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| 1 | 镉胁迫对芒草根际细菌群落结构、共发生网络和功能的影响显示文摘芒草(Miscanthus)作为第二代能源植物,已用于重金属污染土壤修复研究,但目前该过程中土壤细菌群落组成和功能研究开展较少.以芒草品种南荻(M.saccariflorus)为研究对象,通过高通量测序结合分子生态网络分析和PICRUSt功能预测,分析研究100 mg·kg^(-1) Cd的胁迫对芒草根际细菌群落组成、共发生网络和功能的影响.MiSeq测序表明芒草根际细菌群落由32个门和425个属的细菌组成,包含鞘氨醇单胞菌属(Sphingomonas)、芽孢杆菌属(Bacillus)、芽单胞菌属(Gemmatimonas)和链霉菌属(Streptomyces)等植物促生细菌(PGPR)种群.相似性分析(ANOSIM)和非参数多元方差分析(Adonis)表明,Cd的添加能显著影响芒草根际细菌群落组成,降低其群落多样性.同时分子生态网络分析表明Cd的添加降低了芒草根际细菌之间的相互作用,导致其网络结构更为简单;降低了网络缓冲环境变化的能力;提高了负相关连线数,使根际细菌物种之间的竞争关系更强;改变关键细菌组成.PICRUSt功能预测分析表明Cd的胁迫降低了芒草根际土壤细菌功能.本研究初步分析了芒草根际细菌群落组成及其对镉胁迫的响应,为后续调控芒草修复效率提供了基础. | 陈兆进 林立安 李英军 陈彦 张浩 韩辉 吴乃成 Nicola Fohrer 李玉英 任学敏 | 2021 | 环境科学2021,42,8: | 15 |
| 2 | 动态调水过程水文和理化因子共同驱动丹江口水库库湾浮游植物季节变化显示文摘丹江口水库是南水北调中线工程水源地,库湾是水库型湖泊水质安全敏感区,动态调水过程库湾水质直接关系到调水安全.为探究动态调水过程中丹江口水库库湾浮游植物季节变化规律和驱动因子,2018年7月2019年7月,从丹库入库口到渠首调水口,按季节对18个样点进行水质和浮游植物群落组成分析.从整个丹库来看,浮游植物全年总丰度变化范围为0.43×10^(3)~4.7×10^(6)cells/L,夏季最高,秋季最低;Shannon-Wiener指数春季最高,秋季最低.春季群落为硅藻绿藻型,夏季为绿藻硅藻型,秋季为蓝藻型,冬季为蓝藻绿藻硅藻型,秋季蓝藻相对丰度最高.位于丹库准保护区内的库湾胡寨,秋季水体电导率、总氮、总磷和叶绿素a浓度最大,蓝藻丰度最高.从入库口经库湾到调水口,浮游植物群落组成存在明显演替.从水文因子来看,秋季水库水位较高,调水流速和流量增加,线性回归分析表明,水位对Shannon-Wiener指数的影响最为明显,水位越高则多样性指数越低;流量和流速与Shannon-Wiener指数也呈负相关,但相关性较低.方差分解分析发现,水文因子和理化因子共同影响了浮游植物群落组成;偏Mantel分析显示3个库湾浮游植物群落组成与水温、氧化还原电位、化学需氧量、总氮和总磷浓度相关;典范对应分析也表明,总氮是影响库湾浮游植物群落组成最显著的环境因子.人类干扰活动改变了库湾水质理化性质,强干扰提高了蓝藻门丰度.因此,控制库湾人类干扰强度,尤其在水位和调水量较高的秋季,对于改善水体藻类组成、保护整个丹江口水库水质具有重要意义. | 闫雪燕 张鋆 李玉英 蒋叶青 崔真真 高肖飞 吴乃成 Fohrer Nicola 韩雪梅 | 2021 | 湖泊科学2021,33,5: | 11 |
| 3 | Comparison of two dif ferent approaches of sensitivity analysis显示文摘 | Lenhart L Eckhardt K Fohrer N | 2002 | Physics and Chemistry of the Earth2002,27,910: | 1 |
| 4 | Hydrologic respomse to land use changes on the catchment scale显示文摘 | Fohrer N Haverkamp S Eckhardt K | 2001 | Physics and Chemistry of the Earth(B)2001,26,78: | 1 |
| 5 | Long-term land use changes in a mesoscale watershed due to socio-economic factors-effects on landscape structures and functions显示文摘 | Weber A Fohrer N Moller D | 2001 | Ecological Modelling2001,140,12: | 1 |
| 6 | Effects of Land Use Changes on the Nutrient Balance in Mesoscale Catchments显示文摘 | LENHART T FOHRER N FREDE H G | 2003 | Physics and Chemistry of the Earth2003,28,33343536: | 1 |
| 7 | Comparison of two different approaches of sensitivity analysis显示文摘 | Lenhart T Eckhardt K Fohrer N | 2002 | Phys Chem Earth2002,27,910: | 1 |
