Vietnam Botanical Conservation Program Viet Nam Home | Introduction | Study Sites & Images | Viet Nam Links STUDY SITES - Northern Vietnam - LANG SON Click on the image to see a larger image. All images on this site: Dan Harder Hu'u Lien Protected Area Prof. P.K. Loc with Dao at Lan Dat village, Hu'u Lien Protected Area. He is with the National Dance Champion. Fabaceae (DKH 4173), Caesalpineaceae Hu'u Lien Protected Area Vanilla albida Blume (DKH 4186) Hu'u Lien Protected Area Total Area: 8,187 sq.km Population: 704,643 Provincial Capitol: Lang Son Town Districts: Trang Dinh, Binh Gia, Van Lang, Bac Son, Van Quan, Cao Loc, Loc Binh, Chi Lang, Dinh Lap, Huu Lung ETHNIC DIVERSITY The main ethnic groups found in that area include the Kinh, Tay, Nung, Dao, and Ngai. Lang Son is located far north at the 0 km landmark of National Highway 1A, more specifically at Huu Nghi Quan (Friendship Gate). This is an important transportation link between Vietnam and China. CLIMATE The annual average temperature is 21.5°C with an annual humidity of 82%. THREATS Reduction of forest due to increased agriculture.