2007 Summaries of Wildlife Research Findings - Minnesota State ...

Table 1. Pheasant population indices and sex ratios (female:male) after 10 repeated surveys (n) on 36 study areas
in Minnesota, spring 2007.
Birds/route a
Region Study area n Total Cocks Hens F:M ratio
Marshall 1 10 437.3 156.0 281.3 1.8
2 10 445.8 173.3 272.5 1.6
3 10 364.1 152.4 211.7 1.4
4 10 374.0 104.5 269.5 2.6
5 10 251.7 99.6 152.1 1.5
6 10 219.8 70.8 149.1 2.1
7 10 173.6 46.8 126.8 2.7
8 10 101.0 44.1 56.9 1.3
9 10 93.4 38.2 55.3 1.4
Glenwood 10 10 100.0 42.5 57.5 1.4
11 10 289.8 95.3 194.5 2.0
12 10 306.7 139.5 167.1 1.2
13 10 271.3 100.4 170.9 1.7
14 10 250.4 115.5 134.9 1.2
15 10 519.4 219.9 299.5 1.4
16 10 139.0 71.0 68.1 1.0
17 10 78.5 43.8 34.7 0.8
18 10 282.4 108.3 174.1 1.6
Windom 19 10 430.5 114.7 315.8 2.8
20 10 261.4 104.9 156.5 1.5
21 10 164.2 62.6 101.6 1.6
22 10 285.2 119.1 166.1 1.4
23 10 269.3 110.4 158.9 1.4
24 10 87.0 42.0 45.0 1.1
25 10 92.5 30.4 62.1 2.0
26 10 225.7 78.8 146.9 1.9
27 10 58.3 27.4 30.9 1.1
Faribault 28 10 193.4 110.4 83.0 0.8
29 10 50.5 32.2 18.3 0.6
30 10 63.7 41.1 22.6 0.5
31 10 111.8 71.1 40.7 0.6
32 10 82.9 55.0 27.9 0.5
33 10 80.2 42.2 37.9 0.9
34 10 61.4 37.7 23.7 0.6
35 10 35.4 21.2 14.2 0.7
36 10 19.2 9.2 10.0 1.1
a Route length standardized to 161 km (100 miles).
Table 2. Regional trends (% change) in pheasant population indices on 36 study areas in Minnesota, spring 2003–2007.
Birds/route a % change
Region Group n 2003 2004 2005 2006 2007 2006-2007 95% CI
Marshall Total pheasants 9 87.2 116.3 110.4 211.4 273.4 34 ±34
Cocks 9 43.1 47.4 47.7 78.2 98.4 29 ±33
Hens 9 44.1 68.9 62.7 133.2 175.0 39 ±36
Glenwood Total pheasants 9 100.9 113.0 84.5 126.3 248.6 101 ±44
Cocks 9 48.7 47.2 40.2 60.3 104.0 88 ±51
Hens 9 52.2 65.9 44.3 66.0 144.6 121 ±51
Windom Total pheasants 9 162.3 179.7 167.6 234.3 208.2 -8 ±16
Cocks 9 69.4 75.8 65.0 90.5 76.7 -11 ±15
Hens 9 92.9 103.9 102.6 143.9 131.5 -6 ±18
Faribault Total pheasants 9 70.3 86.0 57.3 91.1 77.6 -15 ±15
Cocks 9 37.1 47.1 33.5 44.3 46.7 2 ±20
Hens 9 33.2 38.8 23.8 46.8 30.9 -29 ±15
All Total pheasants 36 105.2 123.8 104.9 165.8 202.0 28 ±18
Cocks 36 49.6 54.4 46.6 68.3 81.5 27 ±18
Hens 36 55.6 69.4 58.3 97.5 120.5 31 ±22
a Route length standardized to 161 km (100 miles).
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