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Population Status of Migratory Game Birds in Canada 2013: appendix C, part 1

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Appendix C - Tables [1 - 3]

Source Document: Population Status of Migratory Game Birds in Canada - November 2013

Table 1a. Trends in indicated breeding pairs of inland duck species in southern Ontario from 1971 to 2013. Data from breeding waterfowl surveys of ground and helicopter plots
Species Estimated Breeding Pairs
2012		 Estimated Breeding Pairs
2013		 Recent
2003 - 2013		 Long-term
1971 - 2013
American Black Duck 7,314 3,641 −4.6% −1.2%
Mallard 164,350 147,518 0.8% 1.1%
Wood Duck 88,153 60,158 9.0% 3.8%
Green-winged Teal 16,021 2,616 −6.5% 0.7%
Blue-winged Teal 690 2,044 −13.1% −5.9%
Ring-necked Duck 30,584 25,114 4.3% 4.2%
Hooded Merganser 13,485 10,005 −0.6% 2.6%
Common Merganser 7,390 10,392 0.5% 4.5%
Canada Goose 74,286 86,488 1.9% 9.4%

Data source: CWS, Ontario Region
Note: Trends are expressed as an annual percentage change. Methods to test statistical significance of these trends have not yet been developed. No indication of significance can be given.

Table 1b. Abundance and trends in indicated breeding pairs of duck species in the St. Lawrence Lowlands, Québec (data from helicopter surveys)
Species Abundance
2009-2013		 Abundance
2013		 Tend
2004-2013		 Tend
2009-2013
Canard colvert 14,569 18,803 2.3% 7.6%
Canard noir 5,244 7,623 0.2% 0.0%
Sarcelle d'hiver 3,656 2,947 3.3% 2.3%
Canard branchu 2,606 2,084 7.5% -18.1%
Bernache du Canada 2,348 1,880 6.0% -9.4%
Fuligule à collier 948 1,372 6.0% 4.9%

Data source: CWS, Québec Region
Note: Trends are expressed as an annual percentage change. Methods to test statistical significance of these trends have not yet been developed. No indication of significance can be given.

