【摘要】 据孢粉分析和 C14同位素测定结果 ,查明习水天鹅池风景旅游区在距今两千年前后的古植被及相应的古气候 ;并据湖泊的淤积速率推测出天鹅池的形成年代。这不仅丰富了景区的旅游内容 ,而且为研究区域森林植被的历史变迁提供了翔实的资料。更多还原

【Abstract】 According to the analysis of sporopollen and C14 isotope , the climate and existence of ancient vegetation 2000 years ago in Xishui Swan Pool have been determined Moreover , the forming age of the swan pool has been inferred according to the silt deposit rate of the lake This information will not only enrich the content of this scenic tourist spot , but also provide more accurate data for the study of historical changes in the region’s forest vegetation更多还原