舟山群岛珍稀濒危植物的分布与保护

对舟山群岛珍稀濒危植物的组成及分布的分析表明，天然分布的珍稀濒危植物有２１种，种类较少，缺乏古老性，特有成分极少，但具明显的滨海植物区系特色有一定数量的古树。一些乔木树种常为各类次生阔叶林的伴生种或更新种，个别为优势种。地理分布从普它向定海，岱山，嵊泗递减，其中以桃花岛，朱家尖岛，普陀山３个岛屿最集中。针中珍稀濒危植物资源的分布特点及保护现状，提出了进一步加强保护的建议。

Distribution and protection of rare plants in Zhoushan Islands.

Certain ancient trees and 21 species of rare plants with characteristics of littoral flora are found on Zhoushan Islands,where paleophyte and endemic species have very limited number.Usually arbors are companion or regeneration species of secondary broad leaved forests.Very few of them belong to dominant species.The 21 species decrease in quantity from Putuo,Dinghai,Daishan to Shengsi.Most of them center in Taohua,Zhujiajian,and Putuoshan.In the light of the distribution features and protection status of rare plant resources in the area,some suggestions about further protection are advanced.