韩博平
主要从事水域生态学研究,在浮游植物光合作用、浮游动物垂直迁移和水库生态学等基础理论研究方面取得了重要进展。
个性化签名
- 姓名:韩博平
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学术头衔:
博士生导师
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学科领域:
生态学
- 研究兴趣:主要从事水域生态学研究,在浮游植物光合作用、浮游动物垂直迁移和水库生态学等基础理论研究方面取得了重要进展。
韩博平教授,博士生指导教师, 暨南大学一级岗位特聘教授,水生生物学国家重点学科带头人,现任暨南大学水生生物学研究所所长。第十届国家自然科学基金委员生命科学部学科组成员,广东省学位委员会委员,中国生态学学会理事,广东省生态学会水域生态学专业委员会主任。中科院海洋所海洋生态学博士生导师。
1965年出生于江苏金坛市,1982年考入大连理工大学,1986年毕业,获学士学位,1989年于大连理工大学获硕士学位,1993年于厦门大学博士毕业,获理学博士。1993年6月至1995年6月于中山大学进行博士后研究。1995年7月调入暨南大学水生生物研究中心工作。1996年初入选广东省首批“千、百、十工程”省级学科带头人培养对象。1999年入选中国科学院”百人计划”. 1996年10月1998年9月由欧共体资助,先后在捷克科学院生物数学实验室、芬兰国家环境研究中心和西班牙的巴塞罗拉大学进行访问研究。受法国政府的资助, 2001-2004年期间,任法国居里夫妇大学(巴黎第六大学)访问教授。
主要研究领域与成果:主要从事水域生态学研究,近5年来,在浮游植物光合作用、浮游动物垂直迁移和水库生态学等基础理论研究方面取得了重要进展。在国际学术期刊发表论文20余篇(SCI收录),国内学术期刊论文45篇;著作2部。学术贡献:(1)提出的以光系统II为基本单元的光合作用动力学模型,从理论上阐明了经验性光合作用响应曲线(PI曲线)的生物学基础;该模型不仅为光系统II损伤及光合反应中心D1蛋白破坏的机理等基础理论问题的研究提供了重要的思路和线索,为自然水体中浮游植物光合作用和初级生产力研究提供了新的理论生长点。(2)与Straskraba教授一起,以逃避捕食假说为基础,提出了浮游动物昼夜垂直迁移的控制机制—可实现捕食压力最小变化率原理,在理论上证实光强的相对变化率是控制浮游动物垂直迁移昼夜节律的关键变量,它与浮游动物垂直迁移的速率成正比。(3)给出了基于不同个体大小的生物量谱之间的转换关系,并采用Euler方法建立了新的连续生物量谱动力学方程,将经典生物量谱理论的离散模型与连续模型统一起来,对生物量谱理论的发展作出了一定的贡献。(4)进一步完善了生态网络分析的理论方法,应用第二类结构矩阵表征了生态网络的分割与聚并分析,建立了生态网络中能量传递途经与效率计算的公式,为分析复杂生态系统中能量传递提供了定量化的研究方法。(5)以广东省典型水库为主要对象,系统开展了我国热带亚热带水库生态学研究,对该地区水库生态系统的基本特征有了较为完善的认识,揭示了热带亚热水库的水动力学特征及其对富营养化过程的影响,建立了基于水动力学的水库运行管理模式并应用于水库水质管理。研究工作为我国水库的水资源保护和水质管理提供技术支持,推动了我国热带亚热带地区水库生态学的研究。
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539
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成果数
11
韩博平, BO-PING HAN*† AND MILAN STRAS KRABA*‡
J. theor. Biol. (1998) 191. 259-265,-0001,():
-1年11月30日
Empirical biomass spectra in which biomass is measured in logarithmically equal body size intervals are different from those measured in linearly equal size intervals. Moreover, the scales of body size used by different authors may differ, e. g., length, volume, equivalent!sphere diameter and body mass. The discrete models derived to explain the regularity of the empirical spectra are dependent on the choice of size-scales and size!intervals. Hence, evaluating the effect of size scales and intervals on biomass spectra is helpful for understanding the size!structures of ecosystems. In the present contribution, we analyse the relationships between the size measures used frequently in expressing the empirical data and discuss the difference between the biomass spectra organized in logarithmically equal size intervals and those in linearly equal size intervals. On this basis, we present the distribution function of biomass spectral density and transformation to different size scales. After dexthe effect of size intervals on the distribution functions of biomass spectral density, we give an example of the calculation of this effect by assuming that the distribution function of biomass spectral density is an allometric relationship. Finally, we explore the influence of size intervals on the validity of three discrete models developed by Kerr, Sheldon and co!workers and Borgman.
