Results 61 to 70 of about 430 (170)

Morphological variation in Staurastrum rotula (Zygnemaphyceae, Desmidiales) in the deepest natural Brazilian lake: essence or accident?

open access: yesBrazilian Journal of Biology
For many decades, polymorphism and its consequences have only been studied from the taxonomic point of view. Presently, interest has switched to the environmental causes of morphological variation and its consequences in the form and essence of the ...
LG. Barbosa   +3 more
doaj   +1 more source

Periphytic algal community in artificial and natural substratum in a tributary of the Rosana reservoir (Corvo Stream, Paraná State, Brazil) = Comunidade de algas perifíticas em substrato artificial e natural em um tributário do reservatório de Rosana (Ribeirão do Corvo, Estado do Paraná, Brasil)

open access: yesActa Scientiarum: Biological Sciences, 2010
Periphytic algal community in artificial and natural substratum in a tributary of the Rosana reservoir (Corvo Stream, Paraná State, Brazil). This study evaluated the heterogeneity in periphytic algal community, under the influence of time colonization on
Liliana Rodrigues   +1 more
doaj  

Survey of conjugate algae (Mesotaeniales, Desmidiales) of the upper part of River Rioni basin (West Georgia)

open access: yes, 2014
Приведены результаты исследований порядков Mesotaeniales и Desmidiales верхнего течения бассейна р. Риони. В разнообразных водоемах данного региона обнаружено 147 таксонов этих порядков.
Кухалеишвили, Л.К.
core  

DESMIDIALES (ZYGNEMATOPHYCEAE, STREPTOPHYTA) OF THE QUARRY POND ZAVODSKE – A HOTSPOT OF DESMIDS DIVERSITY IN CHERNIHIV POLESIE, UKRAINE

open access: yesBiota. Human. Technology
Purpose. Study of the composition of desmids in Zavodske quarry pond (Chernihiv Polesie, Ukraine), preparation of the taxonomical list. Microphotographs illustrating the cells of desmid algae found Ukrainian and their dimensional characteristics are ...
Iryna Shyndanovina
doaj   +1 more source

Addition to the desmid flora (Charophyta: Desmidiales) of Nizhnevartovsk district, KMAO-Yugra, Russia

open access: yesПроблемы ботаники Южной Сибири и Монголии, 2020
Five species of desmid algae new to Nizhnevartovsk city are reported. Three species (Closterium abruptum,Cl. jenneri, Euastrum ansatum) are rare for Nizhnevartovsk administrative region, one (Penium margaritaceum) is newfor Khanty-Mansi Autonomous Okrug – Yugra.
openaire   +2 more sources

Materiales para una Flora de las algas del NE de España, VI, Desmidiales, Rhodophyceae

open access: yes, 1955
11 pages, 1 figureComo en anteriores trabajos de esta serie, se reunen en el presente cierto número de datos inéditos sobre especies observadas en recolecciones un tanto esporádicas. La representación de las desmidiales y de las rodofíceas en las tierras
Margalef, Ramón
core  

Diversity and distribution of the Euastrum humerosum / didelta (Desmidiales) species complex [PDF]

open access: yes, 2018
From 23 European and North American strains Euastrum humerosum/didelta species complex (Desmidiales) we have obtained 3 lineages in molecular marker trnGuuc group II intron. We did not acquire significant and homogenous results in SSU intron.
Kupčíková, Eva
core  

The planktonic chlorophyta of catalan dam lake (adana, Turkey)

open access: yes, 2007
With the aim of identifying planktonic Chlorophyta of oligotrophic Çatalan Dam Lake, we collected water and plankton samples from five stations between July 2001 and June 2002. Twenty-seven different species of Chlorococcales, two species of Zygnematales,
Saygideger S.   +3 more
core   +1 more source

Data from: Static allometry of unicellular green algae: scaling of cellular surface area and volume in the genus Micrasterias (Desmidiales)

open access: yes, 2015
The surface area-to-volume ratio of cells is one of the key factors affecting fundamental biological processes and, thus, fitness of unicellular organisms.
Neustupa, Jiri
core   +1 more source

Desmídias epifíticas do reservatório de Rosana, bacia do rio Paranapanema, Paraná/São Paulo, Brasil: Euastrum e Micrasterias (Desmidiaceae) [PDF]

open access: yes, 2011
Zygnemaphyceae constitutes a class of Green algae that are characterized by a unique mode of sexual reproduction (conjugation) and the absence of flagella in the vegetative and reproductive cells.
Rodrigues, Liliana   +1 more
core   +2 more sources

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