Affiliation: | Department of Natural Resources Conservation, 160 Holdsworth Way, University of Massachusetts, Amherst, MA 01003–9285, U.S.A.;Wildlife Conservation Society, 2300 Southern Boulevard, Bronx, NY 10460, U.S.A.;Institute of General and Experimental Biology, Mongolian Academy of Sciences, Ulaanbaatar 51, Mongolia;Ecology Department, National University of Mongolia, Ikh Surguuliin gudamj, Building 2, Ulaanbaatar, Mongolia |