50 FISH AND WILDLIFE TECHNICAL REPORT 30 



Acknowledgments 



This study was supported by administrative funds from 

 the Pittman-Robertson program and by the U.S. Fish and 

 Wildlife Service and cooperating agencies. We thank R. 

 Cameron, D. Reed, W. Regelin, and K. Whitten of Alaska 

 Department of Fish and Game (ADFG); G. Elison, M. 

 Masteller, F. Mauer, G. Muehlenhardt, and G. Weiler of 

 Arctic National Wildlife Refuge (ANWR); C. Gardiner of 

 Alaska Fish and Wildlife Research Center (AFWRC); M. 

 Hansen of the University of Akrka; W. Nixon and D. 

 Russell of the Canadian Wildlife Service; and R. Hayes 

 and C. Smits of the Yukon Department of Renewable 

 Resources for their assistance with field operations. C. 

 Curby, F. D'Erchia, J. Greslin, M. Hansen, M. Koschak, C. 

 Metzler, D. Reed, R. Slothower, and J. Venable provided 

 computer programming and data analysis. We thank M. 

 Hansen, S. Hartz, M. McClure, S. Morstad, T. Paragi, and 

 U. Petersen for working with captive animals. D. Guthrie 

 and R. White of the University of Alaska, B. Davitt and C. 

 Robbins of Washington State University, and C. Schwartz 

 of ADFG provided assistance and access to captive ani- 

 mals for the activity sensor work. B. Blevins, C. Curby, J. 

 Enzweiler, J. Greslin, M. Koschak, G. Muehlenhardt, and 

 B. Sturm helped produce the figures. 



This report would not have been possible without the 

 efforts and cooperation of those investigators (not listed as 

 authors) who contributed data and ideas. D. Klein, 

 ACWRU, and P. Reynolds, ANWR, carried out studies on 

 muskoxen. Walrus studies were conducted by S. Hills, 

 AFWRC, Fairbanks. M. Hansen, University of Alaska, 

 contributed data from his Dall sheep study as well as 

 valuable ideas and constructive criticisms. Brown bear 

 data from Kodiak Island was provided by V. Barnes, 

 AFWRC, and from the western Brooks Range by H. 

 Reynolds, ADFG. R. Modafferi, ADFG, conducted the 

 field studies on moose, and W. Ballard, ADFG, conducted 

 studies on wolves. Mule deer investigations were con- 

 ducted by C. Brown, Idaho Department of Fish and Game, 

 Pocatello. D. Vales, University of Idaho, provided data 

 from his elk study, for which we also acknowledge the 

 cooperation of Yellowstone National Park, J. Peek, and F. 

 Singer. For additional insights as well as unpublished data, 

 we thank W. Burger, and S. Tomkiewicz, Telonics, Inc.; K. 

 Keating, Glacier National Park; J. Squires, University of 

 Wyoming; K. Aune and R. Mace, Montana Department of 

 Fish and Game; D. Craighead, J. Hogg, and R. Redmond, 

 Wildlife-Wildlands Institute, Missoula, Montana. J. 

 Greslin was an active participant in the program and de- 

 serves special mention. 



We thank J. Russell and S. Tomkiewicz, Telonics, Inc., 

 for their efforts in technical matters; D. Clark, L. Morakis, 

 and A. Shaw of Service Argos helped us to understand and 

 use the Argos system more effectively. Editorial improve- 

 ments were suggested by M. Fuller, C. Halvorson, S. 

 Tomkiewicz, and an anonymous reviewer. 



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