DOI: 10.1016/j.foreco.2016.01.028
Scopus记录号: 2-s2.0-84955472320
论文题名: Determinants of aboveground carbon offset additionality in plantation forests in a moist tropical forest in western Kenya
作者: Otuoma J. ; Anyango B. ; Ouma G. ; Okeyo D. ; Muturi G.M. ; Oindo B.
刊名: Forest Ecology and Management
ISSN: 0378-1127
出版年: 2016
卷: 365 起始页码: 61
结束页码: 68
语种: 英语
英文关键词: Aboveground carbon offset additionality
; Restoration planting
; Tropical forests
Scopus关键词: Biodiversity
; Conservation
; Density (specific gravity)
; Reforestation
; Restoration
; Tropics
; Wood
; Above-ground carbons
; Forest restoration
; Plantation forests
; Secondary forests
; Silvicultural management
; Systematic sampling
; Tropical forest
; Wood specific gravities
; Forestry
; Carbon
; Forests
; Restoration
; Bischofia javanica
; Cupressus lusitanica
; Maesopsis eminii
; Pinus patula
英文摘要: Few studies have attempted to identify factors that contribute to aboveground carbon offset additionality in forest restoration planting in the tropics. Moreover, those that have compared aboveground carbon offset potential of naturally regenerating secondary forests and plantation forests have yielded conflicting results regarding the ability of the latter to attain carbon offset additionality, thus limiting broad adoption of carbon-driven forest restoration interventions. We assessed woody species diversity, stem density, stem diameter and wood specific gravity of secondary and plantation forests in Kakamega Forest in western Kenya to identify determinants of aboveground carbon offset additionality in plantation forests. Secondary forests comprised old-growth, middle-aged and young vegetation stands. Plantation forests consisted of mixed indigenous, Maesopsis eminii indigenous monoculture and Cupressus lusitanica, Pinus patula and Bischofia javanica exotic monoculture stands. Assessment was carried in 135 sample plots in three forest blocks using stratified systematic sampling in nested plots. Analysis of variance indicated that there was no significant difference in woody species diversity between secondary and plantation forests due to natural forest succession in both forest types. Mixed indigenous plantation had more aboveground carbon stock than secondary forest stands of comparable stand age due to its greater proportion of tree species with high wood specific gravity and large tree diameter. Old-growth secondary forest had more aboveground carbon stock than monoculture forest plantations due to its relatively higher wood specific gravity. Middle-aged secondary forest had relatively lower aboveground carbon stock than plantation forests of comparable stand age because of its smaller tree diameter. The results suggest that stem diameter and wood specific gravity are the most important determinants of aboveground carbon offset additionality. Thus, forest managers and investors in carbon offset projects can achieve aboveground carbon offset additionality in forest restoration interventions by planting tree species with relatively higher wood specific gravity and manipulating them to attain large stem diameter through silvicultural management. © 2016 Elsevier B.V.. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/65038
Appears in Collections: 影响、适应和脆弱性
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作者单位: Kenya Forestry Research Institute, Migori Sub-Regional Research Centre, PO Box 464, Suna-Migori, Kenya; Jaramogi Oginga Odinga University of Science and Technology, PO Box 210, Bondo, Kenya; Maseno University, Maseno, Kenya; Kenya Forestry Research Institute, PO Box 20412, Nairobi, Kenya
Recommended Citation:
Otuoma J.,Anyango B.,Ouma G.,et al. Determinants of aboveground carbon offset additionality in plantation forests in a moist tropical forest in western Kenya[J]. Forest Ecology and Management,2016-01-01,365