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2012 COURSE DATES: AUGUST 4 – 17, 2012 - Sirenian International

2012 COURSE DATES: AUGUST 4 – 17, 2012 - Sirenian International

2012 COURSE DATES: AUGUST 4 – 17, 2012 - Sirenian International

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2001 2002 2003 2004 2005 2006 2007<br />

Figure 4. No significant trend in mean number of manatees sighted per 20-minute scan<br />

was detected from 2001-2007 in the Drowned Cayes area of Belize (Likelihood Ratio Chi-<br />

Square = 1.56, df = 1, B = -0.003, p = 0.212 (NS), n = 960). Error bars: +/- 1 SE. Bottom<br />

axis is number of the survey period. Number of manatees per 20-minute scan was the<br />

dependent variable. Independent variable was the time over which the forty-two survey<br />

periods were conducted.<br />

33

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