Table 2. Harvest estimates of American Black Ducks in Canada (NF-ON)
Year Canada
NF		 Canada
PE		 Canada
NS		 Canada
NB		 Canada
QC		 Canada
ON		 Canada
Total
1974 19 543 11 684 29 594 14 008 75 534 61 702 212 576
1975 35 354 14 620 59 467 21 876 90 593 85 070 307 360
1976 23 770 21 891 48 624 23 342 120 622 96 761 335 983
1977 38 835 18 044 46 186 20 568 129 618 82 886 337 459
1978 49 008 19 660 47 874 34 598 130 379 89 818 371 782
1979 44 658 12 732 33 687 24 339 112 926 87 557 317 026
1980 32 316 21 568 67 341 28 094 120 602 91 503 363 863
1981 38 047 16 133 58 692 26 460 105 733 76 298 321 954
1982 26 961 25 771 47 447 32 130 117 514 86 650 337 060
1983 32 956 25 049 57 725 31 007 101 637 60 454 309 087
1984 26 119 23 256 51 880 33 283 106 868 64 272 306 523
1985 28 556 18 535 44 397 32 261 110 998 64 692 300 001
1986 27 278 18 650 46 612 27 896 114 493 60 461 296 168
1987 20 184 18 114 39 138 27 218 129 612 61 176 295 442
1988 20 137 20 364 44 311 30 193 127 134 58 840 301 222
1989 29 299 11 548 47 322 25 582 99 675 47 518 261 088
1990 22 663 11 369 38 012 26 743 105 277 38 357 243 537
1991 15 073 14 499 39 295 20 122 85 220 48 670 225 938
1992 13 487 8 043 41 079 23 090 82 134 38 228 206 511
1993 13 133 10 741 36 298 19 591 87 869 34 556 203 313
1994 16 507 10 221 32 670 23 389 67 440 24 774 175 459
1995 15 461 13 355 40 546 29 332 54 776 33 470 187 161
1996 19 447 9 469 39 759 20 418 49 219 25 289 163 601
1997 18 816 12 982 32 666 17 966 56 103 26 309 165 469
1998 22 410 6 789 33 852 22 802 49 065 23 091 158 379
1999 Table Footnoteb 19 058 10 782 44 658 22 445 51 385 26 579 174 943
2000 21 605 6 980 43 922 18 083 43 476 19 995 154 918
2001 16 800 9 465 26 729 12 879 38 717 19 185 124 068
2002 18 021 6 214 28 310 14 449 36 346 19 130 122 635
2003 10 174 7 228 26 010 15 219 35 077 15 176 109 218
2004 12 888 4 827 16 969 9 775 30 588 16 710 91 757
2005 9 333 4 560 16 717 9 031 34 472 15 276 89 580
2006 16 529 5 168 20 630 11 159 33 900 16 644 104 030
2007 20 485 7 054 24 180 10 391 27 596 13 462 103 811
2008 22 067 5 829 22 764 12 285 29 154 11 094 103 537
2009 13 583 5 049 18 788 9 719 29 150 14 173 90 617
2010 8 908 7 660 12 913 12 131 31 408 14 096 87 258
2011 8 919 5 866 22 236 9 237 31 678 13 926 91 862
2012 20 213 8 795 24 622 13 260 24 594 11 878 103 362
Table 2b. Harvest estimates of American Black Ducks in Canada (MB-YT)
Year Canada
MB		 Canada
SK		 Canada
AB		 Canada
BC		 Canada
NT/NU		 Canada
YT		 Canada
Total
1974 511 blank blank blank blank blank 212 576
1975 262 118 blank blank blank blank 307 360
1976 180 586 143 64 blank blank 335 983
1977 727 547 blank 48 blank blank 337 459
1978 379 blank blank 66 blank blank 371 782
1979 242 363 256 266 blank blank 317 026
1980 2 171 268 blank blank blank blank 363 863
1981 337 213 blank 41 blank blank 321 954
1982 161 426 blank blank blank blank 337 060
1983 259 blank blank blank blank blank 309 087
1984 327 blank 518 blank blank blank 306 523
1985 427 135 blank blank blank blank 300 001
1986 367 260 151 blank blank blank 296 168
1987 blank blank blank blank blank blank 295 442
1988 blank 151 92 blank blank blank 301 222
1989 144 blank blank blank blank blank 261 088
1990 106 621 286 103 blank blank 243 537
1991 1 189 312 1 329 229 blank blank 225 938
1992 138 239 73 blank blank blank 206 511
1993 1 125 blank blank blank blank blank 203 313
1994 254 169 blank blank blank 35 175 459
1995 blank 204 blank 17 blank blank 187 161
1996 blank blank blank blank blank blank 163 601
1997 265 147 215 blank blank blank 165 469
1998 165 blank 81 124 blank blank 158 379
1999 Table Footnoteb 36 blank blank blank blank blank 174 943
2000 204 653 blank blank blank blank 154 918
2001 293 blank blank blank blank blank 124 068
2002 blank 76 89 blank blank blank 122 635
2003 blank 334 blank blank blank blank 109 218
2004 blank blank blank blank blank blank 91 757
2005 191 blank blank blank blank blank 89 580
2006 blank blank blank blank blank blank 104 030
2007 140 503 blank blank blank blank 103 811
2008 160 184 blank blank blank blank 103 537
2009 155 blank blank blank blank blank 90 617
2010 90 blank blank 52 blank blank 87 258
2011 blank blank blank blank blank blank 91 862
2012             103 362
Table 2c. Harvest estimates of American Black Ducks in the United States
  United States Table Footnotea
Total		 Continental
Total
1974 388 999 601 575
1975 357 197 664 557
1976 426 137 762 120
1977 274 049 611 508
1978 336 800 708 582
1979 299 300 616 326
1980 397 051 760 914
1981 290 405 612 359
1982 235 100 572 160
1983 198 217 507 304
1984 201 700 508 223
1985 189 980 489 981
1986 178 542 474 710
1987 172 212 467 654
1988 154 112 455 334
1989 193 726 454 814
1990 143 322 386 859
1991 167 520 393 458
1992 135 706 342 217
1993 146 666 349 979
1994 130 466 305 925
1995 168 800 355 961
1996 118 500 282 101
1997 151 779 317 248
1998 175 936 334 315
1999 Table Footnoteb 153 600 328 543
2000 179 500 334 418
2001 125 195 249 263
2002 176 538 299 173
2003 129 213 238 431
2004 111 955 203 712
2005 129 886 219 466
2006 129 196 233 226
2007 137 397 241 208
2008 120 150 223 687
2009 111 880 202 497
2010 119 617 206 875
2011 88 351 180 213
2012 94 559 197 921

Data sources: M.Gendron and A. Smith 2013 (CWS, Canadian data), and R.V. Raftovich and Wilkins 2013 (USFWS, US data)

