【摘要】 对植被逆行演替的分析有助于当今退耕还林植被恢复建设。凉山州暗针叶林分布较广,是西南林区的最主要森林类型之一。杜鹃-冷杉林逆行演替以林下杜鹃为主的下木层替代乔木层为特点,逐渐向杜鹃灌丛、高山草甸,甚至流石滩逆行演替;箭竹-云杉林或箭竹-冷杉林逆行演替表现为迅速被箭竹或悬钩子、蔷薇等灌丛占据,进而被柳叶菜(Epiobium.sp)替代。因此,在进行植被恢复的过程中,可详细调查原生植物群落,人为引入接近该地气候演替顶极的种源或种苗,并在改造地内密植,逐惭形成郁闭的植物群落。更多还原

【Abstract】 Characteristics analysis about the regressive successions was good at the vegetation restoration of converting the farmland into forest engineering. The dark coniferous forest distributed widely in Liangshan prefecture, and it was the main forest type of the southwest forest of China. The regressive succession of fir-azalea forest had the features of that the azalea under the canopy substituted the arbor, and the succession would go to the azalea bosk, furtherly the meadow and the rocks. The regressive succession of bamboo(fargesia)-spruce forest or bamboo(fargesia)-fir forest had the features of that it was substituted by the bosk of bamboo(fargesia) , raspberry, and rosebush and so on, furtherly was substituted by Epiobium.sp. It was necessary to investigate the original vegetation community carefully when we resumed the vegetation, inducted the seed or seedling that adaptatd the native climate climax, and planted densely, and let it come into being the close vegetation community.更多还原