Results 101 to 110 of about 12,895 (155)

The helminth communities structure of Galaxias maculatus (Osmeriformes: Galaxiidae) in different sites of an Argentinean Patagonian lake. [PDF]

open access: yes, 2015
La variación espacial de las comunidades de helmintos en un sistema acuático puede atribuirse a diferentes factores bióticos y abióticos. En América del Sur, este tipo de estudios no se han realizado en ambientes de agua dulce. El lago Nahuel Huapi es el
Semenas, Liliana   +4 more
core   +1 more source

Primeros estadios del ciclo de vida de peces nativos del Río San Pedro (Cuenca del Rio Valdivia, Chile) First stages of the life cycle in native fish from the San Pedro River (Valdivia River Basin, Chile)

open access: yesGayana, 2012
Los estadios de huevos, larvas y juveniles de los peces de agua dulce nativos de Chile son prácticamente desconocidos. Conocer su estacionalidad, morfología y uso de hábitat es relevante para comprender su biología y permitir la conservación de esta ...
Germán Montoya   +4 more
doaj  

Pelagic communities and ecosystem processes in Andean Patagonian lakes

open access: yesEcología Austral, 1998
Limiting nutrients, nitrogen and phosphorus, are of crucial importance in the structure and dynamics of freshwater plankton. Oligotrophic lakes are nutrient limited environments and therefore their plankton dynamics depends mostly on internal mechanisms
Esteban Balseiro, Beatriz E. Modenutti
doaj  

Efecto combinado de la temperatura y salinidad sobre la supervivencia embrionaria de Galaxias maculatus [PDF]

open access: yes, 2015
This study aims to evaluate the effect of temperature and salinity on Galaxias maculatus embryo survival. Embryos were incubated at 5, 10 and 15°C and 0, 10 and 30 psu. At 5°C all salinities induced 100% mortality. Furthermore, salinity of 30, regardless

core  

Southern Chile, trout and salmon country: invasion patterns and threats for native species Sur de Chile, país de truchas y salmones: patrones de invasión y amenazas para las especies nativas

open access: yesRevista Chilena de Historia Natural, 2006
In order to evaluate the present distribution patterns of salmonids and their potential effects on native fish, we sampled 11 large lakes and 105 streams, encompassing a total of 13 main hydrographic watersheds of southern Chile (39° to 52°S).
DORIS SOTO   +7 more
doaj  

Editorial: Application of fishes as biological models in genetic studies. [PDF]

open access: yesFront Genet, 2022
Silveira T   +3 more
europepmc   +1 more source

Efecto del pH sobre la supervivencia embrionaria, periodo embrionario y de eclosión de Galaxias maculatus

open access: yes, 2016
This study aims to evaluate the effect of pH on embryonic survival of Galaxias maculatus. Embryos were incubated at 6 different pH levels in the water.
Barile, Juan   +2 more
core  

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