Receiver immersion for 1 year. A scientific team installs submerged devices to track trout movements and analyze their exploratory nature. Kerguelen Archipelago.

introduced species natural reserve rock stone river stream cloud scientist man group animal tagging wildlife radio telemetry indian ocean kerguelen islands fr salmonidae zoology temperate freshwater fish invasive species trout january cable alien species french southern and antarctic lands nature reserve nature reserves nature reserve rocks stone rivers stream cloudy clouds cloudy sky scientists men groups animal taggings radiofrequency traking radiofrequency trakings radio telemetry radio tracking animal radio tracking radiotracking radio tagging radiotagging radio tracking tracking radio tracking radio telemetry study radio telemetry studies telemetric studies telemetric study wildlife tagging wildlife tracking animal tracking wildlife monitoring animal monitoring zoologies zoologist zoologists zoologicals zoological cold freshwater fish river fish temperate freshwater fishes cold freshwater fishes river fishes trouts exotic species non native species non indigenous species destruction of biodiversity environment environment protection environment management biodiversity management rock fragment mineral matter body of water freshwater wetland area area sky meteorological phenomenon meteorology science scientific research person individual population management species management world sea and ocean taaf france european union europe salmoniformes actinopterygii euteleostomi gnathostomata vertebrata chordata deuterostomia coelomata bilateria metazoa opisthokonta eukaryota discipline freshwater fish fishes particularity species particularity species salmonid actinopterygian bony fish fish animal vertebrate chordate wild animal animal object material