Results 71 to 80 of about 2,684 (228)

Adição de registros de Cosmarium Corda ex Ralfs (Conjugatophyceae, Desmidiaceae) para a região Nordeste do Brasil

Hoehnea
RESUMO A partir do estudo taxonômico de desmídias em ambientes lóticos e lênticos da Área de Proteção Ambiental Litoral Norte, Bahia, Brasil, foram catalogados 35 táxons pertencentes ao gênero Cosmarium Corda ex Ralfs, dos quais 33 estão sendo ...
Ivania Batista de Oliveira, Carlos Eduardo de Mattos Bicudo, Carlos Wallace do Nascimento Moura   +2 more
doaj   +1 more source

Changes in feeding biology of Nile tilapia, Oreochromis niloticus (L.), after invasion of water hyacinth, Eichhornia crassipes (Mart.) Solms, in Lake Victoria, Kenya [PDF]

, 1999
Oreochrimis niloticus (L.) was introduced to Lake victoria in the 1950s. It remained relatively uncommon in catches until 1965, when the numbers began to increase dramatically.
Njiru, M.
core  

On the new desmids parasite - Legenidium podbielkowskii sp.nov.

Acta Mycologica, 2014
Below is a description of the new fungus parasitizing on Micrasterias denticulata Bréb. The fungus has been named Lagenidium podbielkowskii sp. nov. and the taxonomic relationships with the most closely allied species, namely - L.
Andrzej Batko
doaj   +1 more source

5. Biogeography of desmids [PDF]

Hydrobiologia, 1996
Compared with other groups of unicellular freshwater algae, desmids lend themselves well to biogeographical studies since, at species level, identification is often relatively easy, whereas high ecological demands use to curtain their geographical distribution. Considering some ten desmid floral regions as distinguished in the beginning of this century,
openaire   +1 more source

Desmids (Zygnematophyceae) from the littoral zone of an urban artificial lake: taxonomic aspects and geographical distribution

Acta Limnologica Brasiliensia, 2018
Aim: The aim of this study was to assess the taxonomic aspects and geographical distribution of the periphytic desmids from two different substrates in the littoral zone of an urban artificial lake.
Camila Akemy Nabeshima Aquino, Gabriela Medeiros, Jascieli Carla Bortolini, Cinthia Coutinho Rosa Favaretto, Douglas Ticiani, Fiorindo José Cerqueira, Norma Catarina Bueno   +6 more
doaj   +1 more source

THE CYTOLOGY OF THE DESMIDS: THE CHROMOSOMES* [PDF]

New Phytologist, 1960
SummaryNew cytological techniques for handling desmid chromosomes are described. Twenty new chromosome counts are recorded.Parallel disjunction of chromatids at anaphase has been observed for the first time in the desmids, and from this and other criteria it has been inferred that a non‐localized type of centromeric organization of the chromosomes is ...
openaire   +1 more source

Emerging contaminants in the aquatic environment: phytoplankton structure in the presence of sulfamethoxazole and diclofenac. [PDF]

Environ Sci Pollut Res Int, 2023
Duarte JAP, Ribeiro AKN, de Carvalho P, Bortolini JC, Ostroski IC.   +4 more
europepmc   +1 more source

Cosmarium (Desmidiaceae, Zygnemaphyceae) da ficoflórula perifítica do reservatório de Rosana, bacia do rio Paranapanema, Paraná/São Paulo, Brasil

Hoehnea
Com este trabalho, objetivou-se divulgar espécies pertencentes ao gênero Cosmarium Corda, da comunidade perifítica de três regiões do reservatório de Rosana, Sul do Brasil.
Sirlene Aparecida Felisberto, Liliana Rodrigues   +1 more
doaj   +1 more source

Seasonal variations of physico-chemical factors and diversity of desmids (Algae) in Shahpura lake of Bhopal, India

Environment Conservation Journal, 2016
The study aimed at determining the seasonal variations of physico-chemical aspects and their effects on diversity of desmids in Shahpura Lake of Bhopal, India.
Bhawana Agrawal
doaj   +1 more source

Africa: the FBA connection [PDF]

, 1986
Since its inception in the 1930's the Freshwater Biological Association at Windermere, England has been involved in research on African lakes and rivers.
Fryer, G., Talling, J.F.
core