Results 91 to 100 of about 2,635 (196)

O gênero Cosmarium Corda ex Ralfs (Desmidiaceae) no reservatório de Itaipu, PR, Brasil

open access: yesHoehnea
O trabalho objetivou o levantamento florístico do gênero Cosmarium em um tributário do Reservatório de Itaipu, na região Oeste do Paraná. Foram coletadas amostras mensais da comunidade biológica em cinco estações de amostragem na região limnética do ...
Viviane Costa de Menezes   +4 more
doaj   +1 more source

Desmids of a dune-surrounded lake in Zieleniec near Warsaw

open access: yesActa Societatis Botanicorum Poloniae, 2015
The author reports the results of investigations of 12 months duration on the flora and changes in the quantitative composition of desmids in a lake enclosed by dunes.
Grażyna H. Tomaszewicz
doaj   +1 more source

Desmidiaceae (exceto Cosmarium) de um tributário do reservatório de Itaipu, Paraná, Brasil

open access: yesHoehnea
Levantamento florístico das Desmidiaceae (exceto Cosmarium) de um tributário do Reservatório de Itaipu. Realizou-se análise qualitativa de 60 amostras, coletadas no período de julho de 2003 a junho de 2004. Quarenta e uma espécies, dez variedades que não
Stefania Biolo   +2 more
doaj   +1 more source

New records of Cosmarium Corda ex Ralfs (Desmidiaceae, Zygnematophyceae) in a tributary of the Itaipu Reservoir, Paraná, Brazil

open access: yesActa Botânica Brasílica, 2013
This work is part of a survey of the desmid flora in a tributary of the Itaipu Reservoir, in the state of Paraná, Brazil. The objective was to expand the knowledge base regarding the genus Cosmarium (Desmidiaceae, Zygnematophyceae).
Stefania Biolo   +3 more
doaj  

Contribuição ao conhecimento de Cosmarium Corda ex Ralfs (Desmidiaceae, Zygnematophyceae) para a Bahia e o Brasil

open access: yesHoehnea
Este estudo teve como objetivo identificar os táxons do gênero Cosmarium presentes em duas Áreas de Proteção Ambiental da planície litorânea do norte da Bahia e contribuir para o conhecimento da biodiversidade do estado, bem como ampliar o conhecimento ...
Ivania Batista de Oliveira   +2 more
doaj   +1 more source

What the largest tadpole feeds on? A detailed analysis of the diet composition of Pseudis minuta tadpoles (Hylidae, Dendropsophini)

open access: yesAnais da Academia Brasileira de Ciências, 2016
We analyzed the diet of 25 individuals of Pseudis minuta tadpoles which consisted in debris with more than 30%, follow by diatoms, euglenids, green algae, and desmids. With regard to the feeding strategy, P. minuta tadpoles are generalist consumer.
SÔNIA HUCKEMBECK   +3 more
doaj   +1 more source

Phytoplanktonic desmids community in Donghu Lake, Wuhan, China

open access: yes, 2005
For compilation and comparison of desmids flora, the authors restudied the species composition, cell density and biomass of phytoplankton desmids collected at six stations in Donghu Lake at intervals of three months monitored from March of 1956 to ...
Wei Yinxin   +2 more
core  

Unveiling hidden species diversity in desmids (Desmidiales, Viridiplantae)

open access: yes, 2013
The delineation of desmid species was traditionally based on purely morphological features. However, a frequent misinterpretation of morphological variability in desmids has led in the past to extensive taxonomical confusion within this important group ...
Šťastný, Jan
core   +1 more source

Desmids from Bees-hazaar Lake, Chitwan, Nepal

open access: yes, 2010
A total 36 taxa belonging to 7 genera of desmids have been described and illustrated from Bees-hazaar lake of which 11 taxa are recorded for the first time for Nepal.

core  

The extracellular polymeric substances of desmids (Conjugatophyceae, Streptophyta): Chemistry, structural analyses and implications in wetland biofilms

open access: yes, 2007
Desmids represent a group of advanced green algae that are commonly found in biofilm communities of freshwater wetlands. Desmids secrete significant amounts of extracellular polymeric substances (EPS) that form an extensive mucilaginous sheath external ...
Domozych, David S.   +2 more
core   +1 more source

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