Census location | Year | Season census done | Chi-square goodness of fit value | Conclusion | |
Wet season | Dry season | ||||
Amboseli | 2010 | 876 | 630 | Χ2 = 40.18, df = 1, p < 0.001 | For 2010, wet season number was higher than dry season number. |
2013 | 910 | 488 | Χ2 = 127.39, df = 1, p < 0.001 | For 2013, wet season number was higher than dry season number. | |
Chi-square value | Χ2 = 0.65, df = 1, p = 0.42 | Χ2 = 18.04, df = 1, p < 0.001 | For the set of wet season, ostrich numbers were similar. However, for the set of dry season, ostrich numbers in 2010 was higher than for 2013 (i.e. number had declined with time in the dry season). | ||
Magadi | 2010 | 335 | 130 | Χ2 = 90.38, df = 1, p < 0.001 | For 2010, wet season number was higher than dry season number |
2013 | 348 | 231 | Χ2 = 23.64, df = 1, p < 0.001 | For 2013, wet season number was higher than dry season number | |
Chi-square value | Χ2 = 0.25, df = 1, p = 0.62 | Χ2 = 28.26, df = 1, p < 0.001 | For the set of wet season, ostrich numbers were similar (with only a slightly but insignificantly more in 2013). However, for the set of dry season, ostrich numbers in 2013 was higher than for 2010 (i.e. number had increased with time in the dry season). | ||
West Kilimanjaro | 2010 | 61 | 68 | Χ2 = 0.38. df = 1, p = 0.54 | For 2010, wet season ostrich number and dry season number was similar (with a slightly more but insignificant number in the dry season). |
2013 | 139 | 74 | Χ2 = 19.84, df = 1, p < 0.001 | For 2013, wet season ostrich number was higher than dry season number. | |
Chi-square value | Χ2 = 30.42, df = 1, p < 0.001 | Χ2 = 0.25, df = 1, p = 0.62 | For the set of wet season, ostrich number in 2013 was higher than 2010 (i.e. ostrich number was increasing with time). However, for the set of dry season, ostrich number was similar (with slight insignificant increase in 2013). | ||
Natron | 2010 | 189 | 314 | Χ2 = 31.05, df = 1, p < 0.001 | For 2010, dry season numbers were higher than wet season number |
2013 | 523 | 297 | Χ2 = 62.29, df = 1, p < 0.001 | For 2013, wet season numbers were higher than dry season numbers | |
Chi-square value | Χ2 =156.68, df = 1, p < 0.001 | Χ2 = 0.47 df = 1, p = 0.49 | For the set of wet, ostrich numbers for 2013 was higher than for 2010 (i.e. number of ostrich was increasing with time). However, for the set of dry season, ostrich numbers were similar (with a slight but insignificant decline in ostrich numbers from 2010 to 2013). |