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Đa dạng tài nguyên cây thuốc ở vườn quốc gia Phia Oắc - Phia Đén, huyện Nguyên Bình, tỉnh Cao Bằng

Bài viết trình bày đánh giá hiện trạng đa dạng tài nguyên cây thuốc nhằm cung cấp dữ liệu, cơ sở khoa học góp phần bảo tồn và phát huy giá trị nguồn tài nguyên cây thuốc trong các hệ sinh thái của VQG Phia Oắc - Phia Đén. | VNU Journal of Science: Earth and Environmental Sciences, Vol. 35, No. 1 (2019) 63-70 Original article Diversity of Medicinal Plants at Phia Oac - Phia Den National Park, Nguyen Binh District, Cao Bang Province Nguyen Ngan Ha*, Dang Ngoc Linh Faculty of Environmental Sciences, VNU University of Science, 334 Nguyen Trai, Hanoi, Vietnam Received 13 February 2019 Revised 14 March 2019; Accepted 16 March 2019 Abstract: The results of our research at Phia Oac - Phia Den National Park show that: number of medicinal plant species found in the surveyed area is 472 species, belonging to 323 genera, 128 families. There are 110 species of Angiospermae (85.94%), 10 species of Pteridophyta (7.81%), 6 species of Gymnospermae (4.69%) and 2 species of Lycopodiophyta (1.56%). Nine richness families are Asteraceae, Araliaceae, Euphorbiaceae, Fabaceae, Rubiaceae, Rutaceae, Verbenaceae, Poaceae, and Zingiberaceae. The life form of medicinal plants in Phia Oac - Phia Den National Park is SB = 56.57Ph + 9.11Ch + 16.52Hm + 9.96Cr + 7.84Th. Most popular parts in medical utilization are leaves (71.82%), roots or tubers (40.25%) and sap or essential oil (40.04%), that was used for 21 groups of medical treatments, mostly for dermatologic preparations. The medical plants were mainly found in forest ecosystems (56.36%), scrubs or grasslands (42.37%), and agricultural ecosystems (37.92%). Based on life forms and used parts, distributing habitats, we suggest the medical plants at Phia Oac - Phia Den National Park would be exploited within scrubs or grasslands, agricultural ecosystems and in some areas under the canopy of plantation forests in the purpose of natural resource sustainable utilization integrated with local economic development. Keywords: Medicinal plant, diversity, Phia Oac - Phia Den National Park. _ Corresponding author. E-mail address: nguyennganha@hus.edu.vn https://doi.org/10.25073/2588-1094/vnuees.4367 63 VNU Journal of Science: Earth and Environmental .