Results 41 to 50 of about 640 (155)

Rotifer community structure along a stretch under the influence of dams in the Upper Paraná River floodplain

open access: yesActa Scientiarum: Biological Sciences, 2015
The construction of reservoirs imposes substantial impact on freshwater ecosystems and changes the ecological aspects of the lotic system downstream of dams.
Tatiane Mantovano   +4 more
doaj   +1 more source

Rotifers in Lake Orta: a potential ecological and evolutionary model system [PDF]

open access: yes, 2016
Lake Orta experienced for a few decades a unique history of chronic pollution, with extreme changes in pH and copper concentration. Currently, the lake has recovered to its almost pristine oligotrophic conditions, but its sediments still preserve the ...
Fontaneto, Diego   +4 more
core   +3 more sources

Novas ocorrências de Lecane no plâncton de distintos ambientes da planície de inundação do alto rio Paraná = New occurrences of Lecane in plankton in different environments of the upper Paraná river floodplain

open access: yesActa Scientiarum: Biological Sciences, 2008
A planície de inundação do alto rio Paraná possui grande diversidade de rotíferos, com 288 táxons planctônicos registrados. Estudos realizados, nesse ecossistema, desde 1992, mostram que Lecanidae é a família mais especiosa, com 45 táxons registrados ...
Ciro Yoshio Joko   +3 more
doaj  

Effect of water hyacinth (Eichhornia crassippes) infestation on zooplankton populations in Awba Reservoir, Ibadan, south-west Nigeria [PDF]

open access: yes, 2007
The effect of water hyacinth infestation on the abundance, distribution and species composition of zooplankton in Awba Reservoir were investigated.
Chukwuka, K.S., Daddy, F., Uka, U.N
core  

Biology of Ceroplastesrusci L. (Coccoidea: Lecanidae) on fig tree, Ficus carica L. in the area of Médéa (Algeria)

open access: yesAgriculture and Biology Journal of North America, 2012
The biology of C.rusci was studied during an annual cycle on fig tree (Ficus carica) in the area of Medea (Algeria). This species expresses two generations autumnal and spring. The hivernation is carried out at the stage young female with which they are associated the larvae with the second stage females.
M. Biche, R. Belguendouz
openaire   +1 more source

EVALUACIÓN DE LA ROTIFEROFAUNA PRESENTE EN EL COMPLEJO DE PAJARALES DURANTE LA ÉPOCA LLUVIOSA, DEPARTAMENTO DE MAGDALENA, COLOMBIA

open access: yesActa Biológica Colombiana, 2008
Con miras a evaluar posibles efectos de la recomunicación del río Magdalena con su antiguo delta, se determinó la abundancia y composición de la rotiferofauna del Complejo de Pajarales (CP), durante el período de mayor abundancia anual de zooplancton. El
SEBASTIÁN CELIS   +2 more
doaj  

Studies on rotifer ecology of Lake Mansar (Ramsar site), Jammu, J&K

open access: yesEnvironment Conservation Journal, 2015
Rotifers represent microscopic zooplankton fauna, occurring prevalently in freshwater. In the present study, monthly qualitative and quantitative analysis of phylum Rotifera was carried out in lake Mansar, Jammu, during the year 2011-2012 and has been ...
D. Slathia , Sheetu Dhar
doaj   +1 more source

Zur Kenntnis der Rotatorienfauna (Rotifera) der Insel Hainan, China : Teil 2 [PDF]

open access: yes, 2012
Im Dezember 1995 wurden aus verschiedenen Gewässertypen der Insel Hainan, China, Proben genommen, um sie auf das Vorkommen von Rotatorien (Rädertiere) zu untersuchen.
Koste, Walter, Zhuge, Yan
core  

Rotifer communities of Deepor Beel, Assam, India: richness, abundance and ecology

open access: yesJournal of Threatened Taxa, 2010
Plankton samples collected from two sampling stations of Deepor Beel (a Ramsar site in Assam, northeastern India) between November 2002 and October 2003, reveal 110 and 100 species of Rotifera, exhibit monthly richness ranging between 43-65 (56 plus or ...
B.K. Sharma
doaj   +1 more source

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