Studies on the Fresh Water Poisonous Planktonic Cyanobacteria (Blue Green Algae) of Manchar Lake Dadu, Sindh, Pakistan

2000 ◽  
Vol 3 (11) ◽  
pp. 1973-1975 ◽  
Author(s):  
Mahar M.A. . ◽  
S.I.H. Jafri . ◽  
S.M. Leghari . ◽  
M.Y. Khuhawar . ◽  
A.A. Noor .
Keyword(s):  
Fresh Water ◽  
Green Algae ◽  
Blue Green Algae ◽  
Manchar Lake

scholarly journals Light Penetration into Fresh Water

1934 ◽  
Vol 11 (1) ◽  
pp. 89-93
Author(s):  
W. H. PEARSALL ◽  
PHILIP ULLYOTT
Keyword(s):  
Light Intensity ◽  
Fresh Water ◽  
Green Algae ◽  
Aquatic Plants ◽  
Submerged Vegetation ◽  
Light Penetration ◽  
Blue Green Algae

1. The penetration of light into Windermere is dependent chiefly on the numbers of phytoplankton organisms in the epilimnion. 2. It appears that the greatest depth at which rooted aquatic plants can grow must therefore be affected by the abundance of phytoplankton. The rooted plants are most active during July and August. Observations show that at this time the presence of blue-green algae reduces the light intensity at the limit of submerged vegetation (4·3 metres) by more than 50 per cent.

Antimutagenic properties of fresh-water blue-green algae

1994 ◽  
Vol 39 (4) ◽  
pp. 301-303 ◽  
Author(s):  
N. Lahitová ◽  
M. Doupovcová ◽  
J. Zvonár ◽  
J. Chandoga ◽  
G. Hocman
Keyword(s):  
Fresh Water ◽  
Green Algae ◽  
Blue Green Algae

scholarly journals Cyanophycean Flora 0f Southern Himanchal Pradesh, India

2009 ◽  
Vol 15 ◽  
pp. 29-36
Author(s):  
R. K. Dwivedi ◽  
S. K. Shukla ◽  
C. P. Shukla ◽  
P. K. Misra ◽  
M. K. Seth
Keyword(s):  
Key Words ◽  
Fresh Water ◽  
Green Algae ◽  
First Report ◽  
Blue Green Algae

The present paper deals with 37 taxa, 18 genera, 32 species, 4 varieties and 1 forma explored from southern Himanchal Pradesh of India. These taxa are represented by Microcystis, Chroococcus, Aphanocapsa, Aphanothece, Merismopedia, Coelosphaerium, Gomphosphaeria, Stichosiphon, Oscillatoria, Lyngbya, Pseudanabaena, Cylindrospermum, Anabaena, Nostoc, Nodularia, Fortiea, Calothrix, Anabaenopsis. Out of 37 taxa, 27 are first report from the study area. Key words: Fresh-water, blue-green algae, systematics, southern Himanchal Pradesh, India.   doi: 10.3126/eco.v15i0.1939   ECOPRINT 15: 29-36, 2008

scholarly journals Evaluation of disinfection byproduct formation from extra- and intra-cellular algal organic matters during chlorination after Fe(vi) oxidation

RSC Advances ◽  
2019 ◽  
Vol 9 (70) ◽  
pp. 41022-41030 ◽  
Author(s):  
Feilong Dong ◽  
Qiufeng Lin ◽  
Cong Li ◽  
Tuqiao Zhang
Keyword(s):  
Fresh Water ◽  
Green Algae ◽  
Organic Matters ◽  
Blue Green Algae ◽  
Disinfection Byproduct ◽  
Byproduct Formation

Blue-green algae commonly bloom in fresh water in summer, producing extra- and intra-cellular algal organic matters, which are important precursors for disinfection byproduct (DBP) formation.

scholarly journals Biodiversity of Cyanobacteria in Fresh Water Ponds of Pudukkottai District, Tamilnadu, India

2020 ◽  
Author(s):  
J. Dhanalakshmi ◽  
P. Jeevan ◽  
E. Angel Jemima
Keyword(s):  
Fresh Water ◽  
Green Algae ◽  
Tamil Nadu ◽  
Major Part ◽  
Research Work ◽  
Distinct Species ◽  
Morphological Identification ◽  
Blue Green Algae ◽  
Freshwater Ponds ◽  
Cyanobacterial Species

Cyanobacterial species (blue-green algae) constitute the major part of the phytoplanktonic biomass during the summer in freshwater ponds. The aim of the research work was to study the biodiversity of cyanobacteria among 20 different freshwater ponds of the Pudukkottai district of Tamil Nadu, India. The morphological identification of cyanobacterial species was carried out using a trinocular microscope. The results showed that the maximum number of cyanobacterial species belonged to Oscillatoriaceae, Nostocaceae, Microcystaceae, Scenedesmaceae, and Desmidiaceae families. Among 25 different families of Cyanobacteria about 42 distinct species were identified. These results showed that the freshwater ponds of the Pudukkottai district have an abundance of cyanobacteria species.

Freeze-Fracture Replication in the Ultrastructure of Blue-Green Algae

1967 ◽  
Vol 25 ◽  
pp. 74-75
Author(s):  
L. V. Leak
Keyword(s):  
Cell Wall ◽  
Electron Microscope ◽  
Green Algae ◽  
Three Dimensional ◽  
Freeze Fracture ◽  
Electron Microscopic ◽  
Photosynthetic Membranes ◽  
Blue Green Algae ◽  
Cell Biol ◽  
Cellular Components

Electron microscopic observations of freeze-fracture replicas of Anabaena cells obtained by the procedures described by Bullivant and Ames (J. Cell Biol., 1966) indicate that the frozen cells are fractured in many different planes. This fracturing or cleaving along various planes allows one to gain a three dimensional relation of the cellular components as a result of such a manipulation. When replicas that are obtained by the freeze-fracture method are observed in the electron microscope, cross fractures of the cell wall and membranes that comprise the photosynthetic lamellae are apparent as demonstrated in Figures 1 & 2.A large portion of the Anabaena cell is composed of undulating layers of cytoplasm that are bounded by unit membranes that comprise the photosynthetic membranes. The adjoining layers of cytoplasm are closely apposed to each other to form the photosynthetic lamellae. Occassionally the adjacent layers of cytoplasm are separated by an interspace that may vary in widths of up to several 100 mu to form intralamellar vesicles.

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