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Energies 2016, 9(4), 260; doi:10.3390/en9040260

Effects of Climate Change and LUCC on Terrestrial Biomass in the Lower Heihe River Basin during 2001–2010

1,†
,
1,†,* , 2,3
and
4
1
State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China
2
Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
3
Center for Chinese Agricultural Policy, Chinese Academy of Sciences, Beijing 100101, China
4
College of Water Sciences, Beijing Normal University, Beijing 100875, China
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editors: Xiangzheng Deng and Tapas Mallick
Received: 31 December 2015 / Revised: 21 February 2016 / Accepted: 8 March 2016 / Published: 1 April 2016
(This article belongs to the Special Issue Large Scale LUCC, Ecosystem Service, Water Balance and Energy Use)
View Full-Text   |   Download PDF [3342 KB, uploaded 1 April 2016]   |  

Abstract

Ecosystem services are tightly coupled with availability of solar energy and its partition into energy fluxes, and biomass accumulation, which represents the energy flux in ecosystems, is a key aspect of ecosystem services. This study analyzed the effects of climate change and land use and land cover change (LUCC) on the biomass accumulation change in the Lower Heihe River Basin during 2001–2010. Biomass accumulation was represented with net primary productivity (NPP), which was estimated with the C-Fix model, and scenario analysis was carried out to investigate effects of climate change and LUCC on biomass accumulation change in a spatially explicit way. Results suggested climate change had an overall positive effect on biomass accumulation, mainly owning to changes in CO2 concentration and temperature. LUCC accounted for 70.61% of biomass accumulation change, but primarily owning to fractional vegetation change (FVCC) rather than land conversion, and there is a negative interactive effect of FVCC and climate change on biomass accumulation, indicating FVCC resulting from water diversion played a dominant in influencing biomass accumulation. These results can provide valuable decision support information for the local ecosystem managers and decision makers to guarantee sustainable provision of essential ecosystem services. View Full-Text
Keywords: biomass accumulation; water diversion; climate change; energy flux; fractional vegetation change (FVCC); net primary productivity (NPP) biomass accumulation; water diversion; climate change; energy flux; fractional vegetation change (FVCC); net primary productivity (NPP)
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Yan, H.; Zhan, J.; Wu, F.; Yang, H. Effects of Climate Change and LUCC on Terrestrial Biomass in the Lower Heihe River Basin during 2001–2010. Energies 2016, 9, 260.

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