Results 61 to 70 of about 3,100 (181)

Assessment of the effect of a commercial formulation of Methomyl on reproduction of Daphnia obtusa Kürz (1874)

open access: yesLatin American Journal of Aquatic Research, 2013
The aim of this study was to evaluate the effect of a commercial formulation of Methomyl on the reproduction in Daphnia obtusa. Neonates (
Hernán Gaete   +2 more
doaj  

Acute toxicity and sublethal effects of the mixture glyphosate (Roundup® Active) and Cosmo-Flux®411F to anuran embryos and tadpoles of four Colombian species

open access: yesRevista de Biología Tropical, 2015
Glyphosate is the most widely used herbicide in the world with application in agriculture, forestry, industrial weed control, garden and aquatic environments.
Liliana Marcela Henao Muñoz   +2 more
doaj  

Cellular transport of microcystin-LR in rainbow trout (Oncorhynchus mykiss) across the intestinal wall: possible involvement of multidrug resistance-associated proteins [PDF]

open access: yes, 2014
We studied Abcc mediated-transport in middle and posterior intestine of the rainbow trout, Oncorhynchus mykiss. Luminal and serosal transport were evaluated in everted and non-everted intestinal sacs, respectively, incubated with 1-chloro-2,4 ...
Bieczynski, Flavia   +5 more
core   +1 more source

Mecanismos de tolerancia a elementos potencialmente tóxicos en plantas

open access: yesBotan‪ical Sciences, 2008
Las plantas presentan una serie de mecanismos celulares que pueden estar participando en la tolerancia a elementos potencialmente tóxicos. Estos mecanismos consisten en la formación de micorrizas, e l secuestro del metal en la pared celular de la planta,
Daniel González-Mendoza   +1 more
doaj   +1 more source

Ictiólogos de la Argentina: Alfredo Salibián [PDF]

open access: yes, 2011
This series will include all those people who, by means of their contributions, great and small, played a part in the consolidation of ichthyology in Argentina.
López, Hugo Luis, Ponte Gómez, Justina
core   +1 more source

Effect of Cadmium on the population growth of the marine diatom Chaetoceros gracilis Schutt

open access: yesRevista Peruana de Biología, 2014
Phytoplankton constitutes the base of the trophic webs in the marine environment, so it is important to know the possible effects of pollutants on the algal populations.
Giovana Vera   +3 more
doaj   +1 more source

Filling the Gap: A Comprehensive Freshwater Network to Map Microplastics across Ecological Gradients in Argentina

open access: yes
Limnology and Oceanography Bulletin, Volume 33, Issue 2, Page 85-88, May 2024.
María B. Alfonso   +56 more
wiley   +1 more source

Sensitivity bioassays of the Cnesterodon decemmaculatus and Pimephales promelasin a series of samples of effluent and reference toxicant

open access: yesInnotec, 2015
This study compared the toxicological sensitivity quantified by the 50% lethal dose of acute toxicity bioassays of Cnesterodon decemmaculatusand Pimephales promelasin benchmark exposure to toxic industrial effluents, wastewater effluents and reference ...
Gustavo Saona   +4 more
doaj  

Biomarcadores etológicos no invasivos de estrés ambiental: estudio comparativo en dos teleosteos de ecosistemas de la región pampeana argentina [PDF]

open access: yes, 2006
Mediante un dispositivo de registro automático se estudió el efecto de la exposición a soluciones subletales de Cd2+ (0.3 mg. L'1) sobre algunos parámetros etológicos de juveniles de Cyprinus carpió (carpa común) y de Astyanax fasciatus (“mojarra”).
Eissa, B. L.   +3 more
core   +1 more source

El tóxico nuestro de cada día [PDF]

open access: yes, 2015
Muchas ocupaciones, profesiones y diversas disciplinas científicas implican la manipulación de sustancias químicas peligrosas. También las utilizamos diariamente en el ámbito hogareño. ¡Sí, en casa también las manipulamos!
Bartel, Laura   +2 more
core  

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