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Pak. J. Bot., 44(4): 1229-1232, 2012.

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A STUDY ON THE FLORA AND VEGETATION OF CAT DUA ISLAND, NORTHEASTERN VIETNAM

XIN-SHENG QIN^1*, RONG-JING ZHANG² AND FU-WU XING³

Abstract: Cat Dua Island (namely Monkey Island) is situated in the Gulf of Tonkin, belonging to the Quang Ninh Province in Vietnam. A total vascular flora of 88 species belonging to 44 families and 76 genera was recorded from the island. The dominant families of the flora are Euphorbiaceae, Papilionaceae, Moraceae, Rutaceae and Rubiaceae etc. Most of the genera in the flora are tropical characteristic. In the island, there are few endemic species, which may be due to its young flora in geological respect. The vegetation are mainly classified as the evergreen broad-leaved forests, scrub forests and beach vegetation. It is urgent to protect biodiversity in limestone regions and how to deal with the relationship between development and protection is still a difficult task.

¹College of Forestry, South China Agricultural University, Guangzhou, China

²College of Life Sciences, South China Agricultural University, Guangzhou, China

³South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China

^*Corresponding author’s e-mail: xinfw@scbg.ac.cn