Ecological Study of the Vegetation in the Loka Abaya National Park, Ethiopia

Table 8

Tukey’s multiple range test between environmental variables and community types (1–7).

Community	1	2	3	4	5	6	7
Altitude	1365^c	1273^abc	1183^d	1429^abc	1484^a	1405^ab	1460^abc
Calcium	19.5^ns	17.0^ns	18.4^ns	17.91^ns	17.82^ns	18.07^ns	15.82^ns
Cation exchange capacity	25.31^ab	21^b	34^a	22.76^ab	19.44^ab	27.00^ab	21.33^ab
Clay	25.9^abc	32^a	29.31^ab	18.12^c	23^bc	25.40^bc	21.44^bc
Electric conductivity	0.83^ns	0.84^ns	0.51^ns	0.81^ns	0.76^ns	0.77^ns	0.88^ns
Disturbance through human	0.37^ns	0.23^ns	0.01^ns	0.25^ns	0.1^ns	0.40^ns	0.11^ns
Potassium	3.58^a	3.32^ab	3.98^a	3.09^ab	3.39^ab	3.41^a	2.24^b
Grazing	1.0^ab	0.88b^ab	1.8^a	0.87^ab	0.31^b	0.84^ab	0.77^ab
Magnesium	6.61^ns	6.78^ns	7.72^ns	7.15^ns	6.12^ns	5.78^ns	7.24^ns
Nitrogen	0.3^ns	0.17^ns	0.2^ns	0.24^ns	0.3^ns	0.2^ns	0.22^ns
Sodium	1.26^b	1.08^b	10.34^a	0.58^b	0.76^b	1.82^b	0.53^b
Phosphorous	9.04^ns	9.77^ns	9.46^ns	8.79^ns	9.39^ns	9.53^ns	9.07^ns
pH	6.95^b	7.06^b	8.86^a	7.01^b	6.45^b	6.89^b	6.30^b
Sand	37.75^ab	34.52^b	31.3^b	50.75^a	48.42^a	44.78^a	48.44^a
Silt	36.31^ns	34^ns	39.66^ns	31.12^ns	27.31^ns	29.96^ns	27.88^ns
Slope	9.56^bc	11.23^abc	4.66^c	16.75^a	12.89^ab	11.31^ab	13.11^ab
Soil moisture content	0.18^b	0.2^b	0.51^a	0.09^b	0.19^b	0.16^b	0.2^b
Soil organic matter	4.95^ns	4.47^ns	2.96^ns	5.26^ns	4.5^ns	5.16^ns	5.11^ns

Different letters within each row indicate significant differences at .