Pastoralism and Rangeland Management on the Tibetan Plateau in ...

Year Total By Air By L<strong>and</strong> Average
Number Annual
Growth
Rate %
Number Percent Number Percent
Length
of Stay
1973 68,047 28.6 55,791 82.0 12,256 18.8
1974 89,838 32.0 74,170 82.6 15,668 17.4 13.20
1975 92,440 2.9 78,995 85.5 13,445 14.5 13.05
1976 105,108 13.7 90,498 861 14,610 13.9 12.41
1977 129,329 23.0 110,180 85.2 19,149 14.8 11.60
1978 156,123 20.7 130,034 83.3 26,089 16.7 11.84
1979 162,276 3.9 137,865 85.0 24,411 15.5 12.02
1980 162,897 0.4 139,387 85.6 23,510 14.4 11.18
1981 161,669 –0.8 142,084 87.9 19,585 12.1 10.49
1982 175,448 8.5 153,509 87.5 21,939 12.5 13.33
1983 179,405 2.3 152,470 85.0 26,935 15.0 11.53
1984 176,634 1.5 149,920 84.9 26,714 15.1 10.55
1985 180,989 2.5 151,870 83.9 29,119 16.1 11.30
1986 223,331 234.0 182,745 81.8 40,586 18.2 11.16
1987 248,080 111.0 205,611 82.9 42,469 17.1 11.98
1988 265,943 7.2 234,945 88.3 30,998 11.7 12.00
1989 239,945 –9.8 207,907 86.6 32,038 13.4 12.00
1990 254,885 62.0 226,421 88.8 28,464 11.2 12.00
1991 292,995 15.0 267,932 91.4 25,063 8.6 9.25
1992 334,353 14.1 300,496 89.9 33,857 10.1 10.14
1993 293,567 –12.2 254,140 86.6 39,427 13.4 11.94
1994 326,531 11.2 289,381 88.6 37,150 114 10.00
1995 363,395 11.3 325,035 89.4 38,360 106 11.27
1996 393,613 8.3 343,246 87.2 50,367 12.8 13.50
1997 421,857 7.2 371,145 88.0 50,712 12.0 10.49
1998 463,684 9.9 398,008 85.8 65,676 14.2 10.76
1999 491,504 6.0 421,243 85.7 70,261 14.3 12.28
2000 463,646 –5.7 376,914 81.3 86,732 18.7 11.88
2001 361,237 –22.1 299,514 82.9 61,723 17.1 11.93
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