Large-Scale Monitoring of Bird Communities along an Altitudinal Gradient in Two Central High Atlas Valleys

Table 4

Relationship between altitudinal sections, species richness, and abundance in Central High Atlas valleys.

Source	Sum of squares	Df	Mean square	F ratio	value
Abundance	6.30E + 06	1	6.30E + 06	2.31	0.2029
Residual	1.09E + 07	4	2.72E + 06
Richness	1452.48	1	1452.48	9.76	0.0354
Residual	595.015	4	148.754