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04-12-2000 Council Agenda
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04-12-2000 Council Agenda
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these marked geese indicated a portion of the flock visited the site nearly <br />every day (Table 2). However, 4 of the 6 neck - collared geese observed . at <br />King's Park visited the site on only one count day. Although peak daily <br />counts of Canada geese were relatively consistent during 4- to 5 -day <br />periods, there appeared to be some turnover in flock composition each day. <br />Experiment 1 <br />Peak daily goose counts did not appear to be affected on the day <br />following the first MA application (3 June, JD 154), however, counts <br />decreased during days 157 -159 (Fig. 2). A total of 119 geese were seen on <br />JD 151, prior to treatment, and only 68 birds were observed on JD 157, 4 <br />days post - treatment. After this initial drop, daily counts increase.d to 90 <br />geese on JD 159, and goose foraging behavior indicated the initial MA <br />application was no longer aversive. The number of goose droppings were <br />not significantly different between control and treatment plots (Fig. 3) <br />except on JD 154 (F= 13.6077, P= .0003), the day following MA application. <br />Consequently, a decision was made to treat all plots with MA using <br />different application rates and methods. <br />Experiment 2 <br />Peak daily goose numbers declined significantly (Y = -4.95X + 861.25, <br />R2 = 0.84) after the second application of MA on 24 June (JD 159), <br />eventually reaching 0 on JD 175 (the last day of observation, Fig. 2). Fecal <br />counts also decreased significantly during days 165 to 175 (Fig. 3). Prior <br />to the second application, about 0.75 goose droppings /m2 /day were <br />counted on all plots. After treatment, 0.40 droppings /m2 /day were <br />tallied. <br />DISCUSSION <br />The geese flocked in small groups converging on the test field in King's <br />Park during mid -day hours, in order to forage on the turf grass and rest in <br />the nearby pond. Because a small number of these geese were previously <br />neck - collared (Table 2), we' observed that a portion of the flock returned <br />to the park almost every count day. However, daily peak counts were <br />somewhat variable because multiple flocks visited the park, and different <br />groups of geese used the site on different days. The geese we observed at <br />King's Park appeared to be primarily non - breeding subadults, as only one <br />group of 6 goslings was observed on the pond. <br />During typical foraging activity, the visiting flocks wandered <br />throughout the treatment and control plots spending ample time feeding. <br />Page 79 <br />
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