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- Pipeline animal crossings, constructed
- 579 approx. (See also Pipeline Engineering
crossings)
- Bird species, number identified along
route
- More than 170
- Fish species, number identified in waters
crossed by pipeline
- 34
- Caribou Population histories
- Central Arctic herd —
- 1970 — 3,0001
- 1980 — 9,0002
- 1983 — 12,50010
- 1984 — 13,0006
- 1986 — 16,0008
- 1988 — 15,000 (est.)11
- 1990 — 25,000 (est.)11
- 1992 — 23,400 (est.)11
- 1995 — 18,100 12
- 1998 — 38,552 15
-
- Nelchina herd —
- 1967-68 — 48,0003
- 1972-73 — 10,000 4
- 1981 — 20,730, (increasing) 5
- 1984 — 25,000 7
- 1986 — 29,0009
- 1987 — 30,200 10
- 1990 — 37,500 (est)11
- 1993 — 40,360 (est)11
- 1996 — 50,000 (est)13
- 1999 — 31,000 (est.)14
- 1995 — 19,500 (est.)15
Wildlife Footnotes
(1) K. Child, 1973: "The reaction
of barren ground caribou to simulated pipeline and pipeline crossing structures at Prudhoe
Bay, Alaska."
(2) K.R. Witten and R.D. Cameron,
1983:"Population Dynamics of the Central Arctic Herd, 1975-81."
(3) G.N. Bos, 1975: "A partial
analysis of the current population status of the Nelchina caribou herd."
(4) Ibid. (Heavy harvest cited as cause of
decline.)
(5) K.W Pitcher, 1982: "Big Game
Studies, Vol. IV, Caribou, Alaska Department of Fish and Game, Susitna Hydroelectric
Project, Phase 1, final report."
(6) R.D Jakimchuk, 1984: "Relationship
Between the Central Arctic Caribou Herd and The Trans Alaska Pipeline."
(7) D.R. Carruthers, 1984: "Spring and
Fall Movement of The Nelchina Caribou In Relation to The Trans Alaska Pipeline."
(8) L.G. Sopuck and R.D. Jakimchuk, 1986:
"Caribou monitoring studies in the Central/ Arctic Region of Alaska, Final
Report."
(9) J. Sexton, 1987 Alaska Dept. Fish and
Game Personal Communication.
(10) Alaska Department of Fish and Game
survey.
(11) Alaska Department of Fish and Game.
(12) P. Valkenburg, Pers. Comm., In Cronin,
M.A., et al; "Northern Alaska Oil Fields and Caribou: A Commentary"
(13) Alaska Department of Fish and Game
Nelchina Caribou Management and Hunting Opportunity, 1996-97 Flyer.
(14) Alaska Department of Fish and Game.
(15) Alaska Hunting
Bulletin Vol. 5, No. 3, A publication of the Alaska Department of Fish and
Game.
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