Table 3. Estimates of trends in numbers of May ponds and Duck breeding populations in the traditional survey area of the Waterfowl Breeding Population and Habitat Survey
Species Time Period Alaska
(11 strata)		 Western
Boreal
Canada
(17 strata)		 Canadian
Prairies
(15 strata)		 U.S.
Prairies
(9 strata)		 Entire
Survey
Area
(52 strata)
May ponds Table Footnotec 1974-2013 N/A N/A 0.3 (15) 1.7 Table Footnoted(9) N/A
  2004-2013 N/A N/A 3.1 Table Footnoted
(15)		 6.8 Table Footnoted
(9)		 N/A
  2009-2013 N/A N/A 5.4 (15) −9.3 (9) N/A
Total ducks Table Footnotee 1961-2013 1.3 Table Footnoted
(11)		 −0.2 (17) 0.1 (15) 2.0 Table Footnoted
(9)		 0.5 Table Footnoted
(52)
  2004-2013 −4.8 Table Footnoted
(11)		 2.6 (17) 3.8 Table Footnoted
(15)		 10.9 Table Footnoted
(9)		 3.9 Table Footnoted
(52)
  2009-2013 −8.7 Table Footnoted
(11)		 −0.9 (17) 12.4 Table Footnoted
(15)		 −2.6 (9) 1.6 (52)
Mallard 1961-2013 2.7 Table Footnoted
(11)		 −0.2 (17) −0.3 (15) 2.3 Table Footnoted
(9)		 0.4 (52)
  2004-2013 −6.6 Table Footnoted
(11)		 5.0 Table Footnoted
(17)		 4.1 Table Footnoted
(15)		 7.8 Table Footnoted
(9)		 4.6 Table Footnoted
(52)
  2009-2013 −9.0 Table Footnoted
(11)		 5.4 (17) 11.4 Table Footnoted
(15)		 4.2 (9) 6.4 Table Footnoted
(52)
Gadwall 1961-2013 6.3 (9) 2.2 (17) 1.5 Table Footnoted
(15)		 3.5 Table Footnoted
(9)		 2.3 Table Footnoted
(50)
  2004-2013 −8.3 (9) −10.1 Table Footnoted
(17)		 2.5 (15) 6.8 Table Footnoted
(9)		 3.7 Table Footnoted
(50)
  2009-2013 − −6.5 (17) 4.6 (15) 3.4 (9) 3.2 (50)
American Wigeon 1961-2013 3.8 Table Footnoted
(11)		 −0.8 Table Footnoted
(17)		 −2.1 Table Footnoted
(15)		 1.3 (9) −0.2 (52)
  2004-2013 −4.5 Table Footnoted(11) 3.3 Table Footnoted
(17)		 3.9 Table Footnoted
(15)		 4.4 (9) 1.1 (52)
  2009-2013 −9.4 Table Footnoted
(11)		 7.1 (17) 13.0 Table Footnoted
(15)		 −20.8 Table Footnoted
(9)		 0.2 (52)
Green-winged Teal 1961-2013 4.3 Table Footnoted
(11)		 1.2 Table Footnoted
(17)		 1.0 (15) 2.4 Table Footnoted
(9)		 1.6 Table Footnoted
(52)
  2004-2013 −3.6 Table Footnoted
(11)		 6.6 (17) 8.8 Table Footnoted
(15)		 4.6 (9) 4.0 Table Footnoted
(52)
  2009-2013 −10.1 (11) 0.3 (17) 3.9 (15) −17.5 (9) −2.6 (52)
Blue-winged Teal 1961-2013 4.4 (8) −0.8 (16) 0.9 (15) 2.0 Table Footnoted
(9)		 1.2 Table Footnoted
(48)
  2004-2013 −57.4 (8) −5.9 Table Footnoted
(16)		 4.2 (15) 13.7 Table Footnoted
(9)		 7.9 Table Footnoted
(48)
  2009-2013 − −0.5 (16) 16.0 Table Footnoted
(15)		 −2.5 (9) 4.3 (48)
Northern Shoveler 1961-2013 6.9 Table Footnoted
(11)		 0.8 (17) 1.7 Table Footnoted
(15)		 2.2 Table Footnoted
(9)		 2.0 Table Footnoted
(52)
  2004-2013 −8.5 Table Footnoted
(11)		 0.8 (17) 4.1 Table Footnoted
(15)		 14.7 Table Footnoted
(9)		 4.9 Table Footnoted
(52)
  2009-2013 −17.7 Table Footnoted
(11)		 3.1 (17) 20.6 Table Footnoted
(15)		 −8.8 Table Footnoted
(9)		 3.5 (52)
Northern Pintail 1961-2013 0.6 (11) −1.8 Table Footnoted
(17)		 −2.4 Table Footnoted
(15)		 −0.6 (9) −1.2 Table Footnoted
(52)
  2004-2013 0.4 (11) 0.1 (17) 1.1 (15) 17.3 Table Footnoted
