CONSERVATION OF GYMNOSPERM SPECIES IN YEN TU NATIONAL FOREST, QUANG NINH PROVINCE

Phan Thanh Lam; Hoang Van Sam; Dao Cong Anh; Nguyen Thi Tuyet; Nguyen Phuong Thao; Tran Khanh Nhu; Tobias Matusch

Authors

Phan Thanh Lam Northeast Agriculture and Forestry College
Hoang Van Sam Vietnam National University of Forestry
Dao Cong Anh Vietnam National University of Forestry
Nguyen Thi Tuyet Vietnam National University of Forestry
Nguyen Phuong Thao Vietnam National University of Forestry
Tran Khanh Nhu Vietnam National University of Forestry
Tobias Matusch Deutsche Gesellschaft fuer Internationale Zusammenarbeit Vietnam

Keywords:

Conservation, Dacrydium elatum (Roxb.) Wall. ex Hook, Gymnosperms, Podocarpus pilgeri Foxworthy, Yen Tu National Forest

Abstract

This paper surveys the Gymnosperm species in Yen Tu National Forest, Quang Ninh province. A total of 15 Gymnosperm species were found in Yen Tu National Forest belonging to the 5 families Podocarpaceae, Cupressaceae, Cycadaceae, Pinaceae and Gnetaceae. Gymnosperm species in Yen Tu National Forest have a high conservation value with all 15 species listed in IUCN (2015), 02 species in Viet Nam red data book (2007) and 03 species are listed in Decree 32/2006 of the Vietnamese government. The majority of gymnosperms species at Yen Tu National Forest are distributed from 200 to 600m above sea level. Juniperus chinensis L. and Juniperus squamata Buch. - Ham. are distributed up to 800m; Podocarpus chinensis (Roxb.) Wall. and Podocarpus pilgeri Foxworthy are distributed up to 1000m. Only Nageia fleuryi (Hickel) de Laub are distributed at lower than 400m above sea level. This research also provides the morphological and ecological characteristics of Podocarpus pilgeri Foxworthy and Dacrydium elatum (Roxb.) Wall. ex Hook in the research area.