Results 61 to 70 of about 1,000 (177)

Note sur quelques Micrasterias Ag. du Cameroun (Chlorophyta, Zygophyceae, Desmidiales)

Cryptogamie. Algologie, 1985
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Atangana Etémé, R, Couté, Alain
openaire   +2 more sources

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

Brazilian 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, GJM. Araujo, FAR. Barbosa, CEM. Bicudo   +3 more
doaj   +1 more source

Variabilité des descripteurs physiques, chimiques et phytoplanctonique dans des étangs d'alevinage (station de la Deroua, Béni-Mellal, Maroc) [PDF]

, 2002
Dans les étangs d'alevinage à la station de la Deroua, le phytoplancton est représenté par des populations se succédant dans le temps.Ces étangs montrent une similarité vis-à-vis de la variabilité des descripteurs de la qualité de l'eau.
Droussi, M., Hasnaoui, M., Kassila, J., Loudiki, M., Souissi, S.   +4 more
core   +1 more source

Desmidiales (Desmidiaceae, Zygnematophyceae) from Lowland Rivers and Floodplain Lakes of Ecuadorian Amazonia

Cryptogamie, Algologie
SÁNCHEZ, Luzmila, SÁNCHEZ, Fernando R., RÍOS-TOUMA, Blanca, José V. MONTOYA (2025): Desmidiales (Desmidiaceae, Zygnematophyceae) from lowland rivers and floodplain lakes of Ecuadorian Amazonia. Cryptogamie, Algologie 20 (3): 31-60, DOI: 10.5252/cryptogamie-algologie2025v46a3, URL: https://sciencepress.mnhn.fr/sites/default/files/articles/pdf ...
SÁNCHEZ, Luzmila, SÁNCHEZ, Fernando R., RÍOS-TOUMA, Blanca, José V. MONTOYA   +3 more
openaire   +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)

Acta 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, Sirlene Aparecida Felisberto   +1 more
doaj  

Quelques Desmidiées (Algae, Zygophyceae) de Guyane française étudiées au M.E.B. [PDF]

, 1986
Les auteurs étudient à l'aide du M.E.B. vingt taxons appartenant à la famille des Desmidiacées et aux genres #Actinotaenium$, #Cosmarium$, #Desmidium$, #Euastrum$, #Micrasterias$, #Phymatodocis$, #Staurastrum$, #Streptonema$ et #Xanthidium$.
Coute, A, Therezien, Y.
core  

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

Biota. 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

Planktonic Cyanophyceae from northeastern Argentina [PDF]

, 1994
Dans ce travail sont présentés les résultats sur l'inventaire floristique des Cyanophycées planctoniques d'eau douce du nord-est de l'Argentine (région chaude). Entre espèces et variétés, 61 taxons ont été reconnus.
Tell, G.
core  

Phytoplankton composition of Sazlidere Dam lake, Istanbul, Turkey [PDF]

, 2013
The phytoplankton composition of Sazlidere Dam lake was studied at 5 sampling sites between December 2003 - November 2005. A total of 67 taxa were recorded, representing Bacillariophyta (31), Chlorophyta (18), Cyanophyta (9), Chrysophyta (1), Cryptophyta
Nese Yilmaz
core  

Микрофоссилии дебенгдинской свиты позднего протерозоя Оленекского поднятия [PDF]

, 2007
Изучены микрофоссилии из среднерифейской дебенгдинской свиты Оленекского поднятия. Описаны разнообразные органо-стенные формы акритарх и цианобактерий.
Гладкочуб, Д. П., Корнилова, Т. А., Мазукабзов, А. М., Максимова, Е. Н., Станевич, А. М.   +4 more
core