Medicinal plant diversity at Cham Chu Nature Reserve Area, Tuyên Quang Province

Abstract

Abstract. A total of 443 medicinal plant species were recorded in Cham Chu Nature Reserve Area belonging to 325 genera and 120 families. Most of the medicinal plant species in Cham Chu Nature Reserve Area are Angiosperms with 425 species (95.94%) (360 Dicotyledonae, 65 Monocotyledonae), 6 species belong to the Gymnosperms (1.35%), 10 species are Polypodiophyta (2.26%), Psilotophyta and Lycopodiophyta are only one species (0.23%). The richest 3 families are Euphorbiaceae with 22 (4.97%) species, Rubiaceae with 17 (3.83%) species and Asteraceae ranks third, with 16 (3.61%) species, respectively. When the medicinal plant of the area are analysed by Raunkiaer’s life form system, the results are follows as: phanerophytes 311 (73.18%), chamaephytes 45 (10.59%), hemicryptophytes 10 (2.355%), cryptophytes 33 (7.76%), and therophytes 26 (6.12%) species, respectively.

Evaluation of Ecosystem Service Changes due to Land Use and Land Cover Dynamics in Cham Chu Nature Reserve

“…(Figure 1). The area is a large limestone mountain with many peaks such as Cao Duong peak (989 m), Pu Loan peak (1,154 m), Khau Vuong peak (1,218 m), and the highest peak Cham Chu (1,587 m) (Nguyen et al, 2018). Cham Chu region has a tropical monsoonal climate with two seasons: summer and winter.…”

“…Cham Chu nature reserve (CCNR) was chosen as a case study to access ESV. The area is located inside Tuyen Quang Province, which has the highest biodiversity value in the northeastern part of Vietnam (Nguyen et al, 2018). The Tonkin Snub-nosed Monkey, one of the world's top 25 most endangered primates, listed as "Critically Endangered" on the IUCN's red list of threatened animals (Hoang and Covert, 2012), is found in the region.…”

Oreocharis oriolus, a new species of Gesneriaceae in a sclerophyllous oak community from Yunnan, Southwest China

“…140 accepted names (GRC, 2022 ). By and large, the majority taxa of this genus were found in the South (Fujian, Guangdong, Guangxi, Hainan, Hubei, Hunan and Jiangxi) and Southwest (Guizhou, Sichuan, Yunnan, Xizang and southern Gansu) China, while few species also extending to North Vietnam, Myanmar, Bhutan, India, Japan, and Thailand (Chen et al, 2018 ; Do et al, 2017 ; Möller et al, 2017 , 2018 ; Wei, 2018 ; Wei et al, 2022 ; Xuyen et al, 2016 ).…”