Census location

Year

Season census done

Chi-square goodness of fit value

Conclusion

Wet season

Dry season

Amboseli

2010

73

84

Χ2 = 0.77, df = 1, p = 0.38

For 2010, dry season and wet season numbers were similar, with non-significant higher number in dry than wet season.

2013

114

90

Χ2 = 2.82, df = 1, p = 0.093

For 2013, wet season and dry season number were similar, with wet season numbers being non-significantly higher than dry season.

Chi-square value

Χ2 = 8.99, df = 1, p = 0.03

Χ2 = 0.21, df = 1, p = 0.65

For the set of wet season, gerenuk number in 2013 was higher than for 2010 [i.e. gerenuk number increased with time for both seasons]. However, for the set of dry season, the numbers were similar, with non-significant more numbers in 2013.

Magadi

2010

5

2

Χ2 = 1.29, df = 1, p = 0.26

For 2010, wet season and dry season gerenuk number was similar, with non-significant more in the wet season than dry season.

2013

37

48

Χ2 = 1.42, df = 1, p = 0.23

For 2013, wet season and dry season gerenuk number was similar, with non-significant more in the dry season than the wet season.

Chi-square value

Χ2 = 24.38 df = 1, p < 0.001

Χ2 = 42.32, df = 1, p < 0.001

For the set of wet season, and dry season, gerenuk number in 2013 was higher than for 2010 [i.e. gerenuk number increased with time for both seasons].

West Kilimanjaro

2010

11

1

Χ2 = 8.33, df = 1, p = 0.004

For 2010, wet season number was higher than dry season number

2013

66

29

Χ2 = 14.41, df = 1, p < 0.001

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

Chi-square value

Χ2 = 39.29, df = 1, p < 0.001

Χ2 =26.13, df = 1, p < 0.001

For the set of wet season, and dry season, gerenuk number in 2013 was higher than for 2010 [i.e. gerenuk number increased with time for both seasons].

Natron

2010

28

23

Χ2 = 0.49, df = 1, p = 0.48

For 2010, dry season and wet season gerenuk numbers were similar, with a non-significant more numbers in wet than dry season.

2013

45

67

Χ2 = 4.32, df = 1, p = 0.38

For 2013, dry season and wet season gerenuk numbers were similar, with a non-significant more numbers in dry than wet season.

Chi-square value

Χ2 =3.96, df = 1, p = 0.047

Χ2 = 21.51, df = 1, p < 0.001

For the set of wet season, and dry season, gerenuk number in 2013 was higher than for 2010 [i.e. gerenuk number increased with time for both seasons].