Yellowstone's Northern Range - Greater Yellowstone Science ...

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lJ4 Winter Total Count 1967-68 397 1968-69 418 1969-70 556' 1970-71 592* 1971-72 565 1972-73 713 1973-74 837 1974-75 873 1975-76 1068 1976-77 1125 1977-78 1252 1978-79 1626 1979-80 1727 1980-81 1803 1981-82 2396 1982-83 2239 1983-84 2160 1984-85 2229 1985-86 2456 1986-87 2470 1987-88 2861 1988-89 3159 1989-90 2606 1990-91 3178 . 1991-92 3426 1992-93 3304 1993-94 3551 1994-95 3956 1995-96 3600 1996-97 3400 Data source 1901-1969, Meager 1973, numbers are total actual count; 1970-1997, M. Meagher, u.s. GeoL Surv., unpubL data, numbers are total early winter counts, * are total mid-winter counts.
115 Counts and estimates of moose in <strong>Yellowstone</strong> National Park, 1912-1970_ Year Date of Count Parkwide COUnt" Parkwide estimate Comments from source Data source b 1912 Summer 550 Estimate by Scout McBride. 1920 500 800 2 1923 "Moose are scattered in nearly every section of the park. " 3 1924 Winter 121 385 Reported from all sections of the park. 3 1925 Winter 170 170 525 "Moose are widely distributed. No losses reported during the year." 3 1926 Winter 103 575 "Number not considered to represent a decline from previous year. Conditions were not as favorable for making a count as the previous 2 years. Four lost to natural causes during the year. Six unlawfully killed by Idaho hunters near the park boundary. " 3 1927 Nov. 73 600 "Although there has been an apparent decrease the past 2 years, total in the park are believed to have increased moderately. Moose conditions in the park are excellent. Losses during the year: natural causes-I, accident-I; legal kill- 25, illegal kill-13 near park boundary in bordering states." 3 1928 Summer 111 650 "Roadside counts. Known losses: legal kill-ll; illegal kill-2 near park boundary in bordering states, winter kill-I. Moose conditions are excellent. II 3 1929 675 4 1930 Feb. 198 700 "Population is increasing." 4 1931 Apr. 54 700 "Counting conditions and accuracy were low. Nine illegal kills." 5 1932 Jan. 90 700 "Counts were much better than last year." 6 1933 71 700 "A thorough count wasn't made. It is safe to assume the number is the same as last year. " 7 1934 700 "Increasing. No winter losses." 7 1935 100 700 "Steadily increasing." 7- 1936 270 702 8 1937 700 "Counts and estimates include summer observations. Moose are thought to be increasing. " 9 1938 700 Status unchanged. 10 1939 700 Status unchanged. 11 1940 700 12 1941 700 Status unchanged. 13 1944 700 Status unchanged. 7 1945 600 During the summer of 1945 rangers made intensive observations. Figure given represents the total of their counts and estimates. Status unchanged from previous years. Estimate is based On more recent field work. 14 1946 600 15 1947 600 16 1949 600 17 1950 400 Estimate is based on continued observations by park rangers during the summer of 1950. 7 1951 400 Fall estimate. No important change in starus. 18 1953 Common Status unchanged. 7
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YELLOW"STONE'S NORTHERN RANGE COMPL
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Suggested citation: Yellowstone Nat
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c=J Northern Winter Range _ Boundar
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Aspen, willows, and biodiversity ..
