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Ecoregional variations of aboveground biomass and stand structure in evergreen broadleaved forests 被引量:1
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作者 Tran Van Do Mamoru Yamamoto +42 位作者 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 Nguyen Quang Hung Tran Hoang Quy Pham Quang Tuyen Trinh Ngoc Bon Nguyen thi Thu Phuong Ninh Viet Khuong Nguyen Van Tuan dang thi hai ha 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 Tien Dung Nguyen Huy Hoang Le thi hanh Phan Minh Quang Nguyen thi Thuy Huong Hoang Thanh Son Nguyen Thanh Son Nguyen thi Van Anh Nguyen thi Hoai Anh Pham Dinh Sam Hoang thi Nhung Hoang Van Thanh Nguyen Huu thinh Tran Hong Van Ho Trung Luong Bui Kieu Hung 《Journal of Forestry Research》 SCIE CAS CSCD 2020年第5期1713-1722,共10页
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 V... 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 1731-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. 展开更多
关键词 Aboveground biomass Carbon storage Climatic variables ECOREGION Edaphic variables Oldgrowth forest
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