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【期刊论文】Residence time of matter and energy in econetworks at steady state
韩博平, Bo-Ping Han*
B.-P. Han/Ecological Modelling 95(1997)301-310,-0001,():
-1年11月30日
In consequence of interactions between compartments, the matter or energy residence time in an econetwork is in nature distinct from that in a compartment. Based on the analysis of econetwork structure, a strategy is developed to calculate the matter or energy residence time in a general econetwork and the effects of self-, direct-and indirect interaction on econetwork residence time. Two typical examples are used to illustrate the strategy, the results show that total residence time equals the ratio of total standing stock to total system outflow or total system inflow instead of the ratio of total standing stock to total system throughput.
Residence time, Interaction, Econetwork
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【期刊论文】On the diversity of trophic structures and processes in ecosystems
韩博平, Bo-Ping Han *
B.-P. Han: Ecological Modelling 107(1998)51-62,-0001,():
-1年11月30日
The paper analyzes the overall diversity of trophic structures and processes at the organizational level of ecosystems. The overall diversity based on Lindeman's trophic dynamics is considered as one-dimensional diversity. By unfolding ecosystems, trophic structures and processes of ecosystems are expressed in two-dimensional space along compartment and trophic level axes. By use of the Shannon-Weaver diversity index, the overall diversity of two-dimensional distributions of standing stocks or throughflows, which are significantly different from those defined in one-dimensional space, is determined. When flows between compartments are partitioned across trophic levels we can determine the overall diversity of three-dimensional distribution of throughflows over two compartment axes and a trophic level axis. The relationships between these overall diversity indexes defined in the different dimensional spaces are formulated by use of trophic niches and trophic functions as suggested by Higashi et al. (1992). The three-dimensional diversity of throughflows fall into three parts. The first identifies the overall diversity of two-dimensional distribution along compartment and trophic level axes. The second indicates the average diversity of resources utilized in an ecosystem. The third specifies the transfer efficiency of flows in an ecosystem. The three-dimensional diversity of throughflows may support a new framework to understand trophic structures and processes. Two real ecosystems are examined through the calculation of overall diversity indexes. The results confirm the differences between diversity indexes defined in different dimensions. Out of all the diversity indexes, those related to paths (to the third-dimension) are more powerful to reveal differences in trophic structures and processes between the two ecosystems.
Diversity, Trophic structure, Network, Dimension
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【期刊论文】On several measures concerning flow variables in ecosystems
韩博平, Bo-Ping Han *
B.-P. Han/Ecological Modelling 104(1999)289-302,-0001,():
-1年11月30日
Institute of Hydrobiology, Jinan University, Guangzhou 510632, People's Republic of China Three measures-total residence time, total ecosystem throughput, and ratio of total standing stock to total system throughput-are investigated on the basis of an analysis of two types of structure matrices (or transitive closure matrices). The quantitative expression of total residence time given by Han (Han, B. P., 1997. Total residence time of ecosystem at steady state. Ecol. Modelling 95, 301-310) is proved to be equal to the ratio of total standing stock to total system outflow, that is, total residence time does not depend on ecosystem structure. Whereas total system throughflow is explicitly dependent on ecosystem structure, the ratio of total standing stock to total system throughflow not only depends on system structure but also on system state. Therefore, total system throughflow and the ratio of total standing stock to total system throughflow may measure ecosystem maturity or complexity. The ratio of total system throughflow to total system inflow or total system outflow is defined as the flow multiplying index instead of average path length, for the throughflow which equals the difference between total system throughput and total system inflow results from the interaction between compartments, i. e. reutilization of total system inflow. By dividing two types of structure matrices (transitive closure matrices) into cycling matrices and noncycling matrices, which correspond to first and subsequent passage flows, respectively, the contribution of cycling paths and noncycling paths to the three measures can be understood.
