GSTDTAP  > 资源环境科学
DOI10.1029/2017WR022401
Profound Changes in the Physical Environment of Lake Taihu From 25 Years of Long-Term Observations: Implications for Algal Bloom Outbreaks and Aquatic Macrophyte Loss
Zhang, Yunlin1,2; Qin, Boqiang1,2; Zhu, Guangwei1,2; Shi, Kun1,2; Zhou, Yongqiang1,2
2018-07-01
发表期刊WATER RESOURCES RESEARCH
ISSN0043-1397
EISSN1944-7973
出版年2018
卷号54期号:7页码:4319-4331
文章类型Article
语种英语
国家Peoples R China
英文摘要

The global environment has experienced rapid changes over the past three decades, including global warming, global dimming and brightening, and abnormal climate fluctuations. However, direct evidence of global change in the regional physical environment of a lake is rare especially in China because long-term observations are lacking. Here we demonstrate the profound changes in the physical environment of Lake Taihu using 25 years of long-term meteorological, hydrological, and limnological observations and elucidate the potential implications for algal bloom outbreaks and aquatic macrophyte loss. We document significant increasing rates of 0.36 and 0.37 degrees C/decade for the yearly mean air and water temperatures, respectively. In addition, significant increases are observed for the yearly total sunshine duration and yearly mean water level with the rates of 165.0 hr/decade and 0.15 m/decade. In contrast, significant decreases are documented for the yearly mean wind speed and Secchi disk depth with the rates of 0.27 m/(s . decade) and 0.21 m/decade for the macrophyte-dominated regions, respectively. Therefore, the significant increasing ratio of temperature to wind promoted algal bloom formation and outbreaks, while the decreasing ratio of Secchi disk depth to water level resulted in the loss of aquatic macrophytes, which accelerated the shift from a clear macrophyte-dominated state to a turbid phytoplankton-dominated state in Lake Taihu. Forecasts of increased climatic variability in the future pose serious ramifications for both the ecosystem diversity and service functions of large shallow lakes. Our findings highlight the importance of long-term physical environment monitoring data for understanding ecosystem response to global climate change.


领域资源环境
收录类别SCI-E
WOS记录号WOS:000442502100008
WOS关键词MICROCYSTIS SPP. BLOOMS ; LARGE SHALLOW LAKE ; CLIMATE-CHANGE ; REGIME SHIFTS ; METEOROLOGICAL FACTORS ; CYANOBACTERIAL BLOOM ; SUBTROPICAL LAKE ; OXYGEN DEPLETION ; EUTROPHIC LAKE ; CHINA
WOS类目Environmental Sciences ; Limnology ; Water Resources
WOS研究方向Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources
引用统计
被引频次:83[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/21761
专题资源环境科学
作者单位1.Chinese Acad Sci, Nanjing Inst Geog & Limnol, State Key Lab Lake Sci & Environm, Taihu Lab Lake Ecosyst Res, Nanjing, Jiangsu, Peoples R China;
2.Univ Chinese Acad Sci, Beijing, Peoples R China
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GB/T 7714
Zhang, Yunlin,Qin, Boqiang,Zhu, Guangwei,et al. Profound Changes in the Physical Environment of Lake Taihu From 25 Years of Long-Term Observations: Implications for Algal Bloom Outbreaks and Aquatic Macrophyte Loss[J]. WATER RESOURCES RESEARCH,2018,54(7):4319-4331.
APA Zhang, Yunlin,Qin, Boqiang,Zhu, Guangwei,Shi, Kun,&Zhou, Yongqiang.(2018).Profound Changes in the Physical Environment of Lake Taihu From 25 Years of Long-Term Observations: Implications for Algal Bloom Outbreaks and Aquatic Macrophyte Loss.WATER RESOURCES RESEARCH,54(7),4319-4331.
MLA Zhang, Yunlin,et al."Profound Changes in the Physical Environment of Lake Taihu From 25 Years of Long-Term Observations: Implications for Algal Bloom Outbreaks and Aquatic Macrophyte Loss".WATER RESOURCES RESEARCH 54.7(2018):4319-4331.
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