Influence of volcanic activity and anthropic impact in the trace element contents of fishes from the North Patagonia in a global context.
The elemental contents in salmonid muscle and liver tissues from different lakes around the world were investigated. Fish from pristine areas were compared with those fishes from impacted environments, both by volcanic and anthropogenic activities. Within the data, special attention was given to fishes from the Andean Patagonian lakes in two contexts: local and global. The local evaluation includes geological and limnological parameters and diet composition which were obtained through a data search from published works. The volcanic influence in Andean Patagonian lakes was mainly observed by an increase of cesium (Cs) and rubidium (Rb) concentrations in fishes, influenced by calcium (Ca) and potassium (K) water contents. Zinc (Zn), selenium (Se), iron (Fe), silver (Ag), and mercury (Hg) contents in fishes showed the effect of the geological substratum, and some limnological parameters. The diet composition was another factor which affects the elemental concentration in fishes. The analyzed data showed that the fishes from Andean Patagonian lakes had elemental content patterns corresponding to those of pristine regions with volcanic influence. Selenium and Ag contents from Andean Patagonian fishes were the highest reported.
Laboratorio de Análisis por Activación Neutrónica, Centro Atómico Bariloche, CNEA, Av. Bustillo km 9.5, 8400, Bariloche, Argentina. bubachd@cab.cnea.gov.ar.
D F
DF
Bubach
Grupo de Evaluación y Manejo de Recursos Ícticos, Centro Regional Universitario Bariloche, CRUB, Universidad Nacional del Comahue, UNC, Neuquén, Argentina.
P J
PJ
Macchi
Laboratorio de Análisis por Activación Neutrónica, Centro Atómico Bariloche, CNEA, Av. Bustillo km 9.5, 8400, Bariloche, Argentina.
S
S
Pérez Catán
D000818:Animals; D001118:Argentina; D002586:Cesium; D004777:Environment; D004784:Environmental Monitoring; D005399:Fishes / Q000378:metabolism*; D008628:Mercury / Q000032:analysis; D009132:Muscles / Q000737:chemistry; D012643:Selenium / Q000032:analysis; D012834:Silver / Q000032:analysis; D014131:Trace Elements / Q000032:analysis / Q000378:metabolism*; D018707:Volcanic Eruptions; D014874:Water Pollutants, Chemical / Q000378:metabolism*
D014131:Trace Elements; D014874:Water Pollutants, Chemical; D002586:Cesium; D012834:Silver; D008628:Mercury; D012643:Selenium
Andean Patagonian lakes; Anthropic area; Elements; Pristine area; Salmonids; Volcanic influence