scholarly journals Dominant meteorological factors affecting cyanobacterial blooms under eutrophication in Lake Taihu

2019 ◽  
Vol 31 (5) ◽  
pp. 1248-1258
Author(s):  
LUO Xiaochun ◽  
◽  
HANG Xin ◽  
CAO Yun ◽  
HANG Rongrong ◽  
...  
Keyword(s):  
Meteorological Factors ◽  
Lake Taihu ◽  
Cyanobacterial Blooms ◽  
Factors Affecting

Phosphorus release from cyanobacterial blooms in Meiliang Bay of Lake Taihu, China

2011 ◽  
Vol 37 (6) ◽  
pp. 842-849 ◽  
Author(s):  
Xiaoming Chuai ◽  
Wei Ding ◽  
Xiaofeng Chen ◽  
Xiaolin Wang ◽  
Aijun Miao ◽  
...  
Keyword(s):  
Lake Taihu ◽  
Phosphorus Release ◽  
Cyanobacterial Blooms ◽  
Meiliang Bay

RATE OF EVAPORATION FROM A FREE-WATER SURFACE AS INFLUENCED BY EXPOSURE

1961 ◽  
Vol 41 (1) ◽  
pp. 199-203 ◽  
Author(s):  
A. C. Carder
Keyword(s):  
Water Surface ◽  
Meteorological Factors ◽  
Free Water ◽  
Water Evaporation ◽  
High Wind ◽  
Progressive Decrease ◽  
Factors Affecting ◽  
Wind Velocities ◽  
Rate Of Evaporation ◽  
Low Rate

In a 3-year free-water evaporation study, an evaporimeter tank in the open field lost 34.5 per cent more water than a tank sheltered by buildings and trees. Meteorological factors responsible for this difference appear to be high wind velocities and long daily periods of sunshine. Changes in temperature regime had no effect.Difference in evaporation from the two tanks led to examination of data obtained over 35 years from the sheltered tank. It was found that, although there was a progressive decrease in amount of evaporation over the years from this tank, rainfall at the same time had increased and that the effect of this increase on evaporation was roughly equal to that of all other factors affecting evaporation, such as a change in exposure, etc. Thus, the comparatively low rate of evaporation from the sheltered tank was undoubtedly due in part to the proximity of buildings and trees which had been established.

scholarly journals Effects of Cyanobacteria on Phosphorus Cycling and Other Aquatic Organisms in Simulated Eutrophic Ecosystems

Water ◽  
2020 ◽  
Vol 12 (8) ◽  
pp. 2265
Author(s):  
Peng Gu ◽  
Qi Li ◽  
Hao Zhang ◽  
Xin Luo ◽  
Weizhen Zhang ◽  
...  
Keyword(s):  
Nutrient Management ◽  
Lake Taihu ◽  
Cyanobacterial Bloom ◽  
Aquatic Organisms ◽  
Pilot Scale ◽  
Freshwater Ecosystems ◽  
Cyanobacterial Blooms ◽  
Eutrophic Lakes ◽  
P Concentration ◽  
Bloom Formation

Cyanobacterial blooms caused by eutrophication in Lake Taihu have led to ecological threats to freshwater ecosystems. A pilot scale experiment was implemented to investigate the relationship between cyanobacteria and other aquatic plants and animals in simulated eutrophic ecosystems under different phosphorus (P) regimes. The results of this study showed that cyanobacteria had two characteristics favorable for bloom formation in eutrophic ecosystems. One is the nutrient absorption. The presence of alkaline phosphatase was beneficial for algal cells in nutrition absorption under low P concentration. Cyanobacteria exhibited a stronger ability to absorb and store P compared to Vallisneria natans, which contributed to the fast growth of algal cells between 0.2 and 0.5 mg·L−1 of P (p < 0.05). However, P loads affected only the maximum biomass, but not the growth phases. The growth cycle of cyanobacteria remained unchanged and was not related to P concentration. P cycling indicated that 43.05–69.90% of the total P existed in the form of sediment, and P content of cyanobacteria showed the highest increase among the organisms. The other is the release of microcystin. Toxic microcystin-LR was released into the water, causing indirectly the growth inhibition of Carassius auratus and Bellamya quadrata and the reduction of microbial diversity. These findings are of importance in exploring the mechanism of cyanobacterial bloom formation and the nutrient management of eutrophic lakes.

Urea dynamics during Lake Taihu cyanobacterial blooms in China

Harmful Algae ◽  
2019 ◽  
Vol 84 ◽  
pp. 233-243 ◽  
Author(s):  
Kaijun Lu ◽  
Zhanfei Liu ◽  
Ruihua Dai ◽  
Wayne S. Gardner
Keyword(s):  
Lake Taihu ◽  
Cyanobacterial Blooms

Meteorological factors affecting respiratory syncytial virus infection: A time‐series analysis

2020 ◽  
Vol 55 (3) ◽  
pp. 713-718 ◽  
Author(s):  
Hailin Zhang ◽  
Shunhang Wen ◽  
Jingwei Zheng ◽  
Xiaofang Chen ◽  
Fangfang Lv ◽  
...  
Keyword(s):  
Time Series ◽  
Respiratory Syncytial Virus ◽  
Virus Infection ◽  
Time Series Analysis ◽  
Respiratory Syncytial Virus Infection ◽  
Meteorological Factors ◽  
Factors Affecting ◽  
Series Analysis ◽  
Syncytial Virus

Comparing sediment bacterial communities in the macrophyte-dominated and algae-dominated areas of eutrophic Lake Taihu, China

2011 ◽  
Vol 57 (4) ◽  
pp. 263-272 ◽  
Author(s):  
Keqiang Shao ◽  
Guang Gao ◽  
Boqiang Qin ◽  
Xiangming Tang ◽  
Yongping Wang ◽  
...  
Keyword(s):  
Environmental Factors ◽  
Bacterial Community ◽  
Dna Sequences ◽  
Lake Taihu ◽  
Bacterial Community Composition ◽  
Eutrophic Lake ◽  
Banding Patterns ◽  
Factors Affecting ◽  
Specific Variation ◽  
Area Variation

Bacterial community structure and the effects of several environmental factors on bacterial community distribution were investigated in the sediment of the macrophyte-dominated and algae-dominated areas in a large, shallow, eutrophic freshwater lake (Lake Taihu, China). Surface sediment samples were collected at 6 sampling sites (3 sites from each of the 2 areas) on 15 February and 15 August 2009. Based on cluster analysis of the DGGE banding patterns, there were significant seasonal variations in the structure of the sediment bacterial community in the macrophyte- and algae-dominated areas, and site-specific variation within an area and between 2 areas. However, there were no significant between-area variations due to the large within-area variation. Analysis of DNA sequences showed that there were differences in the species composition of the sediment bacteria between the macrophyte- and algae-dominated area clone libraries. In the macrophyte-dominated area library, the bacterial community was dominated by Deltaproteobacteria, Verrucomicrobia, Acidobacteria, Bacteroidetes, Gammaproteobacteria, and Betaproteobacteria. OP10 was found in the library of this area but not in the algae-dominated area library. The algae-dominated area library was dominated by Betaproteobacteria, Deltaproteobacteria, Gammaproteobacteria, and Acidobacteria. Cyanobacteria, Alphaproteobacteria, and Planctomycetes were found in this area library but not in the macrophyte-dominated area library. Canonical correspondence analysis demonstrated that total phosphorus and water temperature were the dominant environmental factors affecting bacterial community composition in the sediment.

Sign in / Sign up

Export Citation Format

Share Document