关键词: 藏药, 移栽, 工布乌头, 多样性

Abstract:

Aconitum kongboense as a typical Tibetan medicine, its germplasm resources protection and artificial breeding technology are based for using this resource sustainably. Wild medicinal materials tending of Tibetan medicines is effective technology for maintaining the specific population amounts, however, anthropogenic increase single species quantity may cause some negative influence on plateau ecological environment. In this sense, this paper investigated the original habitat and transplanted habitat, and contrastively analyzed the effect of transplant Aconitum kongboense on grassland community structure and diversity in the original habitat. The results showed that the total density and above-ground biomass of grassland vegetation community in CK were higher than that in the transplant treatment at each altitude, especially at the altitude of 3 950 m (P<0.05); from the aspect of abundance distribution of different grassland vegetation community, Eragrostis pilosa dominated in each communities and each altitude, the abundance distribution of common species and rare species increased with the elevation gradient, and then decreased after the peak; the Shannon-Wiener and Simpson diversity indices of transplant treatment grassland community were lower than CK at the altitude of 3 950 m and 4 260 m, which were higher than the others; the Margalef richness index of transplant treatment grassland community was higher than that in CK at the altitude ranged from 4 071 m to 4 260 m. Overall, the trend indicated that the density and above-ground biomass of Aconitum kongboense transplant treatment were lower than that of the CK, but maintained high diversity. So, the transplant treatment had slightly impacts on plateau environment.

Key words: Tibetan medicines, Transplant, Aconitum kongboense, Diversity