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Deionized ammonium (NH3) acute toxicity (LC50-96h) in Patagonian blenny juveniles (Eleginops maclovinus) was assessed. Concentrations of deionized ammonium in salt water were prepared by using 24.09 +/- 2.1 g ammonium chloride (NH4Cl). Fish were exposed in triplicates to different ammonium concen...


Mardones Lazcano, AlfonsoGonzalez, M.Rivas Mancilla, C.Vega Aguayo, RolandoAugsburger, A.Encina Montoya, FranciscoDe los Rios, P.[Determination of acute toxicity of ammonium in juvenile Patagonian blenny (Eleginops maclovinus)]Determination of acute toxicity of ammonium in juvenile Patagonian blenny (Eleginops maclovinus)
Rodriguez Luna, DanteVela, NuriaJavier Alcala, FranciscoEncina Montoya, Francisco[The environmental impact assessment in Chile: Overview, improvements, and comparisons]The environmental impact assessment in Chile: Overview, improvements, and comparisons

The benthic fauna in northern Patagonian streams is characterized by presence of water quality indicator species. The aim of the present study was characterized the benthic communities in streams associated to sites with presence of Nothofagus forests and with human intervention without Nothofagu...


De Los Ríos Escalante, PatricioEsse, CarlosSantander Massa, RodrigoSaavedra, PabloEncina Montoya, Francisco[Benthic macroinvertebrate communities in sites with native forest presence and absence in north Patagonia]Benthic macroinvertebrate communities in sites with native forest presence and absence in north Patagonia

Galaxias maculatus (Jenyns, 1842), is a gourmet fish of great commercial importance with overexploited fisheries. So, studies of its biology are essential in order to develop a technology for its cultivation (galaxiculture), which is at a pilot stage. The goals of this work are: 1) to provide a s...


Vega Aguayo, RolandoDantagnan Dantagnan, PatricioMardones Lazcano, AlfonsoValdebenito Isler, IvánZamorano, JoseEncina Montoya, Francisco[Biological bases for whitebait culture Galaxias maculatus (Jenyns, 1842): a review]Biological bases for whitebait culture Galaxias maculatus (Jenyns, 1842): a review

Ecosystem services provide many benefits to society. These services have been classified into four categories: provisioning services, regulating, cultural and support. One of the major gaps in mapping these services is related to the lack of a standardized methodology that integrates biophysical ...


Esse, CarlosValdivia, PauloEncina Montoya, FranciscoAguayo, CarlosGuerrero, MarcelaFigueroa, David[A multi-criteria model for mapping ecosystem services in forested watersheds, southern Chile]A multi-criteria model for mapping ecosystem services in forested watersheds, southern Chile

The use of antifungals was assessed to improve embryo survival of Galaxias maculatus. Three treatments using formalin dose of 250 ppm, iodine dose of 100 ppm, and sea salt in doses of 30 ups were designed, and a control treatment under 10 of salinity water. For each treatment and control, 15 repl...


Barile Sanhueza, JuanEscudero, ManuelRomero, JuanEncina Montoya, Francisco[Embryonic survival of Galaxias maculatus (Jenyns, 1842), under different prophylactic immersion bath]Embryonic survival of Galaxias maculatus (Jenyns, 1842), under different prophylactic immersion bath

Galaxias maculatus is an osmeriform native fish of the Southern Hemisphere, in which the crystalline larvae is considered as a luxury delicacy, for this reason, it has been commercially exploited in Chile, Argentina and New Zealand. However, the fisheries have been rapidly decreasing due to the o...


Encina Montoya, FranciscoVega Aguayo, RolandoMardones Lazcano, AlfonsoRueda, TeresaTello, Alfredo[Characterization of whitebait (Galaxias maculatus) respiratory rates to optimize intensive culture carrying capacities]Characterization of whitebait (Galaxias maculatus) respiratory rates to optimize intensive culture carrying capacities

The Cautin river is located in the 137 years old Araucania region, Chile (38 degrees S), and is characterized by alterations through human interference due agriculture and towns in its surrounding basin, the presence of salmonids, and by its mixed regime, originated from snow melting in summer an...


Vega Aguayo, RolandoDe los Rios, P.Encina Montoya, FranciscoNorambuena, J. A.Barile Sanhueza, JuanMardones Lazcano, Alfonso[First report of inventory and role of macroinvertebrates and fish in Cautin river (38 degrees S, Araucania region Chile)]First report of inventory and role of macroinvertebrates and fish in Cautin river (38 degrees S, Araucania region Chile)
Solano Solís, JaimeAnabalon, LeonardoEncina Montoya, Francisco[Identification case of evidence in timber tracing of Pinus radiate, using high-resolution melting (HRM) analysis]Identification case of evidence in timber tracing of Pinus radiate, using high-resolution melting (HRM) analysis

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