Results 71 to 80 of about 7,562 (212)

Identification of Chlorophyceae based on 18S rDNA sequences from Persian Gulf

open access: yesIranian Journal of Microbiology, 2014
Background and Objectives: Chlorophyceae are important constituents of marine phytoplankton. The taxonomy of Chlorophyceae was traditionally based solely on morphological characteristics.
Raheem Haddad   +4 more
doaj  

Effects of nutrients enrichment on algal communities: an experimental in mesocosms approach Efeitos do enriquecimento de nutrientes em comunidades de algas: uma abordagem experimental em mesocosmos

open access: yesActa Limnologica Brasiliensia, 2011
AIM: The effect of different concentrations of nutrients on algal communities living at the bottom of mesocosms was examined; METHODS: The experiment was carried out in the tributary of Rosana reservoir (Corvo river) from November 22nd to December 16th ...
Sirlene Aparecida Felisberto   +2 more
doaj   +1 more source

Qualitative and Quantitative study of Epipelic algae in Tigris River within Baghdad City, Iraq

open access: yesمجلة بغداد للعلوم, 2014
The present study conducted to study epipelic algae in the Tigris River within Baghdad city for one year from September 2011 to August 2012 due to the importance role of benthic algae in lotic ecosystems. Five sites have been chosen along the river.
Baghdad Science Journal
doaj   +1 more source

Chlorococcales nuevas para el embalse Paso de las Piedras (Buenos Aires, Argentina) New Chlorococcales for Paso de las Piedras Reservoir (Buenos Aires, Argentine)

open access: yesBoletín de la Sociedad Argentina de Botánica, 2005
En el presente trabajo se citan e ilustran 22 especies pertenecientes al orden Chlorococcales (Chlorophyceae, Chlorophyta) halladas en el embalse Paso de las Piedras que representan nuevas citas para este ambiente.
Carolina Fernández, Elisa R. Parodi
doaj  

Ecological assessment of the macrophytes and phytoplankton in El-Rayah Al-Behery, River Nile, Egypt

open access: yesEgyptian Journal of Aquatic Research, 2017
The present study aimed to assess the effect of ecological factors on distribution and species composition of macrophytes and phytoplankton communities at El-Rayah Al-Behery.
Amany M. Haroon, Abd-Ellatif M. Hussian
doaj   +1 more source

Check List of the algae in Diyala River, Iraq

open access: yesمجلة بغداد للعلوم, 2009
A total of 722 algal taxa are recorded in Diyala River by different authors. Most of the identification algae belong to three Divisions: Bacillariophyceae (367, 50.8%), Chlorophyceae (179, 24.8%), and Cyanophyceae (126, 17.5%).
Baghdad Science Journal
doaj   +1 more source

Grazer-induced defense in Scenedesmus obliquus (Chlorophyceae) [PDF]

open access: yes, 2000
The non-spiny Scenedesmus obliquus may express considerable phenotypic plasticity in response to changes in their environment. When exposed to chemicals released from the grazer Ceriodaphnia, unicellular S.
Lürling, M.
core   +1 more source

Philippine algal taxonomy: Past, present, and future [PDF]

open access: yes, 1990
This paper presents a historical account of the development of algal taxonomy in the Philippines, from its early beginnings in 1800 to the present, with emphasis on marine forms. Marine algal taxonomists in the country are urged to shift emphasis from
Cordero Jr., Paciente A.
core   +1 more source

Hydro-biological assessment of Tumaria reservoir, Kashipur (Udham Singh Nagar)

open access: yesEnvironment Conservation Journal, 2018
The present study was under taken to assess the physico-chemical parameters and phytoplanktonic diversity of Tumaria reservoir Kashipur in the District Udham Singh Nagar, Uttarakhand, from January 2017 to December 2017.
Pramod Kumar, Radhe Shyam
doaj   +1 more source

Criptógamos do Parque Estadual das Fontes do Ipiranga, São Paulo, SP. Algas 34: Chlorophyceae (Golenkiniaceae e Micractiniaceae)

open access: yesHoehnea
Levantamento florístico das Golenkiniaceae e Micractiniaceae que ocorrem nos ambientes aquáticos do Parque Estadual das Fontes do Ipiranga. Dois gêneros de Golenkiniaceae (Golenkinia e Polyedriopsis) foram identificados, cada um com uma espécie; e dois ...
Andrea Tucci   +3 more
doaj   +1 more source

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