三峡库区秭归种子植物区系研究-植物科学学报.PDF

2002, 20( 5) : 371379 J ournal of Wuhan Botanical Resear ch 1 1, 2 1 1 厉恩华 王　勇 吴金清 赵子恩 ( 1. , 430074; 2. , 443600) : , , : , 138 703 1662 ; ; , ; , , , , , ; , , , , , -, : ; ; ; : Q948: A : 1000-470X ( 2002) 05-0371-09 A Study on the Flora of the Seed Plants from Zigui - County of the Three Gorge Reservoir Area 1 1, 2 1 1 - , , - , - LI En Hua WANG Y ng WU Jin Qing ZHAO Zi En ( 1. W uhan I nstitute of B otany, T he Chinese A cademy of S ciences, Wuh an 430074, Ch ina; 2.F or estry Bur eau of Z igu i County , Zigui, Hu bei443600, China) Abstract: Zigui is the first c unty situated in the upper r eaches f the dam in the T hr ee-G rge Reserv ir Ar ea. T he f ll w ing characteristics w ere f und in the study f the fl ra f the seed plants in this c unty: It is abundant in w ild species, c ntaining 1662 species f seed plants w hich bel ng t 703 genera and 138 families. D minance phen men n is bvi us. T he fl ra is archaic, ; - - . relic and pristine Single species and few species genera are rich T he types f distr ibuti n are var- , i us and ge gr aphical elements are c mplex and d minance f temperate elements is bvi us and subtr pical elements ar e plentiful . It has much in c mm n w ith tr pical fl r a, and sh ws s me transiti nal nature. Endemism is n table, acc r