Biodiversity of medicinal plants in Vietnam: A case study at Nui Chua National Park, Ninh Thuan province
Paper Details
Biodiversity of medicinal plants in Vietnam: A case study at Nui Chua National Park, Ninh Thuan province
Abstract
The method of quantitative research on medicinal plants is very necessary and important but it has not been paid attention to in Vietnam. A total of 14 sample plots was established, each sample plot of 500m2 (25m x 20m) and randomly distributed through tropical evergreen broad-leaved humid low mountain forest and tropical broad-leaved dry forest state. Two main contents were carried out: (i) Determine taxa diversity, life-forms, parts used, disease groups, threatened medicinal plants, (ii) identify diverse indicators of medicinal plants. The results showed that a total of 55 medicinal plant species, 50 genera, 36 families of 3 phyla was found in Nui Chua National Park. Among them, 9 threatened species was listed in the Vietnam Red Data Book (2007), and the IUCN Red List (2019). The life-forms of medicinal plants were recorded as woody plant, herbaceous, shrubs, epiphyte, and vines. Nine parts used of medicinal plant species were used to treat disease (stems, roots, barks, fruits, leaves, tubers, flowers, seeds, and sap). The frequency of use of each medicinal plant part in the tropical dry broadleaf forests is more than in the low mountain tropical humid evergreen forest. They were used to health care and disease treatment 17 disease groups. The method of quantification of species diversity and distribution by Beta (β), Shannon (H), Pielou (J’), Simpson (Cd), Margalef (d), A/F ratio, Sorensen (SI) and the relationship between species (Cluster) was used to quantify the diversity and distribution of the medicinal plant. The results indicated that the diversity of medicinal plants in tropical evergreen broad-leaved humid low mountain forest is higher than the tropical broad-leaved dry forest state.
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