| 8 | The evaluation of land-use options in mesescale catchments prospects and limitations of eco-hydrological models显示文摘 | H(o)rmann G Horn A Fohrer N | 2005 | Ecological Modelling2005,187,: | 1 |
| 9 | Comparison of twodifferent approachevS of sensitivity analysis 显示文摘 | Lenhart T Eckhardt K Fohrer N | 2002 | Physics andChemistry of the Earth Parts A/B/C2002,27,9: | 1 |
| 10 | Comparison of Two Different Approaches of Sensitivity Analysis 显示文摘 | LENHART L ECKHARD K FOHRER N | 2002 | Physics and Chemistry of the Earth2002,27,: | 1 |
| 11 | Hydrological Response to land use change on the catchment scale显示文摘 | FOHRER N HAVERKAMP S ECKHARDT K | 2001 | Physics Chemistry of The Earth: B2001,26,57: | 1 |
| 12 | Long-term land use changes in a mesoscale watershed due to socio-economic factors-Effects on landscape structures and functions 显示文摘 | Andrea W Fohrer N Moler D | 2001 | Ecological modeling2001,140,12: | 1 |
| 13 | Hydrologic response to land use changes on the catchment scale 显示文摘 | Fohrer N Haverkamp S Eckhardt K | 2001 | Physics and Chemistry of the Earth2001,26,: | 1 |
| 14 | Antifungal combination treatment:a future perspective显示文摘 | Fohrer C Fornecker L Nivoix Y | 2006 | Int J Antimicrob Agents2006,27,1: | 1 |
| 15 | Development and evaluation of a diatom-based index of biotic integrity (D-IBI) for rivers impacted by run-of-river dams 显示文摘 | WU Naicheng CAI Qinghua FOHRER N | 2012 | Ecological Indicators2012,18,: | 1 |
| 16 | Comparison of two different approaches of sensitivity analysis 显示文摘 | Lenhart T Eckhard K Fohrer N | 2002 | Physics and Chemistry of the Earth2002,27,: | 1 |
| 17 | The impact of land use change in the Xiangxi Catchment (China) on water balance and sediment transport显示文摘 | Bieger K Hmann G Fohrer N | 2015 | Regional Environmental Change2015,15,: | 1 |
| 18 | Effects of land use changes on the water balance of a rural watershed in a peripheral region显示文摘 | Fohrer N Eekhardt K Haverkamp S | 1999 | Journal of Rural Engineering and Devdopment1999,40,56: | 1 |
| 19 | Comparison of two different approaches of sensitivity analysis显示文摘 | Lenhart T Eckhardt K Fohrer N | 2002 | Physics and Chemistry of the Earth Parts A/B/C2002,27,9: | 1 |
| 20 | An interdisciplinary modelling approach to evaluate the effects of land use change显示文摘 | Fohrer N Moller D Steiner N | 2002 | Physics and Chemistry of the Earth2002,27,: | 1 |