Bibliography and Citations
.
2007. .
2015.
Usefulness of the umbrella species concept as a conservation tool. Conservation Biology. 18(1):76-85.
.
2004. Usefulness and economic potential of the rare plants of the United States: a statistical survey. Economic Botany. 52(1):57-67.
.
1998. A useful role for theory in conservation. Ecology. 75(3):615-626.
.
1994. .
2011. .
1996. .
1991. .
1990. Use of space by Lapland Longspurs breeding in arctic Alaska. Auk. 97:509-520.
.
1980. Use of snow as a water source by golden eagles in the Great Basin. Journal of Field Ornithology. 65(1):58-59.
.
1994. .
1982. Use of road track counts as indices of mountain lion presence. Journal of Wildlife Management. 50(1):102-109.
.
1986. Use of permanent plots in monitoring plant populations. Natural Areas Journal. 17(4):331-340.
.
1997. .
1983. .
2000. .
2007. Use of mammalian prey by nesting merlins, Falco columbarius, in Atlantic Canada. Canadian Field-Naturalist. 108:80-81.
.
1994. .
2004. Use of lakes and reservoirs by migrating shorebirds in Idaho. Great Basin Naturalist. 52(2):179-184.
.
1992. Use of cottonwood in an investigation of the recent history of a floodplain. American Journal of Science. 266:417-439.
.
1968. The use of cluster analysis to analyze habitat use by coyotes in an area of low vegetal heterogeneity. Northwestern Naturalist. 72:12-20.
.
1991. .
0. .
1974. Use of body weight and length of footpad as predictors of sex in golden eagles. Journal of Field Ornithology. 57(4):317-319. Available from https://sora.unm.edu/node/51291
.
1986.