Results 61 to 70 of about 572 (157)

AN ULTRASTRUCTURAL STUDY OF THE PYRENOID IN CULTURED CELLS OF CHLORELLA VARIEGATA (CHLOROCOCCALES) [PDF]

open access: yesNew Phytologist, 1974
SummaryElectron microscopical examination of cultured Chlorella variegata, a facultatively heterotrophic species of the genus, revealed the presence of electron‐opaque spheres, or pyrenoglobuli, in the pyrenoid. The pyrenoglobuli, observed both in vegetative cells and autospores, are associated with the pyrenoid thylakoids which are single thylakoidal ...
B. A. SILVERBERG, T. SAWA
openaire   +1 more source

Família Scenedesmaceae (Chlorophyceae, Chlorococcales) do lago Água Preta, município de Belém, Estado do Pará Scenedesmaceae Family (Chlorophyceae, Chlorococcales) from Água Preta Lake, Belém city, Pará State

open access: yesActa Botânica Brasílica, 1997
Trata-se do inventário floristico da família Scenedesmaceae do lago Água Preta, parte do complexo de abastecimento de água do município de Belém, PA, efetuado a partir de quatro coletas, no período de outubro de 1992 a agosto de 1993.
Regina Célia Viana Martins-Da-Silva
doaj   +1 more source

STUDIES ON SOME CHLOROCOCCALES FROM CHITTOOR DISTRICT, ANDHRA

open access: yes, 2020
: Fresh water algae were collected from various parts of Chittoor district and ten taxa belonging to eight genera of Chlorococcales i.e., Pediastrum, Hydrodictyon, Tetradron, Gloeotaenium, Botryococcus, Dimorphococcus, Coelastrum and scenedesmus are ...
Pradesh India A Rekha   +4 more
core  

Mytilus edulis chilensis infested with Coccomyxa parasitica (Chlorococcales, Coccomyxaceae) [PDF]

open access: yesJournal of Molluscan Studies, 1999
The association between the green alga Coccomyxa parasitica (Chlorococcales) and the mussel Mytilus edulis chilensis at Goose Green, Falkland Islands is reported. C. parasitica occurred within the soft tissues with an overall infestation rate of 16%. The highest levels of infestation (23%) occurred in individuals from the middle of the main mussel bed,
A.P. Gray   +3 more
openaire   +1 more source

Microfósseis não polínicos como indicadores de mudanças ambientais no Holoceno médio da Lagoa Comprida, Parque Nacional da Restinga de Jurubatiba, Estado do Rio de Janeiro, Brasil

open access: yesHoehnea
RESUMO O trabalho teve como objetivo identificar e descrever a morfologia de microfósseis não polínicos ocorrentes nos sedimentos de um testemunho retirado próximo à barra da Lagoa Comprida, Estado do Rio de Janeiro, Brasil.
Cynthia Fernandes Pinto da Luz   +4 more
doaj   +1 more source

Rare Pediastrum species (Chlorophyceae) from Polish coastal lakes

open access: yesActa Societatis Botanicorum Poloniae, 2011
An account is given of the occurrence of Pediastrum (Chlorophyceae, Sphaeropleales) in five eutrophic coastal lakes (Jamno, Bukowo, Gardno, Łebsko and Sarbsko) in northern Poland, together with morphological data of the species and more detailed ...
Joanna Kowalska, Konrad Wołowski
doaj   +1 more source

Notes sur quelques Chlorococcales

open access: yes, 1951
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

APLICAÇÃO DO ÍNDICE DE ESPECIFICIDADE DE HÁBITAT EM CHLOROCOCCALES FITOPLANCTÔNICAS, COMO INDICADOR DE QUALIDADE AMBIENTAL EM RIOS COSTEIROS: ESTUDO DE CASO DO RIO ITAJAÍ-MIRIM, SC, BRASIL

open access: yes, 2010
Environmental quality indicators based on biological community indexes have been largely used in environmental characterization and monitoring programs. New community indexes have been proposed in order to refine such applications.
MELLO, R. S.   +2 more
core   +1 more source

Phytoplankton from Las Tablas de Daimiel National Park. III. Diatoms and chlorophytes

open access: yesAnales del Jardín Botánico de Madrid, 2000
Las Tablas de Daimiel National Park is an important semi-arid wetland, biodiversity reserve, that is experiencing an accelerated eutrophication process and dramatic hydrological changes in recent years.
Elizabeth Ortega-Mayagoitia, Carmen Rojo
doaj   +1 more source

Chlorococcales (Chlorophyceae) of Eastern and North-eastern States of India

open access: yesALGAE, 2007
Fifty-six taxa of chlorococcales were recorded from different water bodies of eastern and north-eastern states of India. These belong to 21 genera, e.g. Chlorococcum (1), Truebaria (1), Pediastrum (9), Hydrodictyon (1), Botrycoccus (1), Coenochloris (1), Radiococcus (1), Coenocystis (1), Oocystis (1), Glaucocystis (1), Chlorella (1), Kirchneria (2 ...
Mrutyunjay Jena, Siba Prasad Adhikary
openaire   +1 more source

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