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. 2012 Apr;25(4):584–591. doi: 10.5713/ajas.2011.11051

Table 2.

The % of birds in range when provided a shelterbelt or no shelterbelt in the range

Time Treatment Birds in range (%) 10 m from shelter (%) 20 m from shelter (%)
Morning Control 22.115 46.020 20.530
Shelter belt 40.833 47.468 40.994
Afternoon Control 27.628 45.999 29.184
Shelter belt 45.385 38.572 45.189
Source of variation p value p value p value
 Time 0.569 0.526 0.576
 Treatment 0.049 0.670 0.122
 Time×treatment 0.956 0.528 0.846
Time of day
 Morning 31.474 46.744 30.762
 Afternoon 36.506 42.285 37.186
 p value 0.588 0.512 0.581
 SEM 4.502 3.302 5.645
Treatment
 Control 24.872 46.010 24.857
 Shelter belt 43.109 43.020 43.091
 p value 0.040 0.661 0.108
 SEM 4.502 3.302 5.645