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Assessment of ecosystem services value in response to prevailing and future land use/cover changes in Lahore,Pakistan

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Regional Sustainability 2020年第1期1卷 37-47页

作者： Mobeen Akhtar Yuanyuan Zhao Guanglei Gao qudsia gulzar Azfar Hussain Abdus Samie Key Laboratory of State Forestry Administration on Soil and Water Conservation Beijing Forestry UniversityBeijing100083China Yanchi Research Station School of Soil and Water ConservationBeijing Forestry UniversityBeijing100083China Centre for Geographic Information Systems University of the PunjabLahore54000Pakistan Institute of Agriculture&Resource Economics(IARE) University of AgricultureFaisalabad38000Pakistan

Land use/cover changes(LUCCs)significantly affect ecosystem services(ESs)and their corresponding monetary *** can be evaluated to analyze the ecological and environmental changes caused by *** research aims to estimate variations in the ecosystem services value(ESV)due to LUCCs in Lahore of Pakistan,and to offer information and recommendations to policy-makers concerned with the economic improvement of metropolis *** first investigated the historical LUCCs from 1990 to 2019,and then simulated the future land use/cover in 2030 and 2050 based on the CA-Markov model under three scenarios,including business-as-usual(BAU),rapid economic growth(REG),and coordinated environmental sustainability(CES).Subsequently,we evaluated the ESV from 1990 to 2050 and evaluated the historical and potential future ESV changes induced by LUCCs during 1990–2019 and 2019–2050,*** results showed that,land use/cover exhibited an increase in built-up land and decreases in vegetation,water body,and unused land both in the past and *** net ESV decreased from 58.26 million USD in 1990 to 50.31 million USD in *** 2050,the decrease in ESV is most rapid under the REG scenario(decrease ESV of 7.13 million USD and decrease percentage of 14.18%),followed by the BAU(decrease ESV of 5.61 million USD and decrease percentage of 11.15%)and CES(decrease ESV of 5.18 million USD and decrease percentage of 10.30%)*** each ecosystem service type,the ESV of waste treatment decreased by 18.37%from 1990 to 2019,followed by soil formation and conservation(17.52%),biodiversity and maintenance(13.23%),climate regulation(11.80%),food production(11.69%),hydrological regulation(11.11%),and aesthetic value(3.07%).These outcomes indicate that continuous land use/cover planning should focus on regenerating aquatic areas and vegetation restoration.

关键词： Ecosystem services Land use/cover changes Environmental sustainability CA Markov Urban expansion Value coefficient

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