Table 2. Distribution of P. densiflora (PD) forests in the NFI plots by altitude and aspect.

Latitude ( °)		33	34	35	36	37	38	Total
Altitude (m; a.s.l.)
< 200	No. of NFI plots	98	607	1,664	1,469	935	65	4,838
	No. of PD plots	-	71	600	389	125	19	1,204
	Occupancy rate (%)	(0.0)	(11.7)	(36.1)	(26.5)	(13.4)	(29.2)	(24.9)
201 to 400	No. of NFI plots	127	310	1,533	1,803	1,089	165	5,027
	No. of PD plots	-	35	512	620	209	35	1,411
	Occupancy rate (%)	(0.0)	(11.3)	(33.4)	(34.4)	(19.2)	(21.2)	(28.1)
401 to 600	No. of NFI plots	105	50	826	843	677	228	2,729
	No. of PD plots	-	8	282	267	157	37	751
	Occupancy rate (%)	(0.0)	(16.0)	(34.1)	(31.7)	(23.2)	(16.2)	(27.5)
601 to 800	No. of NFI plots	90	7	296	229	674	97	1,393
	No. of PD plots	1	-	54	59	105	11	230
	Occupancy rate (%)	(1.1)	(0.0)	(18.2)	(25.8)	(15.6)	(11.3)	(16.5)
801 to 1,000	No. of NFI plots	63	-	158	62	418	65	766
	No. of PD plots	1	-	18	10	26	3	58
	Occupancy rate (%)	(1.6)	-	(11.4)	(16.1)	(6.2)	(4.6)	(7.6)
> 1,000	No. of NFI plots	80	-	100	15	174	17	386
	No. of PD plots	2	-	1	-	8	-	11
	Occupancy rate (%)	(2.5)	-	(1.0)	(0.0)	(4.6)	(0.0)	(2.8)
Total	No. of NFI plots	563	974	4,577	4,421	3,967	637	15,139
	No. of PD plots	4	114	1,467	1,345	630	105	3,665
	Occupancy rate (%)	(0.7)	(11.7)	(32.1)	(30.4)	(15.9)	(16.5)	(24.2)