Complexity, Ecosystem, Flow analysis, Measure, Structure
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【期刊论文】The thermal structure of Sau Reservoir (NE: Spain): a simulation approach
韩博平, Bo-Ping Han a, b, Joan Armengol a, *, Juan Carlos Garcia a, Marta Comerma a, Montse Roura a, c, Josep Dolz c, Milan Straskraba d
B.-P. Han et al.: Ecological Modelling 125(2000)109-122,-0001,():
-1年11月30日
In this study, a 1D model of reservoir hydrodynamics DYRESM has been applied to Sau Reservoir, a river valley reservoir in the North-Eastern Spain. Simulation is undertaken for 3 years (1995-1997). Meteorological input data measured at the dam are only available from May of 1997. In this case the simulation results fit measured temperatures very well. In the remaining periods, some meteorological data (radiation, wind and rainfall) were obtained from two nearby stations. Simulated temperature distribution in 1996 is close to the observed one. In 1995, however, the simulated result is far from the observed data. Inflows, outflow and local meteorological events such as storms and gusts of wind seem to be responsible for the differences. By changing some parameters, the effects of flow, light extinction coefficient and outlet elevation on thermal stratification are investigated. Simulations demonstrate that the inflow with high temperature is the main factor controlling the thermal structure in Sau Reservoir and demonstrate that the effect of residence time on thermal stratification is manifested mainly by the changes in the depth of thermocline.
Thermal stratification, Numerical simulation, Sau Reservoir
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【期刊论文】Zooplankton Distribution in Tropical Reservoirs, South China
韩博平, QIU-QI LIN, SHUN-SHAN DUAN, REN HU and BO-PING HAN*
Internat. Rev. Hydrobiol. 88(2003)602-613,-0001,():
-1年11月30日
The zooplankton of 18 reservoirs of South China was investigated in 2000. 61 Rotifera species, 23 Cladoceras and 14 Copepodas were identified. The most frequent Rotifera genera were Keratella, Brachionus, Trichocerca, Diurella, Ascomorpha, Polyarthra, Ploesoma, Asplanchna, Pompholyx and Conochilus. Bosmina longirostris, Bosminopsis deitersi, Diaphanosoma birgei, D. brachyurum and Moina micrura were typical of Cladocera in the reservoirs. Phyllodiaptomus tunguidus, Neodiaptomus schmackeri and Mesocyclops leuckarti were the most frequent Copepoda and M. leuckarti dominated Copepoda in most reservoirs. High zooplankton species richness with low abundance was characteristic of the throughflowing reservoir, whereas low species richness with low abundance was found in the reservoir with the longest retention time. Relative high abundance and medium species diversity were the distinction of intermediate retention time reservoirs.
zooplankton,, species richness,, abundance,, retention time,, tropical reservoirs
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【期刊论文】Size dependence of biomass spectra and abundance spectra: the optimal distributions
韩博平, Bo-Ping Han a, b, *, Milan Straskraba b,
Ecological Modelling 145(2001)175-187,-0001,():
-1年11月30日
nity or group, which characterizes the mean rate of energy consumption in a community. Models 1 and 2 generate peaked distributions of biomass spectral density whereas Model 3 generates a flat distribution. In Model 4, the distributions of biomass spectral density and of abundance spectral density depend on the Lagrangian multipler (λ2). When λ2 tends to zero or equals zero, the distributions of biomass spectral density and of abundance spectral density correspond to those from Model 3. When λ2 has a large negative value, the biomass spectrum is similar to the empirical flat biomass spectrum organized in logarithmic size intervals. When λ2>0, the biomass spectral density increases with body mass and the distribution of abundance spectral density is an unimodal curve.
