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The Responses of the Ecosystems in the Tianshan North Slope under Multiple Representative Concentration Pathway Scenarios in the Middle of the 21st Century

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State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
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Department of Geography, Ghent University, 9000 Gent, Belgium
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University of Chinese Academy of Science, Beijing 100094, China
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Sino-Belgian Joint Laboratory of Geo-information, Urumqi China and Gent Belgium, Urumqi 830011, China
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Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disaster, School of Geographic Sciences, Nanjing University of Information Science and Technology, Nanjing 210044, China
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Research Center for Ecology and Environment of Central Asia, Chinese Academy of Sciences, Urumqi 830011, China
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Shandong Provincial Key Laboratory of Water and Soil Conservation and Environmental Protection, College of Resources and Environment, Linyi University, Linyi 276000, China
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Royal Meteorological Institute, 1180 Brussels, Belgium
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Department of Physics and Astronomy, Ghent University, 9000 Ghent, Belgium
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Authors to whom correspondence should be addressed.
Sustainability 2020, 12(1), 427; https://doi.org/10.3390/su12010427
Received: 6 December 2019 / Revised: 22 December 2019 / Accepted: 3 January 2020 / Published: 6 January 2020
(This article belongs to the Section Social Ecology and Sustainability)
The arid ecosystem is fragile and sensitive to the changes in climate and CO2 concentration. Exploring the responses of the arid ecosystem to the changes under different representative concentration pathways (RCPs) is of particular significance for the sustainable development of the ecosystem. In this study, the dynamics of net primary productivity (NPP), evapotranspiration (ET), and water use efficiency (WUE) for arid ecosystems in Tianshan North Slope are explored by running the arid ecosystem model at 25 km resolution under RCP2.6, RCP4.5, and RCP8.5. The climate in Tianshan North Slope presents a wet-warming trend during 2006–2055 under each RCP scenario with temporal and spatial heterogeneity. In response to the changes in climate and CO2, the regional annual NPP and ET increased during 2006–2055 by a respectively maximum rate of 2.15 g C m−2 year−1 and 0.52 mm year−1 under RCP8.5. Both the NPP and ET share a similar temporal and spatial heterogeneity with climate change. Different vegetation types respond differently to the changes under different RCP scenarios with increasing WUE. Under each RCP, the non-phreatophyte, phreatophyte, and grass are more sensitive to the changes than in the others, and the broadleaf forest and cropland are less sensitive to the changes. View Full-Text
Keywords: arid ecosystem; arid ecosystem model (AEM); representative concentration pathway (RCP); future climate change; net primary productivity; evapotranspiration; Tianshan North Slope arid ecosystem; arid ecosystem model (AEM); representative concentration pathway (RCP); future climate change; net primary productivity; evapotranspiration; Tianshan North Slope
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MDPI and ACS Style

Cai, P.; Li, C.; Luo, G.; Zhang, C.; Ochege, F.U.; Caluwaerts, S.; De Cruz, L.; De Troch, R.; Top, S.; Termonia, P.; De Maeyer, P. The Responses of the Ecosystems in the Tianshan North Slope under Multiple Representative Concentration Pathway Scenarios in the Middle of the 21st Century. Sustainability 2020, 12, 427. https://doi.org/10.3390/su12010427

AMA Style

Cai P, Li C, Luo G, Zhang C, Ochege FU, Caluwaerts S, De Cruz L, De Troch R, Top S, Termonia P, De Maeyer P. The Responses of the Ecosystems in the Tianshan North Slope under Multiple Representative Concentration Pathway Scenarios in the Middle of the 21st Century. Sustainability. 2020; 12(1):427. https://doi.org/10.3390/su12010427

Chicago/Turabian Style

Cai, Peng; Li, Chaofan; Luo, Geping; Zhang, Chi; Ochege, Friday U.; Caluwaerts, Steven; De Cruz, Lesley; De Troch, Rozemien; Top, Sara; Termonia, Piet; De Maeyer, Philippe. 2020. "The Responses of the Ecosystems in the Tianshan North Slope under Multiple Representative Concentration Pathway Scenarios in the Middle of the 21st Century" Sustainability 12, no. 1: 427. https://doi.org/10.3390/su12010427

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