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Chapter Cf - Geography and the Environment
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Table Group Cf168-285 - The Environment
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Scott Farrow
Table Cf263-268 - North American goose and swan population estimates: 1970-2002
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Cf263
Cf264
Cf265
Cf266
Cf267
Cf268
Goose
Brant
Tundra swan
Canada
Snow
Greater white-fronted
Eastern
Western
Row
Nesting year
Thousand
Thousand
Thousand
Thousand
Thousand
Thousand
1
1970
244
908
51
142
55
31
2
1971
367
1,191
39
300
58
99
3
1972
550
1,467
46
198
63
83
4
1973
648
1,180
43
166
57
34
5
1974
536
1,371
43
219
64
70
6
1975
535
1,277
40
211
67
54
7
1976
810
1,751
53
249
79
51
8
1977
727
1,344
50
221
76
47
9
1978
724
2,191
53
209
70
46
10
1979
604
1,485
49
173
79
54
11
1980
610
2,126
132
215
64
65
12
1981
923
1,819
161
291
93
84
13
1982
1,027
2,767
182
227
73
91
14
1983
1,024
2,328
154
233
87
67
15
1984
859
2,310
183
260
81
62
16
1985
1,012
2,741
182
291
94
49
17
1986
925
2,358
172
246
91
66
18
1987
1,148
2,754
179
220
95
53
19
1988
1,307
2,322
207
278
77
59
20
1989
2,482
2,828
278
273
91
79
21
1990
2,615
2,595
322
287
90
40
22
1991
2,238
3,298
377
279
97
48
23
1992
3,280
3,240
409
303
110
64
24
1993
2,885
2,927
330
225
77
63
25
1994
3,314
3,446
1,126
287
85
79
26
1995
3,829
3,966
1,187
282
81
53
1
27
1996
3,721
3,662
1,552
233
79
98
28
1997
4,577
4,002
1,087
279
86
123
29
1998
4,682
4,193
941
276
97
71
30
1999
5,706
3,967
1,471
301
109
120
31
2000
5,584
3,928
1,317
292
90
103
32
2001
4,885
3,941
1,499
270
87
98
33
2002
5,379
3,883
1,070
318
59
104
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