Results 61 to 70 of about 3,416 (203)

Phytoplankton as bio-indicator of water quality in Sefid Rud River, Iran (South of Caspian Sea)

open access: yesCaspian Journal of Environmental Sciences, 2014
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 ...
Pourafrasyabi, M., Ramezanpour, Z.
doaj  

Seasonal Variation of Phytoplankton Diversity in Anchepalya Lake, Bengaluru Urban, India [PDF]

open access: yes, 2015
Seasonal dynamics of Phytoplankton populations were studied in Anchepalya Lake for a period of one year from March 2013 to February 2014 covering three seasons.
Bheemappa, K.   +3 more
core  

Rapid colour changes in Euglena sanguinea (Euglenophyceae) caused by internal lipid globule migration [PDF]

open access: yes, 2018
The accumulation of red pigments under chronic stress is a response observed in most groups of oxygenic photoautotrophs. It is thought that the red pigments in the cell shield the chlorophyll located underneath from the light. Among these red pigments,
Abramoff M.D.   +11 more
core   +3 more sources

Inclusion of near‐threatened micronutrient‐rich small indigenous species (SIS) dhela (Osteobrama cotio) in pond aquaculture

open access: yesAquaculture, Fish and Fisheries, Volume 4, Issue 3, June 2024.
This study investigated the culture suitability of dhela fish in polyculture with carp species in pond aquaculture systems. Results showed that including dhela in polyculture with carp species did not affect total production but significantly increased net profit and benefit–cost ratio compared to systems without dhela. This suggests that incorporating
Mrityunjoy Kunda   +3 more
wiley   +1 more source

Control of euglenophyte bloom and fish production enhancement using duckweed and lime [PDF]

open access: yes, 2012
Euglenophyte bloom is a common problem in most of the aquaculture ponds in Bangladesh. In the present study we conducted an experiment to control euglenophyte bloom for achieving better fish production using duckweed (Lemna minor) and lime.
Khan, S.   +3 more
core   +3 more sources

Factors affecting phytoplankton fluctuations in the Persian Gulf )Bushehr coastal waters) during winter and spring 2012 - 2013

open access: yes‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 2014
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.
F. Mohsenizadeh email ; H. Negarestan; A. Savari
doaj  

Criptógamos do Parque Estadual das Fontes do Ipiranga, São Paulo, SP: algas, 28: Euglenophyceae (família Eutreptiaceae)

open access: yesHoehnea
Levantamento florístico dos representantes da família Eutreptiaceae (Euglenophyceae) do Parque Estadual das Fontes do Ipiranga, São Paulo, Brasil. Três gêneros (Beulahmonas, Hegneria e Isonema) e quatro espécies (uma de Beulahmonas, uma de Hegneria e ...
Carlos Eduardo de Mattos Bicudo
doaj   +1 more source

Impacts of fish sanctuaries on the production and diversity of plankton on beels of haor region in Bangladesh [PDF]

open access: yes, 2006
The experiment was carried out to study the impacts of fish sanctuaries on the production and diversity of plankton in beels of haor region at Mithamain Upazila of Kishoreganj district in Bangladesh during July 2004 to June 2005.
Azher, S.A., Dewan, S., Khanom, F.
core  

A new characid species with remarkable sexual dimorphism (Characiformes: Characidae: Stevardiinae) from the upper Guayabero River, Orinoco basin, Colombia

open access: yesJournal of Fish Biology, Volume 104, Issue 6, Page 1947-1959, June 2024.
Abstract A new species of characid with remarkable sexual characteristics is described from the upper Guayabero River drainage from the Orinoco basin in Colombia. The new species is included in the genus Monotocheirodon by sharing most of the previously proposed diagnostic features of this genus.
Tiago P. Carvalho   +3 more
wiley   +1 more source

Quantitative and qualitative assessment of plankton: some ecological aspect and water quality parameters of the river Meghna, Bangladesh [PDF]

open access: yes, 2003
Investigation on the seasonal distribution and abundance of various major taxa of phyto and zooplankton and the corresponding physico-chemical characteristics were carried out in four selected stations between the latitude 22°35.494N N-23°23.987 N and ...
Ahamed, S.U.   +4 more
core  

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