Results 81 to 90 of about 5,357 (110)

Plankton dynamics and photosynthesis responses in a eutrophic lake in Patagonia (Argentina): influence of grazer abundance and UVR Dinámica del plancton y respuestas fotosintéticas en una laguna eutrófica de Patagonia (Argentina): influencia de la abundancia de herbívoros y RUV

open access: yesLatin American Journal of Aquatic Research, 2011
A natural plankton population from the eutrophic lake Cacique Chiquichano, in the Argentine Patagonia, was monitored for one year to evaluate changes in photosynthetic parameters as a result of exposure to ultraviolet radiation (UVR, 280-400 nm), grazer ...
Rodrigo J Gonçalves   +4 more
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Regulatory factors in crustacean zooplankton assemblages in mountain lakes of northern Chilean Patagonia (38-41°S): a comparison with Bulgarian counterparts (42°N) Factores reguladores en ensambles de crustáceos zooplanctónicos en lagos de montaña del norte de la Patagonia chilena (38-41°S): una comparación con sus contrapartes de Bulgaria (42°N)

open access: yesLatin American Journal of Aquatic Research, 2012
Chilean Patagonia has protected mountainous areas with evergreen native forests; in which the lakes and rivers, of volcanic or glacial origin, are oligotrophic. In Bulgaria, there are mountainous zones with native forests and associated lakes of volcanic
Patricio De los Ríos-Escalante   +4 more
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Cambios en la diversidad y variación interanual de la abundancia del zooplancton de un lago somero urbano de La Pampa

open access: yesBiología Acuática, 2019
Don Tomás es un lago poco profundo urbano, turbio e hipereutrófico ubicado en el lado oeste de Santa Rosa. Debido a que tiene una importante población de pejerrey (Odontesthes bonariensis), este lago es importante para actividades recreativas y ...
Santiago Andrés Echaniz   +3 more
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Variabilidad de la abundancia de zooplancton en Bahía Magdalena Baja California Sur, México (1997-2001) Zooplankton abundance variability in Magdalena Bay, Baja California Sur, Mexico (1997-2001)

open access: yesLatin American Journal of Aquatic Research, 2010
Se analizaron muestras de zooplancton de 16 campañas oceanógraficas, efectuadas en Bahía Magdalena, Baja California Sur, México, entre agosto de 1997 y marzo de 2001.
Sergio Hernández-Trujillo   +2 more
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Seasonal variations of species composition and abundance of zooplankton in Ehoma Lake, a floodplain lake in Nigeria

open access: yesRevista de Biología Tropical, 2010
Ehoma Lake is among the important breeding sites of the major fishes in the Mid-Cross River, Nigeria. The juveniles of these fishes are solely dependent on zooplankton, which has not been studied previously.
Okechukwu. I Okogwu
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Depth-selection patterns and diel vertical migration of Daphnia ambigua (Crustacea: Cladocera) in lake El Plateado Patrones de selección de profundidad y migración vertical de Daphnia ambigua (Crustacea: Cladocera) en el lago El Plateado

open access: yesRevista Chilena de Historia Natural, 2001
Eutrophic temperate and sub-tropical lakes often exhibit a marked vertical structure during the warm season that involves important spatial differences of physical, chemical and biological variables.
RODRIGO RAMOS-JILIBERTO   +1 more
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Diminuto y fundamental zooplancton de agua dulce

open access: yes, 2017
¿Qué ocurre con los organismos que son difíciles de observar y que no parecen tener implicaciones para los seres humanos? Este es el caso de los diminutos seres que viven flotando en el agua dulce o de mar y se desplazan pasivamente con las corrientes.La
Gutiérrez, Manuel Elías; ECOSUR
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Zooplancton du Léman. Campagne 2010

open access: yes, 2011
Ce rapport est disponible dans : Rapports sur les Etudes et recherches Entreprises dans le Bassin Lémanique, 2010As in previous years, seasonal changes in crustacean abundances were, in 2010, consistent with the classical "Plankton Ecology Group" model ...
Perga, Marie-Elodie, Lainé, Leslie
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Zooplancton e hidrodinámica en zonas litorales y arrecifales de Quintana Roo, México

open access: yes, 2017
An analysis of the processes affecting the small-scale distribution of zooplankton in coastal and reef zones of the Mexican Caribbean, is presented herein.
Rivera Arriaga, Evelia   +1 more
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Modélisation du zooplancton et du micronecton marins

open access: yes, 2016
Zooplankton and micronecton are the first marine trophic levels. Different by their size (200μm to 2mm for zooplankton, 2 to 20cm for micronekton), this two groups undergo diel vertical migration from depth by day to the surface during the night.
Conchon, Anna
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