Conservation, Research and Education Opportunities International

Dispersion and frequency of incubation turns in Torrent duck (Merganetta armata armata) pairs in Northwestern Patagonia, Argentina

G.A. Cerón

This project studies the dispersive capacity and aspects of population dynamics of the Torrent duck, a threatened species. The specific objectives include:

  • Determine the dispersive capacity, the incubation switching rate between mates and, long term, the longevity and population genetics of the Torrent duck, along mountainous rapids in northeastern Patagonia, Argentina.
  • Individually identify breeding pairs, as well as floaters (individuals wandering in search of their own territory).
  • Determine whether breeding pairs exhibit site-fidelity for their breeding territories.
  • Study the replacement rate of reproductive individuals.
  • Study the dispersive capacity of juveniles and floaters of the species.
  • Develop an estimate of population size for the species within northwestern Patagonia, Argentina.
  • Study the population dynamics and genetic isolation of subpopulations from different river basins.
  • Determine whether abandonment of breeding territories is due to selection of new sites or the death of on or more of the breeding pair. ($3,520)