1. Banks, R.C., Springer, P.F., 1994. A century of population trends of waterfowl in western North America. In: Jehl Jr., J.R., Johnson, N.K. (Eds.), A Century of Avifaunal Change in Western North America. Stud. Avian Biol. 15, 134–146.
2. The impact of waterfowl foraging on the decomposition of rice straw: mutual benefits for rice growers and waterfowl;Bird;J. Appl. Ecol.,2000
3. Population viability analysis;Boyce;Ann. Rev. Ecol. Syst.,1992
4. Winter flooding of ricelands provides waterfowl habitat;Brouder;Calif. Agric.,1995
5. Butcher, G.S., 1990. Audubon Christmas Bird Counts. In: Sauer, J.R., Droege, S. (Eds.), Survey Designs and Statistical Methods for the Estimation of Avian Population Trends. Biological Report 90 (1). US Fish and Wildlife Service, Washington, DC, pp. 5–13.