity in a highly weathered Ultisol. Chinese Journal of Botany 7(1): 65-74.
Han Xingguo and C.F. Jordan, 1995. Mobilization of phosphorus by naturally occurring organic acids in Oxisols and Ultisols. Pedosphere 5(4): 289-303.
Zhu W., J.G. Ehrenfeld, R.W. Parmelee, W.F.J. Parsons and X. Han, 1996. The effects of live and dead roots on soil fungi in spodsolic soils of the New Jersey Pinelands. Biol. Fertil. Soils 21: 215-226.
Parmelee, R.W., J.G. Erenfeld, X. Han and W. Zhu, 1995. Effects of dead pine root inputs on soil fauna and the decomposition of dead roots in a spodosol soil from the New Jersey pinelands. Acta Zool. Fennica. 196: 27-32.
Han Xingguo, 1996. Effect of critic acid, glucose and organic matter on plant P uptake and soil P fractionations in a highly weathered Ultisol. Acta Phytoecologia Sinica 20(2): 97-112.
Han Xingguo and D.C. Wolf, 1996. Phosphorus availability in tow soils amended with poultry litter. Journal. of Environmental Sciences 8(4): 484-491.
Ehrenfeld, J.G., W.F.G. Parsons, X. Han, R.W. Parmelee and W. Zhu, 1998. Live and dead roots in forest horizons: contrasting effects on nitrogen dynamics. Ecology 78:348-365¡£
Ehrenfeld, J.G., X. Han, W.F.J. Parsons and W. Zhu, 1996. On the nature of environmental gradients: temporal and spatial variability of soils and vegetation in the New Jersey Pinelands. Journal of Ecology 85:785-798¡£
Han, X., J. Huang and Z. Lou. 1995. The importance and problems of the keystone species concept in biodiversity conservation. Chinese Bulletin of Botany 12: 168-184. (in Chinese).
Huang J., and X. Han. Biogeochemical cycles in forest ecosystems: Theory and methods. Bulletin of Botany 12: 195-223. (in Chinese).
Huang, J., and X. Han. 1995. Biodiversity and ecological stability. Chinese Biodiversity 4: 31-37.
Jiang G., X. Han, G. Zhou, 1996. Changes of atmospheric CO2, photosynthesis of the grass layer and soil CO2 evolution in a typical temperate deciduous forest stand in the mountainous areas of Beijing. Acta Botanica Sinica 39: 653-660
Jiang Gaoming, Han Xingguo, Lin Guanghui, 1997. Response of plant growth to elevated [CO2]: a review on the chief methods and basic conclusions based on experiments in the external countries in past decade. Acta Phytoecologica Sinica 21(6): 489-502
Jian-hui Huang, Xing-guo Han, Ling-zhi Chen, 1998. Studies on litter decomposition processes in a temperate forest ecosystem. I. Change of organic matter in oak (Quercus liaotungensis Koidz.) twigs. Ecological Research 13(2) 163-170
Yan Chang-Rong, Han Xing-Guo, Chen Ling-Zhi, Huang Jian-Hui, Su Bo, 1998. Foliar ¦Ä13C within temperate deciduous forest: its spatial change and interspecies variation. Acta Botanica Sinica 40(9): 853-859
Han Xingguo, 1994. Nitrogen mineralization and nitrification in four flouristically distinct forest at Huyck Preserve. Proceedings of VI International Congress of Ecology. p159.
Huang Jianhui, Xingguo Han, Keping Ma, 2002. Roles of species in ecosystems functions. Pp: 26~39. In: Jianguo Wu, Xingguo Han, Jianhui Huang eds. Lectures in modern ecology (II): From basic science to environmental issues. Beijing: Chinese Science and Technology Press
Bo Su, Xingguo Han, Chunmei Qu, Jianhui Huang, 2002. Effects of species composition and species diversity on soil properties in warm temperate forest ecosystems of Dongling Mountainous region, Beijing. Ekologia (Bratislava) 21(2): 119~128
Huang Jianhui, Han Xingguo, 2001Keystone species: What is the keystoness? Acta Phytoecologica Sinica 25(4)£º505~509
Li Guicai, Han Xingguo, Huang Jianhui, Tang Jianwei, 2001. Dry season dynamics of soil inorganic nitrogen pools in primary Lithocarpus xylocarpus forest and degraded vegetation in Ailao Mountain, Yunnan Province. Acta Phytoecologica Sinica 25(2)£º210~217
Su Bo, Han Xingguo, Qu Chunmei, Huang Jianhui, 2001. Net nitrogen mineralization and nitrification in one pure pine (Pinus tabulaeformis) forest and one pione-oak mixed forest in Dongling mountainous region. Acta Phytoecologica Sinica 25(2)£º195~203
Qu Chunmei, Han Xingguo, Su Bo, Huang Jianhui, Jiang Gaoming, 2001The Characteristics of foliar d13C values of plantsand plant use efficiency indicated by d13C values in two fragmented rainforests in Xishuangbanna, Yunnan. Acta Botanica Sinica 43(2)£º186~192
Qu Chunmei, Han Xingguo, Su Bo, Huang Jianhui, Jiang Gaoming, 2001.Edge effects of plant water use efficiency indicatedby foliar d13C value in a fragmented seasonal rainforest in Xishungbanna. Acta Phytoecologica Sinica 25(1)£º1~5
Huang Jianhui, Bai Yongfei, Han Xingguo, 2001. Effects of species diversity on ecosystem functioning: mechanisms and hypotheses. Biodiversity Science 9(1)£º1~7
Su Bo, Han Xingguo, Li Linghao, Huang Jianhui, Bai Yongfei, Qu Chunfei, 2000. Responses of d13C value and water use efficiency of plant species to environmental gradients along the grassland zone of Northeast China Transect. Acta Phytoecologica Sinica 24(6)£º648~655
Huang Jianhui, Han Xingguo, Chen Lingzhi. 1999. Advances in the research of (fine) root biomass in forest ecosystems. Acta Ecologica Sinica. 19(2): 270-277.
