Results 51 to 60 of about 658 (122)
Fishes of Ceylon: a catalogue, key and bibliography [PDF]
, 1954 A knowledge of the specific composition of Ceylon fish fauna is essential to any programme of development of commercial fisheries, or the study of Ceylon's ichthyology and the need for cataloguing it has been keenly felt for many years.
Mendis, A.S.
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PREDICCIÓN ECO TOXICOLÓGICA DE PARÁMETROS FÍSICO - QUÍMICOS, PLOMO Y CA DMIO EN EL RÍO RAMIS - CUENCA HIDROGRÁFICA TITICAC A , PUNO - PERÚ [PDF]
, 2017 La contaminación de las aguas en cuencas hidrográficas, representa un grave peligro tanto para los ecosistemas como a la salud pública, siendo la misma en la actualidad una preocupación de seguridad nacional en varios países.
Argota Pérez, George
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Histopathological effects and toxicity of atrazine herbicide in Caspian kutum, Rutilus frisii kutum, fry [PDF]
, 2014 This study aimed to investigate the toxic effects of atrazine herbicide on the fry of Caspian kutum (Rutilus frisii kutum, Kamensky, 1901). First the 96-h LC50 of the fry were exposed to atrazine at the concentration of 24.95 ppm was determined. Then the
Jamili, Sh. +4 more
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Intestinal digestive enzyme activity under the influence of different dietary supplements methionine and lysine in the diet of Sparidentex hasta [PDF]
, 2016 This study was conducted to determine the effects of dietary methionine and lysine supplementation on digestive enzymes activity in juvenile Sobaity, Sparidentex hasta.
Kochanian, P. +4 more
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, 2021 El objetivo del estudio evaluar la neuro-respuesta de memoria ante condiciones físico-químicas de calidaddel agua en el biomonitor Gambusia punctata, Poey 1854. El estudio se realizó, entre febrero y abril de2021 en la zona ambiental de aproximación y que corresponde, a la parte baja del río Almendares, LaHabana, Cuba.
Argota-Pérez, George +2 more
openaire +1 more source
, 2022 El objetivo del estudio fue describir la depredación de la fase larvaria de Aedes aegypti (Linnaeus, 1762) por el biorregulador Gambusia punctata (Poey, 1854) en condiciones nocturnas. El estudio se realizó en un tanque de agua potable de origen doméstico con capacidad de 20 000 L. Se ubicaron 10 hembras adultas de G.
Argota-Pérez, George, Iannacone, José
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Campus, 2016 La contaminación de los ecosistemas acuáticos por metales pesados es uno de los principales problemas ambientales por resolver, por cuanto su análisis e interpretación es sobre la relevancia en recurrir finalmente, a las matrices biológicas ...
George Argota Pérez
doaj
Publications of the Gulf Coast Research Laboratory Museum, Vol. 2 [PDF]
, 1971 This volume consists of the following: Luis R. Rivas, A new subspecies of poeciliid fishes of the genus Gambusia from eastern Cuba William L. Fink, A revision of the Gambusia puncticulata complex (Pisces: Poeciliidae) William L.
Dawson, C.E.
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Zooplankton community from restored peridunal ponds in the Mediterranean region (L' Albufera Natural Park, Valencia, Spain) [PDF]
, 2010 The zooplankton of eight restored peridunal ponds located in L' Albufera Natural Park (Valencia, Spain) was sampled fortnightly from November 2006 to July 2007 to study the effect of hydroperiod, restoration and other environmental variables in the ...
Armengol Díaz, Xavier +1 more
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, 2022 The aim of the study was to determine the speed of displacement-capture of the food (SDCF) and the bioaccumulation of cadmium in the backbone of Gambusia punctata (Poey, 1854). The study was carried out in the San Juan River in Santiago de Cuba, Cuba.
Argota-Pérez, George +3 more
openaire +1 more source