Results 11 to 20 of about 307 (145)

Taxonomy and nomenclature of the conjugatophyceae (= zygnematophyceae) [PDF]

open access: yesALGAE, 2013
The conjugating algae, an almost exclusively freshwater and extraordinarily diverse group of streptophyte green algae, are referred to a class generally known as the Conjugatophyceae in Central Europe and the Zygnematophyceae elsewhere in the world ...
Guiry, Michael D.
core   +2 more sources

A New Euastrum Species (Conjugatophyceae, Streptophyta) from the Western Desert of Egypt

open access: yesCryptogamie, Algologie, 2018
An Euastrum species (Conjugatophyceae, Streptophyta) was found in an agricultural ditch fed by a rheocrenic, slightly-hot spring 'Ain El-Balad' in the El-Farafra Oasis, Western Desert of Egypt.
Cantonati M.   +3 more
core   +4 more sources

Phytoplankton from Duas Bocas Reservoir, Espírito Santo State, Brazil (except diatoms)

open access: yesHoehnea
Duas Bocas is a small water supply reservoir (0.51 km²) located in a forested area (Duas Bocas Biological Reserve) (20º18'S and 40º28'W). Phytoplankton community was investigated by samplings weekly taken in the dry (July, 1998) and rainy (March 1999 ...
Alessandra Delazari-Barroso   +2 more
doaj   +2 more sources

Desmídias filamentosas (Conjugatophyceae) de um lago de inundação de águas pretas na Amazônia Central Filamentous desmids (Conjugatophyceae) from a floodpulse black water lake in Central Amazon

open access: yesActa Amazonica, 2010
Com base em 109 amostras coletadas em diferentes fases do ciclo hidrológico nos anos de 2002 a 2004 no lago Cutiuaú, um ambiente de águas pretas localizado no Parque Nacional do Jaú na bacia do rio Negro, foi realizado um levantamento taxonômico das ...
Karla Ferreira Souza, Sérgio Melo
doaj   +3 more sources

Flutuação anual e interanual da riqueza de espécies de desmídias (Chlorophyta – Conjugatophyceae) em um lago de inundação amazônico de águas pretas (Lago Cutiuaú, Estado do Amazonas, Brasil) - DOI: 10.4025/actascibiolsci.v31i3.1050 [PDF]

open access: yesActa Scientiarum: Biological Sciences, 2009
Nesta pesquisa foi avaliada a flutuação sazonal e interanual da riqueza específica de desmídias ao longo de diferentes períodos do ciclo hidrológico de 2002 a 2004, em um lago de inundação de águas pretas da bacia do rio Negro, no Estado do Amazonas.
Sérgio Melo, Karla Ferreira Souza
doaj   +4 more sources

NUTRITION OF CHUB Leuciscus cephalus (Linnaeasus, 1758) FROM RIVER BABUNA [PDF]

open access: yesCroatian Journal of Fisheries, 1997
on the total number of 550 fish being caught in 1978 on three parts of the river Babuna there was investigated quantitative composition of the food seasonally and on the age classes.
Rodne Nastova-Grorgjioska   +2 more
doaj   +3 more sources

Taxonomic notes on the species of the genus Micrasterias (Desmidiaceae, Conjugatophyceae) from the Metropolitan Region of Salvador, Bahia, Brazil [PDF]

open access: yesCheck List, 2018
We present the results of a taxonomic survey of the genus Micrasterias in the Metropolitan Region of Salvador (MRS), Bahia, northeastern Brazil during 2007–2010 and 2014–2015. A total of 275 phytoplanktonic and periphytic samples from
Maria A. Santos   +2 more
doaj   +4 more sources

Phytoplankton Abundance and Distribution Chloropyll-a in Reservoir

open access: yesDepik Jurnal
Organic matter entering through the inlet and activities in the Koto Panjang Reservoir body is feared to be the main source of nutrient contribution in the form of nitrogen (N) and phosphate (P) for reservoir waters.
Syahnan Aly Lubis   +2 more
doaj   +2 more sources

Update of the Brazilian floristic list of Algae and Cyanobacteria

open access: yesRodriguésia
An updated synthesis of cyanobacteria and algae information is presented for Brazil aiming to refine the data gathered to date and evaluate the progress of the biodiversity knowledge about these organisms in the country since the publication of the ...
Mariângela Menezes   +60 more
doaj   +2 more sources

Effect of heavy metals on phytobenthos assemblages in mine pit lakes of Bosnia and Herzegovina

open access: yesBiologica Nyssana, 2018
The field research was performed during autumn season in 2014, at six mine pit lakes in the territory of Bosnia and Herzegovina. During investigations concentration of certain heavy metals (Al, Cr, Zn, Ni and Fe) was measured and composition of ...
Ermin Mašić   +3 more
doaj   +2 more sources

Home - About - Disclaimer - Privacy