نتایج جستجو برای: cyanophyceae

تعداد نتایج: 219  

Journal: :Journal of environmental biology 2007
J R Bhuiyan S Gupta

A hydrobiological study conducted in nine different ponds of a rural area of Barak Valley, Assam, showed that the concentrations of chemical parameters like dissolved oxygen, free carbon dioxide, pH, conductivity alkalinity nitrate, phosphate, calcium, magnesium, copper and zinc are within the permissible levels of drinking water quality standard of WHO and ISI. However iron content was higher ...

2013
Bruno P. Kremer Guido B. Feige

Photosynthesis, Assimilates, Chemotaxonomy, Phycobiliprotein-Containing Algae Representatives o f phycobiliprotein-containing algae such as Anabaena cylindrica, Anacystis nidulans, Gloeotrichia echinulata (Cyanophyceae), Chroomonas spec., Hemiselmis rufescens, Rhodomonas spec. (Cryptophyceae), Porphyridium cruentum, Rhodella violacea (Rhodophyceae) along with the unicellular Cyanidium caldarium...

Journal: :World Journal Of Advanced Research and Reviews 2023

Studies on the plankton communities and physico-chemical characteristics of Elechi Creek were carried out for six months, from January to June. Fourteen parameters evaluated, monthly alteration was investigated. Water quality samples analyses obtained simultaneously. temperature in range (29.4–35.5⁰C) across (3) study locations. The results revealed no spatial dissimilarity (P˃0.05) all physico...

Journal: :Journal of environmental biology 2006
Ashesh Tiwari S V S Chauhan

Two years (Jan. 2000 - Dec. 2001) data on the seasonal studies of phytoplanktonic diversity of Kitham lake (Sur Sarovar) Agra revealed the presence of 73 algal species. A limited number of these were recorded throughout the year, while others were distributed in different seasons mainly in winter and summer seasons. During winters, Chlorophyceae was the most dominant group followed by Bacillari...

M. Pourafrasyabi Z. Ramezanpour

Phytoplanktons are the first bio- indicators of pollution in aquatic ecosystems. Phytoplankton assemblage and aquatic ecosystems are always influenced by environmental factors therefore these environmental changes and threats must be understood in any ecosystem. Phytoplankton are inexpensive and readily available bio- indicators. In the present study, phytoplankton were used to study the Sefid ...

Journal: : 2022

The paper presents the results of a critical taxonomic revision list cyanobacteria Ukraine and analyzis their zonal, ecological typological distribution. includes 766 species from 150 genera. They belong to class Cyanophyceae Schaftner, four subclasses, 7 orders 46 families. subclass Oscillatoriophycideae (4 orders, 21 families, 65 genera, 333 species) is characterized by greatest diversity. le...

Journal: :علمی شیلات ایران 0
فاطمه محسنی زاده f. mohsenizadeh حسین نگارستان h. negarestan احمد سواری a. savari

in this study, surface water samples were collected monthly from five stations inclduing nayband bay, assaloye, dayer, kabgan and bushehr from december 2012 to june 2013. sampling stations were chosen according to data being collected during algal bloom caused by cochlodinium polykrikoides in 2008. a total of 45 genera of phytoplankton belongs to four classes were totally identified accounting ...

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