Size spectra, Optimal distribution, Biomass, Abundance
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【期刊论文】Control Mechanisms of Diel Vertical Migration: Theoretical Assumptions
韩博平, BO-PING HAN, *†‡§ ANDMILAN STRAS KRABA‡
J. theor. Biol. (2001) 210, 305-318,-0001,():
-1年11月30日
We explore control mechanisms underlying the vertical migration of zooplankton in the water column under the predator-avoidance hypothesis. Two groups of assumptions in which the organisms are assumed to migrate vertically in order to minimize realized or effective predation pressure (type-I) and to minimize changes in realized or e!ective predation pressure (type-II), respectively, are investigated. Realized predation pressure is defined as the product of light intensity and relative predation abundance and the part of realized predation pressure that really affects organisms is termed as effective predation pressure. Although both types of assumptions can lead to the migration of zooplankton to avoid the mortality from predators, only the mechanisms based on type-II assumptions permit zooplankton to undergo a normal diel vertical migration (morning descent and evening ascent). The assumption of minimizing changes in realized predation pressure is based on consideration of DVM induction only by light intensity and predators. The assumption of minimizing changes in effective predation pressure takes into account, apart from light and predators also the effects of food and temperature. The latter assumption results in the same expression of migration velocity as the former one when both food and temperature are constant over water depth. A significant characteristic of the two type-II assumptions is that the relative change in light intensity plays a primary role in determining the migration velocity. The photoresponse is modified by other environmental variables: predation pressure, food and temperature. Both light and predation pressure are necessary for organisms to undertake DVM. We analyse the effect of each single variable. The modification of the phototaxis of migratory organisms depends on the vertical distribution of these variables.
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韩博平, Bo-PING HAN*†, MARKKU VIRTANEN*, JORMA KOPONEN* AND MILAN STRAšKRABA†§
J.theor. Biol. (1999) 197,439-450,-0001,():
-1年11月30日
Based on a model of light lindted growth, Huisman and Weissing found that in a well mixed water column with constant light supply (energy reaching the water surface), equilibrium growth and competition of phytoplankton for light can be characterised by a critical light intensity at the base of the colunm (I*out). The present study attempts to give a further insight into this model. We first analyse the dependence of the critical light intensity on four parameters: initial slope of the photosynthesis-inntensity (p-I) curve, maxinaal photosynthetic rate, the light-saturated parameter Ik and specific carbon loss rate. Increases in the first two parameters tend to reduce the critical light intensity and increases in the last two tend to increase the critical light intensity. Then we analyse the performance of the model under variable light supply with a time-scale of 1 day (24hr). Within this time-scale, the critical light intensity changes with time. However, the equilibrium growth and the outcome of competition for light can be adequately characterised by critical light extinction defined as the upper lindt of total light extinction due to both biomass and non-living matter in the water column. Under constant light supply, a critical light intensity uniquely corresponds to a critical light extinction. Therefore, critical light extinction can be utilised to predict the equilibrimn growth and the outcome of competition under both constant and variable light supply. By changing the maximal light supply at noon, seasonal succession of species composition of conmmnities is investigated. The possible effect of two typical photoresponses, photoadaptation and photoinhibition, on growth and competition are discussed.
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【期刊论文】Photosynthesis+Irradiance Response at Physiological Level: a Mechanistic Model
韩博平, BO-PING HAN*†‡
J. theor. Biol. (2001) 213, 121-127,-0001,():
-1年11月30日
A mechanistic model is developed to present the photosynthetic response of phytoplankton to irradiance at the physiological level. The model is operated on photosynthetic units (PSU), and each PSU is assumed to have two states: reactive and activated. Light absorption that drives a reactive PSU into the activated state results from the e!ective absorption of the PSU. Transitions between the two states are asymmetrical in rate. A PSU in the reactive state becomes activated much faster than it recovers from the activated state to the reactive one. The turnover time for an activated PSU to transit into the reactive one is defined by the turnover time of the electron transport chain. The present model yields a photosynthesis-irradiance curve (PE-curve) in a hyperbola, which is described by three physiological parameters: effective cross-section (σPSII), turnover time of electron transport chain (τ) and number of PSUs (N). The PE-curve has an initial slope of σpus×N, a half-saturated irradiance of 1/(τσPSII), and a maximal photosynthetic rate of τN/at the saturated irradiance. The PE-curve from the present model is comparable to the empirical function based on the target theory described by the Poisson distribution.
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