Results 221 to 230 of about 25,482 (257)

Weather Variability, Sunspots, and the Blooms of Cyanobacteria

EcoHealth, 2009
The roles of weather variability and sunspots in the occurrence of cyanobacteria blooms, were investigated using cyanobacteria cell data collected from the Fred Haigh Dam, Queensland, Australia. Time series generalized linear model and classification and regression tree (CART) model were used in the analysis.
Hu, Wenbiao, Connell, Des, Mengersen, Kerrie, Tong, Shilu   +3 more
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Predicting cyanobacteria bloom occurrence in lakes and reservoirs before blooms occur

Science of The Total Environment, 2019
With increased global warming, cyanobacteria are blooming more frequently in lakes and reservoirs, severely damaging the health and stability of aquatic ecosystems and threatening drinking water safety and human health. There is an urgent demand for the effective prediction and prevention of cyanobacterial blooms.
C S, Zhao, N F, Shao, S T, Yang, H, Ren, Y R, Ge, P, Feng, B E, Dong, Y, Zhao   +7 more
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Cyanobacteria and Bloom Control Management System

2020 IEEE International Conference on Artificial Intelligence and Computer Applications (ICAICA), 2020
Cyanobacteria are a large class of single-cell prokaryotes capable of oxygen-producing photosynthesis. When cyanobacteria are stimulated by nitrogen, phosphorus and other elements, it will cause eutrophication of the water body and cause the phenomenon of “bloom” in the lake, which seriously endangers the safety of humans, livestock, fish and shrimp ...
Yuming Tang, Hong Liang, Shi Chen, Hongyu Song   +3 more
openaire   +1 more source

Analysis of the Causes of Cyanobacteria Bloom: A Review

Journal of Resources and Ecology, 2020
Among water blooms, cyanobacteria bloom occurs over the widest range and is much more harmful than other blooms. Its occurrence in inland water bodies is affected by many factors, such as meteorology, hydrology, and human activities. Therefore, the study of the causes of cyanobacterial bloom has become a major focus of scholars.
Zhou Bing, Cai Xiaoli, Wang Sen, Yang Xinxin   +3 more
openaire   +1 more source

Cyanobacteria blooms: effects on aquatic ecosystems

2008
Cyanobacteria become increasingly dominant as concentrations of TP and TN increase during eutrophication of lakes, rivers and estuaries. Temporal dynamics of cyanobacteria blooms are variable--in some systems persistent blooms occur in summer to fall, whereas in other systems blooms are more sporadic.
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The Mosaic Nature of Toxic Blooms of Cyanobacteria

1981
The incidence of toxic populations of planktonic Cyanobacteria in hypertrophic Hastings Lake, Alberta (located 40 km east of Edmonton) was monitored during July and August of 1975, 1976 and 1977. Samples were collected at intervals from different stations, concentrated from 1 to 20 (exceptionally to 200 or 400) times with a plankton net, as required ...
Wayne W. Carmichael, Paul R. Gorham
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Trophodynamics of Marine Cyanobacteria Blooms

1992
Although cyanobacteria blooms can dominate annual production and phytoplankton biomass in some marine regions, little is known on the fate of these large aggregations of autotrophic, surface-dwelling prokaryote populations. The importance of bloom-forming Trichodesmium spp.
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Towards a molecular taxonomy for the bloom-forming cyanobacteria

Australian Journal of Marine and Freshwater Research, 1994
Regions of the 16s subunit of the ribosomal RNA gene of the bloom-associated cyanobacterial genera Microcystis and Anabaena have been sequenced and found to provide strain-specific sequence information. Comparisons of the DNA sequence of these cyanobacteria indicated that the strains examined are related and that probes diagnostic for bloom-forming and
BA Neilan, PR Hawkins, PT Cox, AE Goodman   +3 more
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Kinetic Study on Pyrolysis of Blooming-forming Cyanobacteria

Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 2015
The pyrolysis kinetics of blooming-forming cyanobacteria was studied using thermogravimetric analysis at heating rates of 5–20°C/min. The pyrolysis process appeared in three stages: dehydration, primary devolatilization, and residual decomposition. With the increasing heating rate, the maximum rate of weight loss and the peak temperature increased. The
G. Cheng, Y. Zheng, Z.-Q. Hu, B. Xiao, H.-Y. Cai, P.-W. He, J.-B. Wang   +6 more
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Modelling cyanobacteria bloom variability in the Baltic Sea

2006
No abstracts are to be cited without prior reference to the author.Common features of the Baltic Sea are heavy cyanobacteria blooms in sum-mer. Although these blooms regularly occur the intensity of the blooms changes from year to year as well as within decadal time scales.
Neumann, Thomas, Janssen, F., Schernewski, G.   +2 more
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