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Assessment of habitat features modulated carbon sequestration strategies for drought management in tropical dry forest fragments
Chaturvedi, R. K.; Tripathi, Anshuman2; Pandey, Rajiv3; Raghubanshi, A. S.; Singh, J. S.
2024
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
Volume951Issue:xPages:-
Abstract

Habitat features, such as species diversity, functional diversity, tree size, disturbances and fragment sizes have differential impacts on carbon (C) storage and C-sequestration in forest ecosystems. Present study attempted to understand the tree strategies for modulating C-sequestration capacity across tropical dry forest fragments with variable edge distances. We evaluated the differences between drought strategies (i.e., drought avoiding and drought tolerant) for variations in stem density, relative growth rate (RGR), C-storage and C-sequestration, species diversity, functional diversity, tree size and disturbance indicators along edge distance gradient, besides analyzed the differences between drought strategies for responses of C-storage and C-sequestration to variations in species diversity, functional diversity, tree size and disturbance indicators. Various traits and functional indices were analyzed using standard statistical techniques. For total trees and for the two drought strategies, generalized linear modeling results showed a significant decline in stem density, RGR, C-stock, C-sequestration, species diversity, functional diversity and tree size indicators, while a considerable increase in disturbance indicators, along decreasing edge distance across the fragments. The drought strategies exhibited a high degree of variation in the slope of associations for above variables with edge distance across fragments. For predicting Csequestration, structural equation modeling results showed highly significant influence of functional diversity indicators for drought avoiding strategy, while species diversity indicators were strongly significant for drought tolerant strategy. Moreover, fire index and drought index were critical predictors for C-sequestration for drought avoiding and drought tolerant strategies, respectively. This study provide inputs to understand the largely ignored processes of C-storage and C-sequestration in fragmented forests, which are currently prevalent due to heavy anthropogenic pressures. Our findings are useful for forest managers to understand vegetation responses to interactions of species diversity, functional diversity, tree size and disturbance indicators, for predicting the stability of larger fragments and for planning restoration of smaller fragments.

KeywordPLANT FUNCTIONAL TRAITS TREE SPECIES-DIVERSITY ECOSYSTEM-FUNCTION BIODIVERSITY BIOMASS STORAGE WATER ACCUMULATION DISTURBANCE RESPONSES
Subject AreaEnvironmental Sciences
DOI10.1016/j.scitotenv.2024.175703
Indexed BySCI
Language英语
WOS IDWOS:001301687800001
Citation statistics
Document Type期刊论文
Identifierhttps://ir.xtbg.ac.cn/handle/353005/14303
Collection其他
Affiliation1.[Chaturvedi, R. K.] Chinese Acad Sci, Ctr Integrat Conservat, Menglun 666303, Yunnan, Peoples R China
2.Chaturvedi, R. K.] Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Yunnan Key Lab Conservat Trop Rainforests & Asian, Menglun 666303, Yunnan, Peoples R China
3.Natl Mineral Dev Corp Ltd, Bailadila Iron Ore Mine, Bacheli Complex, Dantewada 494553, Chhattisgarh, India
4.Indian Council Forestry Res & Educ ICFRE, Dehra Dun, India
5.Raghubanshi, A. S.] Banaras Hindu Univ, Inst Environm & Sustainable Dev, Varanasi 221005, Uttar Pradesh, India
6.Singh, J. S.] Banaras Hindu Univ, Dept Bot, Ecosyst Anal Lab, Varanasi 221005, Uttar Pradesh, India
Recommended Citation
GB/T 7714
Chaturvedi, R. K.,Tripathi, Anshuman,Pandey, Rajiv,et al. Assessment of habitat features modulated carbon sequestration strategies for drought management in tropical dry forest fragments[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2024,951(x):-.
APA Chaturvedi, R. K.,Tripathi, Anshuman,Pandey, Rajiv,Raghubanshi, A. S.,&Singh, J. S..(2024).Assessment of habitat features modulated carbon sequestration strategies for drought management in tropical dry forest fragments.SCIENCE OF THE TOTAL ENVIRONMENT,951(x),-.
MLA Chaturvedi, R. K.,et al."Assessment of habitat features modulated carbon sequestration strategies for drought management in tropical dry forest fragments".SCIENCE OF THE TOTAL ENVIRONMENT 951.x(2024):-.
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