外来植物入侵群落理论假说

Hypotheses to Invasion Success of Exotic Plants in Natural Ecosystems

综述了外来物种成功入侵受体群落的几种相关假说,即天敌假说、入侵进化假说、空生态位假说、新型武器假说、干扰假说、物种丰富度假说和繁殖体压力假说,并对今后外来植物入侵机制研究进行展望。

Biological invasion has already become a hot topic in the field of ecology and biodiversity. Especially, ecologists put more emphases on the mechanism of invasion success of exotic plants because it is the key to prevent and control the plant invasiveness as a theoretic support. By now, there are still more arguments for the ecological theories in relation to the plant invasion. In this paper the leading hypotheses for exotic plant invasion success were reviewed, including the natural enemies, evolution of invasiveness, empty niche, novel weapons hypotheses, disturbance, species richness and propagule pressure. Some suggestions were also put forward for the studies of mechanism of biological invasion.