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217  Articles
1 of 23 pages  |  10  records  |  more records»
Los modelos biogeoquímicos en la actualidad son utilizados para entender y cuantificar los principales procesos biogeoquímicos que suceden en el océano. El objetivo del presente estudio es validar estadísticamente la habilidad predictiva de una simulación... see more

Foi estudado o regime alimentar de 455 exemplares do bagre Cathorops spixii (Pisces, Ariidae) do estuário do rio Potengí (5°48’02’’S e 35°14’71’’W) Natal, Rio Grande do Norte, durante o período de março de 1997 a fevereiro de 1998, provenientes de amostra... see more

Paper description:Limbaugh’s damselfish (Chromis limbaughi) is exploited for the aquarium trade, with all fish captured in the wild.Knowledge of its reproductive biology can contribute to the development of captive breeding, which would alleviate fishing ... see more

The aim of this work is to begin: in a systematic way, the aplication of teeth, ichthyodorulites and scales of fish in the strayigraphy. New tecntcs of morphologic descriptions and sistematizaton were created to permit a more efictent and adequate stratig... see more

Ploidization of Mystacoleucus padangensis Bleeker, 1852 (Pisces: Cyprinid) with heat shock induction has been carried out from January to September 2014 at Genetics and Cytology Laboratory, Biology Department of Faculty of Mathematics and Natural Sciences... see more

The morphological analysis of Puntius binotatus Valenciennes 1842 (Pisces: Cyprinidae) collected from several locations in West Sumatra has been conducted from April to June 2012. Several morphological characters were measured and analyzed using principal... see more

El cadmio proveniente de las actividades antropogénicas, ha sido involucrado en forma directa con el desarrollo de alteraciones fisiológicas, por lo cual se determinaron los cambios provocados en tilapias (Pisces: Cichlidae. Oreochromis sp) expuestas a co... see more

El cadmio es un contaminante potencial para la biota acuática cuya presencia en el ambiente proviene de los procesos industriales. Se determinó la concentración de cadmio, calcio y magnesio en muestras de tejido de tilapia roja (Oerochromis sp. Pisces: Ci... see more

El bagre zamurito (Calophysus macropterus) es uno de los pimelódidos de importancia económica en las capturas pesqueras fluviales, y presenta las condiciones requeridas para su cultivo en sistemas de producción acuícola. Sin embargo, se debe afinar la met... see more

1 of 23 pages  |  10  records  |  more records»