Results 41 to 50 of about 2,767 (153)

Action of the Metalloproteinases in Gonadal Remodeling during Sex Reversal in the Sequential Hermaphroditism of the Teleostei Fish Synbranchus marmoratus (Synbranchiformes: Synbranchidae) [PDF]

open access: yes, 2018
Teleostei present great plasticity regarding sex change. During sex reversal, the whole gonadincluding the germinal epithelium undergoes significant changes, remodeling, and neoformation.However, there is no information on the changes that occur within ...
Antoneli, Fernanda   +3 more
core   +2 more sources

PRIMER REPORTE DE Oxyrrhis marina DUJARDIN 1841 EN LA BAHÍA DE GUANTÁNAMO, CUBA/ Oxyrrhis marina Dujardin 1841 first report in Guantanamo Bay, Cuba

open access: yesRevista de Investigaciones Marinas, 2014
Oxyrrhis marina Dujardin 1841 es una morfoespecie fagotrófica con una distribución universal. Si bien se reconoce su presencia en varios ecosiste(CNEA).
Liliana Gómez Luna   +2 more
doaj  

PRIMER REPORTE DE Cochlodinium polykrikoides (MARGALEF, 1961) EN AGUAS CUBANAS.

open access: yesRevista de Investigaciones Marinas, 2023
Se describe por vez primera la presencia del dinoflagelado potencialmente tóxico, formador de mareas rojas Cochlodiniu polykrikoides (Margalef, 1961) en aguas de la Bahía de Santiago de Cuba, ubicada en la costa suroriental de Cuba durante los meses de ...
Liliana Gómez   +3 more
doaj  

Bibliometric analysis of freshwater macroinvertebrate behavioral studies [PDF]

open access: yes, 2017
[Resumen:] En el presente trabajo se llevó a cabo un análisis bibliométrico con el fin de evaluar el estado de los estudios sobre comportamiento de macroinvertebrados acuáticos de agua dulce.
Rey Rodríguez, Claudia
core  

Semblanzas ictiológicas : Fabiana Laura Lo Nostro [PDF]

open access: yes, 2014
Fil: López, Hugo Luis. División Zoología Vertebrados. Facultad de Ciencias Naturales y Museo. Universidad Nacional de La Plata; ArgentinaFil: Ponte Gómez, Justina. División Zoología Vertebrados. Facultad de Ciencias Naturales y Museo.
López, Hugo Luis, Ponte Gómez, Justina
core  

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  

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

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

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

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