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Dynamics of Land Use/Land Cover Considering Ecosystem Services for a Dense-Population Watershed Based on a Hybrid Dual-Subject Agent and Cellular Automaton Modeling Approach

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Engineering 2024年第6期37卷 182-195页

作者： Yutong Li Yanpeng Cai Qiang Fu Xiaodong Zhang Hang Wan Zhifeng Yang Guangdong Provincial Key Laboratory of Water Quality Improvement and Ecological Restoration for Watersheds Institute of Environmental and Ecological EngineeringGuangdong University of TechnologyGuangzhou 510006China School of Water Conservancy and Civil Engineering Northeast Agricultural UniversityHarbin 150030China School of environmental Science and Engineering Shandong UniversityQingdao 266000China

Land use/land cover represents the interactive and comprehensive influences between human activities and natural conditions,leading to potential conflicts among natural and human-related issues as well as among *** study introduced economic standards for farmers.A hybrid approach(CA-ABM)of cellular automaton(CA)and an agent-based model(ABM)was developed to effectively deal with social and land-use synergic issues to examine human–environment interactions and projections of land-use conversions for a humid basin in south *** attributes and socioeconomic data were used to analyze land use/land cover and its drivers of *** major modules of the CA-ABM are initialization,migration,assets,land suitability,and land-use change *** estimates of the factors influencing the urban land-use conversion probability were captured using parameters based on a spatial logistic regression(SLR)***,multicriteria evaluation(MCE)and Markov models were introduced to obtain empirical estimates of the factors affecting the probability of ecological land *** agent-based CA-SLR-MCE-Markov(ABCSMM)land-use conversion model was proposed to explore the impacts of policies on land-use *** model can reproduce observed land-use patterns and provide links for forest transition and urban expansion to land-use decisions and ecosystem *** results demonstrated land-use simulations under multi-policy scenarios,revealing the usefulness of the model for normative research on land-use management.

关键词： Land use/land cover human-environment interactions Agent-based model Cellular automaton

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Assessment of the potential responses of ecosystem services to anthropogenic threats in the Eten wetland,Peru

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Ecosystem Health and Sustainability 2021年第1期7卷 215-231页

作者： Tania V.Rojas Karin Bartl Jorge D.Abad Department of Engineering Pontificia Universidad Católica Del PerúLimaPeruFormerlyUniversidad De Ingenieria Y Tecnologia-UTECLimaPeru Department of Education Research&DevelopmentRed YakuLimaPeru Peruvian Life Cycle Assessment and Industrial Ecology Network-PELCAN Department of EngineeringPontificia Universidad Católica Del PerúLimaPeru

Introduction:Coastal wetlands are currently threatened by human drivers,such as agriculture,infrastructure development,and urban *** on these ecosystems disturb their morphology and biogeochemical cycles,resulting in the degradation of ecosystem ***,little has been done to understand the wetland response to identify proper conservation *** the Peruvian coast,wetlands present a diversity of landscapes that face similar threats and pressures;however,the ecosystem response in each one may be ***:This study aims to assess the environmental impacts on ecosystem services based on the understanding of geomorphic features and the status of the Eten coastal wetland(Peru).Methods:The methodology combines the application of open-source GIS tools and the collection of field data to characterize the geomorphic settings and to analyze the changes in environmental ***,the main threats and pressures on the Eten wetland are defined and related to impacts on ecosystem services using a cause-effect ***:Overall,the results indicated that the river plays a vital role in defining the wetland landscape and *** biological diversity of aquatic habitats is disturbed by hydraulic structures and agricultural *** land use affects supporting and regulation services,such as water regulation.

关键词： Ecosystem services wetland functions human-environment interactions Eten wetland coastal management

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Paleo-environmental changes in the Yangtze Delta during past8000 years

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Journal of Geographical Sciences 2004年第1期14卷 105-112页

作者： ZHANGQiang JIANGTong SHIYafeng LorenzKING LIUChunling MartinMETZLER NanjingInstituteofGeographyandLimnology CASNanjing200008China GeographicalInstitute GiessenUniversityS-enckenbergstrasse135390GiessenGermany DepartmentofUrban＆ResourcesSciences NanjinguniversityNanjing210093China

The Yangtze Delta is one of the economically most developed areas in China. It is located in the eastern China monsoon region. Archaeological excavations and environment-archaeology studies over many years in this region provide exceptional information about climate changes, development of human civilization and also human-environment interactions. Archaeological excavations made in the study region reveal that the development of Neolithic cultures is not continuous, which may be a result of extreme climatic events. The analysis of 14 C-dated buried paleotrees, peat and shell ridges show the rise and fall of human civilization in the study area. The research results presented in this paper confirm that human civilization collapsed six times in the Yangtze Delta, matching six high sea level epoches, peat accumulation and buried paleotrees formation periods respectively. This indicates that human activities in the Yangtze Delta are controlled by local climate changes and changing hydrological conditions. The collapse of the Liangzhu culture (5000 aBP-3800 aBP) in about 4000 aBP, after a tremendous flooding event, followed by a relatively backward Maqiao culture (3800 aBP-3200 aBP) confused researchers and aroused their great interest. The research results in this paper show that the collapse of the Liangzhu culture is a result of several factors, for example war and food shortage, but the flooding event occurred in the late Liangzhu culture epoch is the main factor therein.

关键词： Holocene flood events climate changes human-environment interactions Yangtze Delta

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