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姜仕军
 姜仕军,博士,研究员,博士生导师。
Email: sjiang@jnu.edu.cn

美国佛罗里达州立大学博士,宾夕法利亚州立大学博士后,2010年暨南大学特需人才计划引进,水生生物学国家重点学科长期生态学方向学术带头人,广东省第六批 “千百十工程”培养对象。曾任佛罗里达州立大学研究科学家和客座教授、美国BugWare石油咨询公司生物地层专家,掌握世界主要石油巨头高精度生物地层的核心技术。

研究领域
生态系统对快速环境变化的响应及其后的恢复。目前的研究重心在于,全球变暖和人类活动等环境变化对华南水域生态系统的影响,特别是珠江三角洲地区经济高速发展对水库、河流、湖泊、河口等水环境带来的冲击。

研究手段
主要利用生物组合、稳定同位素、沉积地球化学、生物标志物以及多元统计等手段,其中包括历史记录、摇蚊、硅藻、花粉、13C、15N、18O以及沉积物粒度、磁化率和元素组成等。

研究目标和意义
从系统角度综合、全面地重建生态系统演变过程并将其可视化,探索其动态演变过程中的弹性、变化和阈值,为生态管理和预警提供科学依据。同时,利用区域研究中生物环境演化的时空关系,探讨生物演化和生态系统理论中的基本科学问题。

Welcome to LEcoL
 People in the Long-term Ecology Laboratory (LEcoL) at JiNan University are motivated by a desire to understand how species and communities interact with environment in view of ecosystem dynamics. Our research focuses on biotic responses to environmental change and the dynamic processes of aquatic ecosystems over a range of timescales. Current research is designed to answer how rapid environmental change induced by global warming and anthropogenic activities has impacted the aquatic ecosystem of South China, in particular, how the fast economic growth of Pearl River Delta region has adversely changed the aquatic environments such as reservoirs, rivers, lakes, and estuaries. 
We use a variety of proxies and techniques to reconstruct and visualize long-term ecosystem dynamics including historical records, chironomids, diatoms, pollen, stable isotopes (δ13C, δ15N, δ18O), organic biomarkers, as well as sediment grain size, magnetic susceptibility and inorganic geochemistry. This enables us to determine the ecological and evolutionary processes occurring on timescales ranging from years to millions of years. 
Research topics covered fall broadly into four categories: (i) factors influencing community structure and population dynamics in aquatic communities; (ii) recovery of aquatic species, ecosystems, and biogeochemical cycles from the ecological crises; (iii) examination of ecosystem resilience, variability and thresholds, and of drivers of ecosystem evolution and (iv) tools and methods that can be used to further our understanding of ecosystem dynamics. These research topics are developed to provide scientific basis for ecosystem administration and early warning in economically fast-growing regions in China.

研究兴趣
•   水域生态系统对快速环境变化的影响及其后的恢复;
•   稳定同位素(13C, 15N,18O)、生物标志物和沉积地球化学在长期生态学研究中的应用;
•   利用多元统计方法分析地质和生态数据;
•   钙质超微化石的分类、演化和生物地层,以及其在长期生态和气候学、层序地层、石油勘探开发等中的应用。

研究特色
•   定量化+多手段:利用多元统计分析实验和观测数据并定量解释;有机地揉合地质、地球化学、生物、生态、海洋等学科知识;多点研究、对比与综合。有助于拓宽知识面。
•   趣味性+挑战性:使用和操纵大型科研设备在不同地区进行野外工作,在室内分析化验,培养和锻炼适应能力。
•   科学性+实用性:利用案例分析,不仅探究环境对生物演化和地理分布影响等基本科学问题,而且为生态系统管理和早期预警提供依据,为恢复受损生态系统提供参考指标。
•   将今论古+古为今用:有机、辩证地将历史数据和现代观测结合。

科研项目
1)   暨南大学特需人才启动项目:晚第四纪以来湖光岩玛珥湖水温和生态变化所揭示的东南亚季风演化及水生生物学长期生态学学科组建设(2010-2012),负责人
2)   美国海洋领导联合会(U.S. Consortium for Ocean Leadership):Lower Pliocene–upper Miocene calcareous nannofossil biostratigraphy of Site C0009, IODP Expedition 319 in Nankai Trough off Japan (Task Order T319A33,2009.9-2012.6),负责人
3)   国家自然科学基金委-广东省政府自然科学联合基金重点项目:抚仙湖浮游甲壳动物的碳源及其演变(2011-2014),主要参加人
4)   国家科技部《国家重点基础研究发展计划》(973项目2012CB822000):晚中生代温室地球气候—环境演变(2012-2016),技术骨干

近5年代表性学术论文(第一作者)
•   2010: Geographic controls on nannoplankton extinction across the Cretaceous-Paleogene boundary. Nature Geoscience, 3(4): 280–285. (该论文被Nature、Science Daily等3000多家媒体报道为研究亮点和重大科学突破,详见http://www.sciencedaily.com/releases/2010/03/100301102805.htm和http://www.nature.com/news/2010/100228/full/news.2010.94.html)
•   2009: Distinguishing the influence of diagenesis on the reconstruction of nannoplankton productivity across the Paleocene/Eocene Thermal Maximum: An example from the Kerguelen Plateau, Southern Indian Ocean. Marine Micropaleontology, 72(1-2): 49–59.
•   2007: Taxonomic note: A new Coccolithus species that thrived during the Paleocene/Eocene Thermal Maximum. Journal of Nannoplankton Research, 29(2): 88–91.
•   2007: Cause of the middle/late Miocene carbonate crash: dissolution or low productivity? Proc. ODP, Sci. Results, 206: 1–24.
•   2007: Upper Cenozoic calcareous nannofossil biostratigraphy and inferred sedimentation, ODP Leg 206, East Pacific Rise. Proc. ODP, Sci. Results, 206: 1–25.
•   2007: Abrupt turnover in calcareous-nannoplankton assemblages across the Paleocene/Eocene Thermal Maximum: implications for surface-water oligotrophy over the Kerguelen Plateau, Southern Indian Ocean. In Antarctica: A Keystone in a Changing World – Online Proceedings of the 10th ISAES, edited by A. K. Cooper and C. R. Raymond et al., USGS Open-File Report 2007-1047, Short Research Paper 024, 5p.
•   2006: Surface-water chemistry and fertility variations in the tropical Atlantic across the Paleocene/Eocene Thermal Maximum as evidenced by calcareous nannoplankton from ODP Leg 207, Hole 1259B. Revue de micropaléontologie, 49(4): 227–244.
•   2006: Taxonomic note: Discoaster stellulus Gartner, 1967, emended. Journal of Nannoplankton Research, 28(2): 81–83.
 
 
 
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