Results 31 to 40 of about 183 (164)
Caldasia, 1991 En la laguna de Chingaza (3265 m alt. Cordillera Oriental Colombiana), se realizaron muestreos de fitoplancton, mediciones de temperatura, oxígeno y parámetros físicos y químicos.
Donato R. John Charles
doaj
Biota. Human. TechnologyPurpose. Adding new distribution and microphotographs of a rare taxon of the genus Cosmarium found in a small pond in Chernihiv Polesie. Review of the history of this taxon study in Ukraine and its taxonomy, infraspecific taxa characters are compared ...
Yurii Karpenko +2 more
doaj +1 more source
Phytoplankton as bioindicators of water quality in Nasarawa reservoir, Katsina State Nigeria
Acta Limnologica Brasiliensia, 2020 : Aim Phytoplankton monitoring as bioindicators to assess the health of the Nasarawa reservoir and also to evaluate the relationship between phytoplankton and reservoir environmental variables.
Zahraddeen Hassan Yusuf
doaj +1 more source
HoehneaThis study aimed to document the species of Euastrum (Desmidiaceae) in a subtropical stream adjacent to an important environmental protection area, the Parque Nacional do Iguaçu, in the extreme west of Paraná State, Brazil.
Camila Akemy Nabeshima Aquino +3 more
doaj +1 more source
Acta 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 +1 more source
Taxonomic notes on the species of the genus Micrasterias (Desmidiaceae, Conjugatophyceae) from the Metropolitan Region of Salvador, Bahia, Brazil [PDF]
Check 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 +3 more sources
Some species of Cosmarium (Chlorophyta, Desmidiaceae) from the Transvaal
South African Journal of Botany, 1985 Transvaal specimens of Cosmarium decoratum W. & G.S. West var. decoratum, C. decoratum var. galpinii Claassen and C. striolatum (Näg.) Arch. var. nordstedtii (Möb.) W. Krieg. were examined with a light microscope and a scanning electron microscope. The cell wall ornamentation of C. decoratum var. decoratum and C. striolatum var.
Claassen, M. Isabella, Eicker, A.
openaire +1 more source
Levantamento florístico das Micrasterias (Desmidiaceae, Zygnematophyceae) do Pantanal de Poconé, MT, Brasil [PDF]
HoehneaRESUMO A área do presente estudo foi o Pantanal de Poconé, de onde foram coletadas 34 unidades amostrais em 17 locais distintos situados ao longo da Rodovia Transpantaneira.
Waléria F.O. Duarte-dos-Santos +2 more
doaj +2 more sources
New occurrences of Zygnematophyceae (Streptophyta) in subtropical lotic environments, Paraná, Brazil [PDF]
HoehneaThe study aimed to identify and record Zygnematophyceae species, highlighting new occurrences in three river basins of western Paraná State (Paraná III, Piquiri, and Iguaçu).
Maria Clara Pilatti +6 more
doaj +2 more sources
Brazilian Journal of Biology, 2018 Cosmarium bromelicola sp. nov. is a new desmid species described from samplings carried out in bromeliad tanks (phytotelmata) from an area of rocky outcrops at Serra da Jiboia, Bahia State, Northeast Brazil.
G. J. P. Ramos +2 more
doaj +1 more source