Roads as drivers of above-ground biomass loss at tropical forest edges in Xishuangbanna, Southwest China
Dissanayake, Dissanayake Mudiyanselage Naveen Jayalal1,2,3; Zhai, De-Li1,3; Dossa, Gbadamassi Gouvide Olawole1,3,4; Shi, Jipu4; Luo, Qinghui1,5; Xu, Jianchu1,3
Corresponding AuthorZhai, De-Li(zhaideli@mail.kib.ac.cn) ; Xu, Jianchu(jxu@mail.kib.ac.cn)
2019-07-15
Source PublicationLAND DEGRADATION & DEVELOPMENT
ISSN1085-3278
Volume30Issue:11Pages:1325-1335
AbstractRoads are an increasingly important anthropogenic disturbance to tropical ecological systems. Although the ecological impacts of roads are now well recognised, there remains a lack of certainty regarding how roads in general and roads with different widths affect vital ecosystem services such as above-ground biomass (AGB) in tropics. Using a non-destructive sampling method, we investigated disturbance effects of roads on AGB and related attributes in Xishuangbanna, China. We surveyed woody plants in natural forests, rubber plantations, and tea plantations up to 100 m from the edge of three different road widths and estimated AGB using allometric equations at 10 m intervals. Two sample t-test results confirmed that natural forests stored more AGB than rubber and tea plantations, and less AGB at edges of wider road than at edges of narrower road. Linear mixed effects models revealed that land use, road width, and distance from edge significantly explained 68% (both fixed and random factors) variation in AGB. We observed two results that indicated wider roads altered more AGB than narrower road types in natural forests. First, AGB declined at road edges; second, the disturbance effects on AGB by wider road types went deeper than narrower roads did in natural forests. Our results suggest that both widening the existing roads and construction of new roads will degrade ecosystem productivity. We recommend that impacts assessments of roads on AGB should be considered and taken serious while planning and designing roads to avoid serious damages to many ecosystem services that AGB provides.
Keywordecosystem services edge effects monoculture rubber road ecology tropical forests
DOI10.1002/ldr.3316
Indexed BySCI
Language英语
WOS IDWOS:000472123300005
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/67262
Collection中国科学院东亚植物多样性与生物地理学重点实验室
Corresponding AuthorZhai, De-Li; Xu, Jianchu
Affiliation1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia KLPB, Kunming 650201, Yunnan, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.World Agroforestry Ctr ICRAF, East & Cent Asia Off, Kunming 650201, Yunnan, Peoples R China
4.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Dept Gardening & Hort, Menglun 666303, Peoples R China
5.Yunnan Univ, Sch Life Sci, Kunming 650091, Yunnan, Peoples R China
Recommended Citation
GB/T 7714
Dissanayake, Dissanayake Mudiyanselage Naveen Jayalal,Zhai, De-Li,Dossa, Gbadamassi Gouvide Olawole,et al. Roads as drivers of above-ground biomass loss at tropical forest edges in Xishuangbanna, Southwest China[J]. LAND DEGRADATION & DEVELOPMENT,2019,30(11):1325-1335.
APA Dissanayake, Dissanayake Mudiyanselage Naveen Jayalal,Zhai, De-Li,Dossa, Gbadamassi Gouvide Olawole,Shi, Jipu,Luo, Qinghui,&Xu, Jianchu.(2019).Roads as drivers of above-ground biomass loss at tropical forest edges in Xishuangbanna, Southwest China.LAND DEGRADATION & DEVELOPMENT,30(11),1325-1335.
MLA Dissanayake, Dissanayake Mudiyanselage Naveen Jayalal,et al."Roads as drivers of above-ground biomass loss at tropical forest edges in Xishuangbanna, Southwest China".LAND DEGRADATION & DEVELOPMENT 30.11(2019):1325-1335.
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