(9)		 4.7 Table Footnoted
(52)
  2009-2013 1.8 (11) −13.0 (17) 19.0 Table Footnoted
(15)		 −10.0 (9) 0.6 (52)
Redhead 1961-2013 −2.1 (10) −0.3 (17) 1.3 Table Footnoted
(15)		 1.7 Table Footnoted
(9)		 1.3 Table Footnoted
(51)
  2004-2013 −51.4 Table Footnoted
(10)		 −12.6 Table Footnoted
(17)		 5.8 Table Footnoted
(15)		 19.8 Table Footnoted
(9)		 8.6 Table Footnoted
(51)
  2009-2013 − −8.4 (17) 10.6 Table Footnoted
(15)		 0.9 (9) 4.6 (51)
Canvasback 1961-2013 0.2 (11) 0.3 (17) 0.5 (15) 2.2 Table Footnoted
(9)		 0.6 Table Footnoted
(52)
  2004-2013 −16.7 (11) −4.3 (17) 6.0 Table Footnoted
(15)		 15.9 Table Footnoted
(9)		 2.3 (52)
  2009-2013 −9.3 (11) 0.3 (17) 12.6 Table Footnoted
(15)		 −1.0 (9) 5.7 Table Footnoted
(52)
Scaup spp. 1961-2013 0.0 (11) −1.4 Table Footnoted
(17)		 −0.9 (15) 2.5 (9) −0.9 Table Footnoted
(52)
  2004-2013 −5.2 Table Footnoted
(11)		 6.5 Table Footnoted
(17)		 5.4 Table Footnoted
(15)		 6.3 (9) 3.7 Table Footnoted
(52)
  2009-2013 −9.0 Table Footnoted
(11)		 4.1 (17) 7.5 (15) 0.0 (9) 2.0 (52)
Ring-necked Duck 1961-2013 44.3 Table Footnoted
(11)		 2.3 Table Footnoted
(17)		 2.6 Table Footnoted
(15)		 8.6 (9) 2.5 Table Footnoted
(52)
  2004-2013 −12.0 Table Footnoted
(11)		 0.1 (17) 11.3 Table Footnoted
(15)		 24.6 Table Footnoted
(9)		 1.2 (52)
  2009-2013 −3.5 (11) −3.3 (17) 26.7 Table Footnoted
(15)		 2.9 (9) −0.5 (52)
Ruddy Duck Table Footnotef 1961-2013 − − (16) − (15) − (9) − (44)
  2004-2013 − − (16) − (15) − (9) − (44)
  2009-2013 − − (16) − (15) − (9) − (44)
Mergansers Table Footnotef 1961-2013 − (11) − (17) − (15) − (9) − (52)
  2004-2013 − (11) − (17) − (15) − (9) − (52)
  2009-2013 − (11) − (17) − (15) − (9) − (52)
Goldeneyes 1961-2013 −0.6 (11) 3.2 (17) 3.1 Table Footnoted
(15)		 −2.5 (8) 1.3 Table Footnoted
(51)
  2004-2013 −8.8 Table Footnoted
(11)		 5.2 (17) 1.9 (15)   3.4 (51)
  2009-2013 1.4 (11) 3.2 (17) 8.1 (15)   3.9 (51)
Bufflehead 1961-2013 0.3 Table Footnoted
(11)		 1.8 Table Footnoted
(17)		 3.2 Table Footnoted
(15)		 6.4 Table Footnoted(9) 1.9 Table Footnoted
(52)
  2004-2013 0.0 (11) 1.2 (17) 6.2 (15) 21.7 (9) 2.1 (52)
  2009-2013 −6.4 (11) −2.1 (17) 15.0 Table Footnoted
(15)		 25.9 (9) 0.4 (52)
Long-tailed Duck Table Footnotef 1961-2013 4.8 Table Footnoted
(11)		 − (15) − (7)   − (34)
  2004-2013 58.2 Table Footnoted
(11)		 − (15)     − (34)
  2009-2013 −95.6 Table Footnoted
(11)		 − (15)     − (34)
Scoter spp. Table Footnotef 1961-2013 −4.0 Table Footnoted
(11)		 − (17) − (12)   − (44)
  2004-2013 −62.2 Table Footnoted
(11)		 − (17) − (12)   − (44)
  2009-2013 −96.7 Table Footnoted
(11)		 − (17) − (12)   − (44)

Trends were calculated using the estimating equations technique (Link and Sauer 1994) and are expressed as an annual percentage change. The number of strata is given in parentheses (a minimum of 5 strata was deemed necessary to perform a trend analysis).

Population Status of Migratory Game Birds in Canada: Appendix C - Tables 1 - 3

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2017-09-10