| selenium and mercury in native and introduced fish species of patagonian lakes, argentina. | a survey of mercury (hg) and selenium (se) contents was performed in fish collected from lakes located in two national parks of the northern patagonian andean range. two native species, catfish (diplomystes viedmensis) and creole perch (percichthys trucha), and three introduced species, brown trout (salmo trutta), rainbow trout (oncorhynchus mykiss), and brook trout (salvelinus fontinalis), were caught from lakes nahuel huapi, moreno, traful, espejo chico, and guillelmo belonging to nahuel huapi ... | 2008 | 18214390 |
| rb-cs ratio as an indicator of fish diet in lakes of the patagonia, argentina. | the ratios of rb to cs contents were studied in five fish species from seven lakes located in the patagonia andean range, argentina in order to trace fish diet. the species studied were native velvet catfish (diplomistes viedmensis) and creole perch (percichthys trucha), and exotic brown trout (salmo trutta), rainbow trout (oncorhynchus mykiss), and brook trout (salvenilus fontinalis). rainbow trout specimens from two farms were also studied, as well as fish food items and native mussels (diplod ... | 2006 | 16943600 |
| trace elements as fingerprint of lake of provenance and of species of some native and exotic fish of northern patagonian lakes. | a survey of trace element contents in fish muscle and liver was performed in different lakes of two northern patagonian national parks: nahuel huapi and los alerces national parks. the aim of the work was to obtain the first set of reference data on elements that are not liable to be disturbed by human activities and to identify compositional patterns related to the species and site of collection. the species studied are native creole perch and velvet catfish and exotic brown trout, rainbow trou ... | 2006 | 16943599 |