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Ecosystem management can mitigate vegetation shifts induced byclimate change in West Africa

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Title Ecosystem management can mitigate vegetation shifts induced byclimate change in West Africa
 
Creator Scheiter, Simon
 
Contributor Savadogo, Patrice
 
Subject adgvm
fire
savanna
wood cutting
 
Description tThe welfare of people in the tropics and sub-tropics strongly depends on goods and services that savannaecosystems supply, such as food and livestock production, fuel wood, and climate regulation. Flows ofthese services are strongly influenced by climate, land use and their interactions. Savannas cover c. 20%of the Earth’s land surface and changes in the structure and dynamics of savanna vegetation may stronglyinfluence local people’s living conditions, as well as the climate system and global biogeochemical cycles.In this study, we use a dynamic vegetation model, the aDGVM, to explore interactive effects of climateand land use on the vegetation structure and distribution of West African savannas under current andanticipated future environmental conditions. We parameterized the model for West African savannas andextended it by including sub-models to simulate fire management, grazing, and wood cutting. The modelprojects that under future climate without human land use impacts, large savanna areas would shifttoward more wood dominated vegetation due to CO2fertilization effects, increased water use efficiencyand decreased fire activity. However, land use activities could maintain desired vegetation states thatensure fluxes of important ecosystem services, even under anticipated future conditions. Ecosystemmanagement can mitigate climate change impacts on vegetation and delay or avoid undesired vegetationshifts. The results highlight the effects of land use on the future distribution and dynamics of savannas.The identification of management strategies is essential to maintain important ecosystem services underfuture conditions in savannas worldwide.
 
Date 2016-03-04
2017-02-09T00:31:01Z
2017-02-09T00:31:01Z
 
Type Journal Article
 
Identifier http://oar.icrisat.org/id/eprint/9475
https://mel.cgiar.org/reporting/download/hash/Q0s6iRqR
Simon Scheiter, Patrice Savadogo. (4/3/2016). Ecosystem management can mitigate vegetation shifts induced byclimate change in West Africa. Ecological Modelling, 332, pp. 19-27.
https://hdl.handle.net/20.500.11766/5634
Limited access
 
Language en
 
Rights CC-BY-NC-4.0
 
Format PDF
 
Publisher Elsevier
 
Source Ecological Modelling;332,(2016) Pagination 19,27