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vii
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THE NORTHERN RANGE xii range criter
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THE NORTHERN RANGE 2 Figure 1.1. Ph
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THE NORTHERN RANGE tion. There was
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THE NORTHERN RANGE 6 Figure 1.6. Gr
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THE NORTHERN RANGE 8 Figure 1.8. El
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THE NORTHERN RANGE 10 unpopular or
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THE NORTHERN RANGE 12 earlier Yello
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THE NORTHERN RANGE 16 Northern rang
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Figure 2.3. Sum ot rotal annual riv
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THE NORTHERN RANGE 20 Figure 2.4 Tr
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THE NORTHERN RANGE 22 dendrochronol
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THE NORTHERN RANGE 24 Figure 2.7. A
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THE NORTHERN RANGE 26 et al. (1991)
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THE NORTHERN RANGE 28 earlier time,
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THE NORTHERN RANGE 32 systems-range
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THE NORTHERN RANGE 34 indicates the
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THE NORTHERN RANGE 36 Data were gat
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THE NORTHERN RANGE 38 grazed and un
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THE NORTHERN RANGE showed that graz
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Figure 4.1. Northern range, showing
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Figure 4.2. Willow distribution in
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THE NORTHERN RANGE 48 Figure 4.4. I
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THE NORTHERN RANGE 50 public lands,
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THE NORTIlERN RANGE 52 Figure 4.5.
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THE NORTHERN RANGE 54 able uncertai
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THE NORTHERN RANGE 56 to confirm an
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THE NORTHERN RANGE 58 RESEARCH RECO
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SOIL, EROSION, SEDIMENTS, AND WATER
Page 79 and 80: SOIL, EROSION, SEDIMENTS, AND WATER
Page 81 and 82: ated with ungulate winter ranges. T
Page 83 and 84: ELK POPULATION ISSUES IS YELLOWSTON
Page 85 and 86: ange grazing issue, Yellowstone man
Page 87 and 88: ELK POPULATION ISSUES 71 ... Other
Page 89 and 90: ELK POPULATION ISSUES 73 1996d), so
Page 91 and 92: ELK POPULATION ISSUES 75 the northe
Page 93 and 94: ELK POPULATION ISSUES 77 It has evo
Page 96 and 97: 4 , ~ 1 v " 'It , \ J~ ~""~ .:,~ ",
Page 98 and 99: THE NORTHERN RANGE 82 Competition t
Page 100 and 101: Figure 7.3. Bison winter range. Sin
Page 102 and 103: THE NORTHERN RANGE Figure 7.7. Envi
Page 104 and 105: THE NORTHERN RANGE 88 not aware of
Page 106 and 107: THE NORTHERN RANGE 90 tion size, an
Page 108 and 109: THE NORTHERN RANGE 92 activity (95
Page 110 and 111: THE NORTHERN RANGE 94 pursue the su
Page 112 and 113: THE NORTHERN RANGE 96 factors were
Page 114 and 115: THE NORTHERN RANGE Figure 7.13. Num
Page 116 and 117: , .. , , " , ! I ." ~, ~ " ,.\ ,•
Page 118 and 119: THE NORTHERN RANGE 102 complex set
Page 120 and 121: THE NORTHERN RANGE 104 practically
Page 122 and 123: THE NORTHERN RANGE 106 appear suppr
Page 124 and 125: AppendixA. Conferences, Meetings, a
Page 126 and 127: lJO Year Estimate Comment Source 19
Page 128 and 129: lJ2 , Estimated # of Elk Year Date
Page 132 and 133: 116 Year Date of Count Parkwide Par
Page 134 and 135: 118 Counts and estimates of mule de
Page 136 and 137: 120 Northern Yellowstone winter ran
Page 138 and 139: 122 Population estimates and reduct
Page 140 and 141: 124 Actual count Inside Outside Est
Page 142 and 143: Pronghorn counted during spring sur
Page 144 and 145: 128 Year 1939 1940 1941 1942 1943 1
Page 146 and 147: Ground and aerial counts of bighorn
Page 148 and 149: REFERENCE LIST NOTES ON THIS REFERE
Page 150 and 151: Pages 199-210 in Carbyn, L.N., S.H.
Page 152 and 153: Yellowstone National Park. Technica
Page 154 and 155: mammal mortality in the 1988 Yellow
Page 156 and 157: National Park. International Journa
Page 158 and 159: Mehus, C.A. 1995. Influences ofbraw
Page 160 and 161: __ , and __ . 1996a. Preburn root b
Page 162 and 163: Pages 127-138 in F.J. Singer, ed. E
Page 164 and 165: some northern Yellowstone elk. M.S.
Page 166: I I I I I
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