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

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116 Year Date of Count Parkwide Parkwide estimate Comments from source Data source b 1955 Trend counts = 63. 7 1956 Common Trend counts = 73; 3 were incidentally counted on a March 20~22 helicopter census of the Northern Yellowstone elk herd. Insufficient time to count moose as accurately as elk. 19 1958 Common Trend counts = 54. 20 ·1961 Five were incidentally counted on a March 20-26 helicopter census of the North Yellowstone elk herd. 21 1962 400 Ten were incidentally counted on an April 3-4 helicopter census of the North Yellowstone elk herd. 22 1963 400 23 1964 450 24 1965 450 Sixteen were incidentally counted on a April 6-9 helicopter census of the North Yellowstone elk herd. 25 1966 450 26 1967 450 Sixteen were incidentally counted during a March 27-28 helicopter census of the Northern Yellowstone elk herd. Eleven were counted during a January 12-18 Piper Supercub survey of elk distribution on the Northern Yellowstone winter range. 27 1968 450 Counts during 3 Piper Supercub surveys of elk distribution on the Northern Yellowstone winter range between February 29 and June 14 were: 6, 8, 25. 28 1969 450 Counts during 9 Piper Supercub surveys of elk distribution on the North Yellowstone winter range between November 14, 1968 and May 28, 1969 were: 10, 24, 8, 10, 3, 6, 6,23,25. 29 1970 450 Counts during 8 Piper Supercub surveys of elk distribution on the North Yellowstone winter range were: 2,23, 13, 12, 8, 5, 18,20. 30 a Ground counts unless otherwise specified. b DATA SOURCES: (1) Acting Superintendent, 1912; (2) Denniston, 1956; Superintendent's Annual Report, 1920; (3) Superintendent's Annual Reports for the respective years; (4) Baggley, n.d.; (5) Baggley, 1931; (6) Edwards, 1932; (7) Anonymous for the respective years; (8) Barrows, 1936; (9) Barrows, 1937a; (10) Barrows, 1938a, (11) Barrows, 1939a; (12) Skinner, 1940; (13) Skinner, 1941b; (14) Anonymous, 1945a; (15) Rogers, 1946; (16) Kittams, 1947; (17) Anonymous, 1949a; (18) Evans, 1951; (19) Kittams, 1956; (20) Kittams, 1958a; (21) Kittams, 1961a; (22) Howe, 1962a,b; (23) Howe, 1963b; (24) Howe, 1964; (25) Howe, 1965a,c; (26) Barmore, 1966; (27) Barmore. 1980; Barmore, 1967b; (28) Barmore, 1980; Barmore, 1968a; (29) Barmore, 1980; Bucknall, 1969; (30) Bannore, 1980; Bucknall, 1970.
117 Counts of moose observed by aerial flights, northern Yellowstone winter range, 1968-1996. (Data from Barmore, Houston, and Tyers in Tyers 1995'.) Year Date Moose Counted Comment 1968·69 1969·70 1970·71 1971·72 1972·73 1973·74 1974·75 1975-76 1976-77 1977-78 1978-86 1985-86 1986-87 1987-88 1988-89 December 6,8, 1988 1989 May 18, 1989 1989-90 November 30, 1989 1990 May 2, 1990 1990-91 December 12, 1990 1991 May 17, 1991 1992 May 7, 1992 1992 May 12, 1992 1992-96 37 41 52 100 52 75 33 50 38 38 4 14 28 55 47 59 25 24 19 13 12 Areas observed were: Lamar Valley, Upper and Lower Slough Creek. Tower, Blacktail Plateau, Gardner's Hole, Gardner River/Mt. Everts, and Below Mammoth. No counts attempted. Only moose recorded were in Upper Slough Creek. Areas surveyed were: Gardner's Hole, Blacktail Plateau, Soda Butte, Slough Creek, Buffalo Fork, Hellroaring, and Bear Creek. Areas surveyed were: Gardner's Hole, Blacktail Plateau, Soda Butte, Slough Creek. Buffalo Fork, and Hellroaring, Bear Creek was not surveyed. Areas surveyed were: Soda Butte, Slough Creek, Buffalo Fork, Hellroaring, and Bear Creek. Gardner's Hole and Blacktail Plateau were not surveyed. Areas surveyed were: Soda Butte, Slough Creek, Buffalo Fork, Hellroaring, and Bear Creek. Gardner's Hole and Blacktail Plateau were not surveyed. Areas surveyed were: Gardner's Hole, Blacktail Plateau, Soda Butte, Slough Creek, Buffalo Fork, Hellroaring, and Bear Creek. Areas surveyed were: Gardner's Hole, Blacktail Plateau, Soda Butte, Slough Creek, Buffalo Fork, Hellroaring, and Bear Creek. Areas surveyed were: Gardner's Hole, Blacktail Plateau, Soda Butte, Slough Creek, Buffalo Fork, Hellroaring, and Bear Creek. Areas surveyed were: Gardner's Hole, Blacktail Plateau, Soda Butte, Slough Creek, Buffalo Fork, Hellroaring, and Bear Creek. No counts attempted. Aerial surveys not believed to be effective technique. a DATA SOURCE: Tyers, D. 1995. Winter ecology of moose on the northern Yellowstone winter range. Unpuhl. rept. on file at YNP. 630pp.
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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 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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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
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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 130 and 131: lJ4 Winter Total Count 1967-68 397
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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