Year

Use-Days

Sightings

Populationa

Ratio

Use Ratio

1983

13

8

75

0.10667

0.17333

1984

0

0

86

0

0

1985

10

7

97

0.07216

0.10309

1986

12

3

110

0.02727

0.10909

1987

40

5

134

0.03731

0.06716

1988

41

3

138

0.02174

0.2971

1989

34

8

146

0.05479

0.23288

1990

12

6

146

0.0411

0.08219

1991

0

0

132

0

0

1992

25

15

136

0.11029

0.18382

1993

19

10

143

0.06993

0.13287

1994

18

14

133

0.10526

0.1203

1995

14

8

158

0.05063

0.08861

1996

34

15

160

0.09375

0.2125

1997

80

10

182

0.05495

0.43956

1998

120

10

183

0.05464

0.65574

1999

24

5

188

0.0266

0.12766

2000

45

4

180

0.02222

0.19444

2001

7

7

176

0.04545

0.1875

2002

151

17

185

0.08649

0.67568

aPopulation data are from Lewis et al. (1994) and Canadian Wildlife Service and U.S. Fish and Wildlife Service, unpublished report (2003).



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