青藏高原特有种子植物区系特征及多样性分布格局

于海彬, 张镱锂, 刘林山, 陈朝, 祁威

Floristic characteristics and diversity patterns of seed plants endemic to the Tibetan Plateau

Haibin Yu,Yili Zhang,Linshan Liu,Zhao Chen,Wei Qi

表1 青藏高原特有种子植物属的分布区类型

Table 1 Areal types for the genera of seed plants endemic to the Tibetan Plateau

	分布类型 Areal type	属数 Number of genera	百分比 %
1	世界分布 Cosmopolitan	40	7.7
2	泛热带 Pantropic	45	8.7
3	东亚及热带美洲间断 Tropical Asia and Tropical America disjunction	9	1.7
4	旧世界热带 Old World Tropic	16	3.1
5	热带亚洲至热带大洋洲 Tropical Asia to Tropical Australia	15	2.9
6	热带亚洲至热带非洲 Tropical Asia to Tropical Africa	13	2.5
7	热带亚洲 Tropical Asia	31	5.9
	热带成分小计(2-7) Subtotal in tropical elements (types 2-7)	129	24.8
8	北温带 North Temperate	131	25.2
9	东亚及北美间断 East Asia and North America disjunction	20	3.9
10	旧世界温带 Old World Temperate	50	9.7
11	温带亚洲 Temperate Asia	11	2.1
12	地中海、西亚至中亚 Mediterranean, West Asia to Central Asia	10	1.9
13	中亚 Central Asia	19	3.6
14	东亚 East Asia	65	12.6
15	中国特有 Endemic to China	44	8.5
	温带成分小计(8-15) Subtotal in temperate elements (types 8-15)	350	67.5
	总计 Total	519	100.0