Results 41 to 50 of about 1,102 (160)

The Genetic Material of Prokaryote Algae (Cyanophyceae) [PDF]

open access: yesCaryologia, 1973
SUMMARYChromatinosome structure and distribution in blue-green algae cells with prokaryote structure was studied. Investigations were performed in three orders of Cyanophyta: Chroococcales, Nostocales and Oscillatoriales. A comparison is made between the structure of chromatinosome in the representatives of the three orders.
openaire   +1 more source

THE INTERRELATIONS AND CLASSIFICATION OF THE MYXOPHYCEAE (CYANOPHYCEAE) [PDF]

open access: yesNew Phytologist, 1942
The blue-green algae have long been classed in the three orders Chroococcales, Chamaesiphonales, and Hormogoneales. The first of these, especially the series of closely interrelated palmelloid types (Chroococcus, Gloeocapsa, Aphanocapsa, etc.) that constitute the bulk of the order, represents a relatively homogeneous group, but this cannot be said of ...
openaire   +1 more source

Three New Records of Oscillatorian Cyanophyta for the Paddy –Fields Algal Flora of Iran [PDF]

open access: yesفیزیولوژی محیطی گیاهی, 2008
In this study, three Cyanophyceae species new for Iran are reported. These specimens are Oscillatoria okeni Agardh ex.Gomont, O.earlei Gardner and O.bornetii Fritsch.
r Siahbalaie   +2 more
doaj  

Diversidad algal de un ambiente extremo: el manantial geotermal Los Hervideros, México

open access: yesRevista Mexicana de Biodiversidad, 2016
El presente trabajo describe la diversidad algal del manantial geotermal Los Hervideros, Michoacán, México, así como su distribución en relación con el gradiente de temperatura.
Óscar López-Sandoval   +4 more
doaj   +1 more source

Production of the rotifer Brachionus plicatilis (Ploimida: Brachionidae) in a Brazilian coastal lagoon

open access: yesRevista de Biología Tropical, 2000
Secondary production, density and biomass fluctuations, and some reproductive aspects of the rotifer Brachionus plicatilis were studied weekly for two years in a Brazilian coastal lagoon.
Maria Stela Maioli Castilho   +1 more
doaj  

Distribución y sistemática del fitoplancton a lo largo del río Amacuzac (Morelos, México) Distribución y sistemática del fitoplancton a lo largo del río Amacuzac (Morelos, México)

open access: yesActa Universitaria, 2012
Se estudió la composición y distribución del fitoplancton en el río Amacuzac. El fitoplanc­ton fue colectado en diferentes localidades del río, Se reconocieron un total de 16 especies correspondiendo 11 a la clase Chlorophyceae y cinco a la clase ...
Migdalia Díaz Vargas   +4 more
doaj  

Diversity and Seasonal Variations of Plankton Communities After Major Flash Flood in the River Mandakini of Garhwal Himalaya [PDF]

open access: yesNature Environment and Pollution Technology, 2019
Plankton diversity acts as an ecological indicator of aquatic ecosystems due to their rapid response to environmental changes. Plankton samples were collected monthly for a period of 24 months.
Deepak Singh and Gunjan Goswami
doaj  

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  

Update of the Brazilian floristic list of Algae and Cyanobacteria

open access: yesRodriguésia
An updated synthesis of cyanobacteria and algae information is presented for Brazil aiming to refine the data gathered to date and evaluate the progress of the biodiversity knowledge about these organisms in the country since the publication of the ...
Mariângela Menezes   +60 more
doaj   +1 more source

Estudio taxonómico preliminar de la ficoflora planctónica en la zona aluvial del Río Colorado (La Pampa, Argentina)

open access: yesBiología Acuática, 2019
This work is part of a larger project on the study of algal biodiversity of a lotic system in La Pampa province. In this first stage we analyze the algal flora of samples collected during the summer season and autumn of 2010. The study area is located in
Andrea E. Biasotti   +2 more
doaj  

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