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当前位置: 首页 > 文章 > Ecoregional variations of aboveground biomass and stand structure in evergreen broadleaved forests 林业研究(英文版) 2019,31 (5)
Position: Home > Articles > Ecoregional variations of aboveground biomass and stand structure in evergreen broadleaved forests Journal of Forestry Research 2019,31 (5)

Ecoregional variations of aboveground biomass and stand structure in evergreen broadleaved forests

作  者：
Tran Van Do;Mamoru Yamamoto;Osamu Kozan;Vo Dai Hai;Phung Dinh Trung;Nguyen Toan Thang;Lai Thanh Hai;Vu Thanh Nam;Trieu Thai Hung;Hoang Van Thang;Tran Duc Manh;Cao Chi Khiem;Vu Tien Lam;Nguyễn Quang Hưng;Tran Hoang Quy;Pham Quang Tuyen;Hong Truong Luu;Nguyễn Thị Thu Phương;Ninh Viet Khuong;Nguyễn Văn Tuấn;Đặng Thị Hải Hà;Tran Hai Long;Dang Van Thuyet;Dang Thinh Trieu;Nguyen Van Thinh;Tran Anh Hai;Duong Quang Trung;Nguyen Van Bich;Dinh Hai Dang;Pham Quang Dung;Nguyễn Huy Hoàng;Le Thi Hanh;Phan Minh Quang;Nguyễn Thị Thuý Hường;Hoàng Nghĩa Sơn;Nguyễn Thanh Sơn;Nguyễn Thị Vân Anh;Nguyen Thi Hoai Anh;Pham Dinh Sam;Hoang Thi Nhung;Hoang Van Thanh;Nguyễn Hữu Thịnh;Tran Hong Van;Ho Trung Luong;Bui Kieu Hun
单  位：
Center for Southeast Asian Studies, Kyoto University, Kyoto, Japan;Vietnamese Academy of Forest Sciences, North Tu Liem, Vietnam; Silviculture Research Institute, Vietnamese Academy of Forest Sciences, North Tu Liem, Vietnam;Silviculture Research Institute, Vietnamese Academy of Forest Sciences, North Tu Liem, Vietna;Research Institute for Sustainable Humanosphere, Kyoto University, Uji, Japan;Vietnam Administration of Forestry, Ba Dinh, Vietnam;Silviculture Research Institute, Vietnamese Academy of Forest Sciences, North Tu Liem, Vietnam
关键词：
Aboveground biomass;Carbon storage;Climatic variables;Ecoregion;Edaphic variables;Old-growth forest;CARBON STOCKS;SHIFTING CULTIVATION;LIVE BIOMASS;STORAGE;UNCERTAINTY;LANDSCAPE;DYNAMICS;PATTERNS;DENSITY;GROWT
摘  要：
Abstract Biotic and abiotic factors control aboveground biomass (AGB) and the structure of forest ecosystems. This study analyses the variation of AGB and stand structure of evergreen broadleaved forests among six ecoregions of Vietnam. A data set of 173 1-ha plots from 52 locations in undisturbed old-growth forests was developed. The results indicate that basal area and AGB are closely correlated with annual precipitation, but not with annual temperature, evaporation or hours of sunshine. Basal area and AGB are positively correlated with trees > 30 cm DBH. Most areas surveyed (52.6%) in these old-growth forests had AGB of 100–200 Mg ha −1 ; 5.2% had AGB of 400–500 Mg ha −1 , and 0.6% had AGB of > 800 Mg ha −1 . Seventy percent of the areas surveyed had stand densities of 300–600 ind. ha −1 , and 64% had basal areas of 20–40 m 2 ha −1 . Precipitation is an important factor influencing the AGB of old-growth, evergreen broadleaved forests in Vietnam. Disturbances causing the loss of large-diameter trees (e.g., > 100 cm DBH) affects AGB but may not seriously affect stand density.

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