Results 61 to 70 of about 572 (157)
AN ULTRASTRUCTURAL STUDY OF THE PYRENOID IN CULTURED CELLS OF CHLORELLA VARIEGATA (CHLOROCOCCALES) [PDF]
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
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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
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STUDIES ON SOME CHLOROCOCCALES FROM CHITTOOR DISTRICT, ANDHRA
: 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
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Mytilus edulis chilensis infested with Coccomyxa parasitica (Chlorococcales, Coccomyxaceae) [PDF]
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
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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
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Rare Pediastrum species (Chlorophyceae) from Polish coastal lakes
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
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Notes sur quelques Chlorococcales
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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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
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Phytoplankton from Las Tablas de Daimiel National Park. III. Diatoms and chlorophytes
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
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Chlorococcales (Chlorophyceae) of Eastern and North-eastern States of India
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
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