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| Resource characteristics of wild woody oil plants in Taijiang county, Guizhou province |
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| DOI： |
| KeyWord:Taijiang county oil plants resource survey characteristics |
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| Abstract: |
| In order to find out the present situation of wild woody oil plant resources in Taijiang county, Guizhou province, the investigation and characteristic analysis of wild woody oil plant resources in Taijiang county were carried out by using the methods of multiple seasonal line investigation, sample field investigation in key areas and visiting villagers. The results showed that there were 43 families, 97 genera and 158 species of wild woody oil plants in Taijiang county, accounting for 39.81%, 24.43% and 19.41% of the families, genera and species of oil plants in China, respectively. They accounted for 54.43%, 39.27% and 29.48% of the families, genera and species of wild woody plants in Taijiang county, respectively. The distribution of wild woody oil plants in Taijiang county was dominated by the temperate zone, and the flora was transitional from tropical to subtropical to temperate zone. The wild woody oil plants in Taijiang county were mainly distributed at the altitude of 510-1 000 m, and the species above 1 000 m were few. The Cody index of β-diversity was the highest at the altitude of 600-800 m (not include 600 m)Cody. The changes of the biodiversity of wild woody oil plants in Taijiang county were obviously affected by the altitude. There were 49 wild woody oil plants in Taijiang with oil content higher than 40%, accounting for 31.01% of the total species. The development potential of Camellia oleifera, Sapium sebifera, Zingiberaceae subspecies and Coptis chinensis are high, so it is suggested to give priority to the development of them, and strengthen the protection of germplasm resources of wild woody oil plants. |
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