Census location

Year

Season census done

Chi-square goodness of fit value

Conclusion

Wet season

Dry season

Amboseli

2010

235

222

Χ2 = 0.37, df = 1, p = 0.54

For 2010, wet season and dry season numbers were similar, with wet season being non-significantly higher.

2013

325

184

Χ2 = 39.06, df = 1, p < 0.001

For 2013, wet season number was higher than the dry season number.

Chi-square value

Χ2 = 14.46, df = 1, p = 0.31

Χ2 = 3.56, df = 1, p = 0.059

For the set of wet season, and dry season, buffalo numbers were similar over time (with non-significant increase in wet season, but also non-significant decline in the dry season over time).

Magadi

2010

62

63

Χ2 = 0.008, df = 1, p = 0.93

For 2010, wet season and dry season numbers were similar.

2013

107

0

No statistical test necessary

For 2013, wet season number was higher than dry season number because there were no buffalo seen in dry season.

Chi-square value

Χ2 = 11.98, df = 1, p = 0.001

No statistical test necessary.

For both sets of wet season, buffalo number in 2013 was higher than for 2010 (i.e. buffalo number increased with time for both seasons). This cannot be said for the dry season because there were no buffalo in 2013 meaning a possible decline.

West Kilimanjaro

2010

0

12

No statistical test necessary

For 2010, buffalo were only seen in the dry season and not wet season.

2013

143

0

No statistical test necessary

For 2013, buffalo were only seen in the wet season but not in the dry season.

Chi-square value

No statistical test necessary.

No statistical test necessary.

For the pair of wet season, buffalo were only seen in 2013 implying an increase with time. But for the dry season, buffalo were seen only in the in 2010 implying a decline with time.

Natron

2010

37

21

Χ2 = 4.41, df = 1, p = 0.036

In 2010, the buffalo number in the wet season was higher than the dry season.

2013

0

0

No statistical test necessary

For 2013, there were no buffalo numbers in both wet and dry season.

Chi-square value

No statistical test necessary.

No statistical test necessary.

For both pairs of wet and dry season, buffalo were only seen in 2010 but not 2013, implying a possible decline with time for both seasons.