THE AUTHORS 



E. DURANT McARTHUR is a research geneticist at the Intermountain Station's 

 Shrub Sciences Laboratory in Provo. He is also adjunct associate professor 

 of Botany and Range Science at Brigham Young University. His degrees are 

 from the University of Utah: B.S. in genetics and cytology (1965), M.S. in 

 molecular and genetic biology (1967) and Ph.D. in biology (1970). He was a 

 postdoctoral research fellow of agricultural botany (1970-71) at the Univer- 

 sity of Leeds, United Kingdom. He joined the Station in 1972. 



A. CLYDE BLAUER is an associate professor of Life Sciences, Division of 

 Natural Sciences, Snow College, Ephraim, Utah. He received his B.S. 

 (1964) and M.S. (1965) degrees in botany from Brigham Young University. 

 He has received additional postgraduate training at Cornell University in 

 plant pathology and plant breeding (1965-66) and at the University of Alabama 

 in algology (1973). Since 1967, he has been first a range technician and then 

 a botanist during summers for the Intermountain Station in Ephraim. 



A. PERRY PLUMMER is a range scientist at the Intermountain Station's 

 Shrub Sciences Laboratory, Provo, Utah. For several years he was 

 project leader of the Intermountain Station's Shrub Improvement and Re- 

 vegetation unit. He is adjunct professor of Botany and Range Science at 

 Brigham Young University. He has worked in range research for the 

 Station since 1936. He received his B.S. degree (1935) and his M.S. 

 degree (1939) in botany from the University of Utah. His research has 

 been principally concerned with improved quality of western ranges. 



RICHARD STEVENS is a wildlife biologist for the Utah Division of Wildlife 

 Resources stationed in Ephraim. He received his B.S. degree in range 

 management (1965) from Brigham Young University and his M.S. degree 

 in range management (1968) from The University of Arizona. He has been 

 in his present position since 1969. His research has been princi; ally 

 directed toward improvement of deer winter ranges. 



