Table 4. Summarized results from DCA, RDA, and GLM analysis. Positive and negative responses to latitude and longitude gradients are indicated by + and –.

Group	Length of gradient (DCA)	Variables	RDA variance p < 0.0001	GLM species number with p < 0.001	GLM species group %
Plants	2.005 s.d	Longitude	15.3%	106 (75– and 31 +)	17.8
		Latitude	6.0%	54 (41– and 13 +)	9.1
Birds	1.638 s.d.	Longitude	8.3%	8 (6– and 2 +)	6
		Latitude	9.0%	8 (4– and 4 +)	6