Ecological Importance Evaluation of the Changzhutan Ecological Green Heart

Table 4

Statistical table of the total variance.

Component	Initial eigenvalue			Extract sum of squares load
	Add up	% of variance	Cumulative%	Add up	% of variance	Cumulative%
1	4.437	40.340	40.340	4.437	40.340	40.340
2	1.525	13.866	54.206	1.525	13.866	54.206
3	1.422	12.930	67.136	1.422	12.930	67.136
4	1.104	10.034	77.170	1.104	10.034	77.170
5	0.881	8.005	85.174
6	0.721	6.558	91.732
7	0.334	3.036	94.768
8	0.226	2.053	96.821
9	0.194	1.761	98.582
10	0.132	1.199	99.782
11	0.024	.218	100.000