Su Bo, Han Xingguo, Huang Jianhui. 1999. Application of 15N natural abundance method to the research on nitrogen cycling in natural ecosystems. Acta Ecologica Sinica. 19(3): 408-426.
Huang Jianhui, Chen Lingzhi, Han Xingguo, 2000. Changes of some major and micro-nutrients during the decomposition process of oak twigs. Acta Ecologica Sinica 20: 229~234
Huang Jianhui, Li Haitao, Han Xingguo, Chen Lingzhi, 2000. Nutrient characteristics of stemflow and throughfall in two coniferous forest ecosystems. Acta Phytoecologica Sinica 24: 248~251
Yan Changrong, Chen Lingzhi, Huang Jianhui, Han Xingguo, 1999. A study on nutrient cycling of pine stands in eastern part of China. Acta Phytoecologica Sinica 23: 351~360
Huang Jianhui, Han Xingguo, 1999. Nitrogen cycling of the earth. In: Han Xingguo, Li Linghao, Huang Jianhui (eds). The introduction to biogeochemistry. Beijing: the China Higher Education Press. 197~244
Huang Jian-Hui, Han Xingguo, Chen Lingzhi, 1998. Studies on litter decomposition processes in a temperate forest ecosystem. I. Change of organic matter in oak (Quercus lisotungensis Koidz.) twigs. Ecological Research 13(2): 163~170
Huang Jianhui, Chen Lingzhi, Han Xingguo, 1998. Changes of nutrient concentration during the decomposition process of oak twigs. Acta Phytoecologica Sinica 22: 398~402
Huang, H., X. Han, L. Kang, P. Raven, P. W. Jackson, Y. Chen. 2002. Conserving native plants in China. Science 297: 935-936.
Pan Qingmin, Han Xingguo, Bai Yongfei, Yang Jingcheng, 2002. Advances in physiological and ecological studies on stored non-structure carbohydrates in plants. Chinese Bulletin of Botany 19(1): 30~38
Chen Shiping, Bai Yongfei, Han Xingguo, 2002. Applications of stable carbon isotope techniques to ecological research. Acta Phytoecologica Sinica 26(5): 549~560
Zhang Huayong, Wu Jianguo, Han Xingguo, 2002. The organizational order of vegetation and its global pattern. Acta Phytoecologica Sinica26(2): 129~139
Huang Jianhui, Xingguo Han, Keping Ma, 2002. Roles of species in ecosystems functions. Pp: 26~39. In: Jianguo Wu, Xingguo Han, Jianhui Huang eds. Lectures in modern ecology (II): From basic science to environmental issues. Beijing: Chinese Science and Technology Press
Bo Su, Xingguo Han, Chunmei Qu, Jianhui Huang, 2002. Effects of species composition and species diversity on soil properties in warm temperate forest ecosystems of Dongling Mountainous region, Beijing. Ekologia (Bratislava) 21(2): 119~128
Wu, Jianguo; Huang, Jianhui; Han, Xingguo; Xie, Zongqiang; Gao, Xianming, 2003. Three-Gorges Dam--Experiment in Habitat Fragmentation? Science 300(5623): 1239~1240
Huang Jianhui, Han Xingguo, Yang Qiner, Bai Yongfei, 2003. Fundamentals of invasive species biology and ecology. Biodiversity Science 11(3): 240~247
Li Guicai, Han Xingguo, Huang Jianhui, Wang Changyao, 2003. Dynamics of soil inorganic nitrogen in middle mountain moist evergreen broadleaf forest under different disturbance intensities in Ailao Mountain. Chinese Journal of Applied Ecology 14(8): 1251~1256
Wu J, Huang J, and Han X. 2003. A response to Three-Gorges Dam: Risk to ancient fish. Science 302:1149~1150.
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