A SDGs-oriented evaluation of the ecological sustainability of international horticultural exposition sites in Chengdu, China

A SDGs-oriented evaluation of the ecological sustainability of international horticultural exposition sites in Chengdu, China | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article A SDGs-oriented evaluation of the ecological sustainability of international horticultural exposition sites in Chengdu, China Biao Huang, Haolin Yang, Ruoyu Wang, Yufei Meng, Shi Feng, Mucong Li, and 4 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4390479/v1 This work is licensed under a CC BY 4.0 License Status: Posted Version 1 posted You are reading this latest preprint version Abstract This study uses AHP-entropy weight methodology and a spatial econometric regression model to evaluate the ecological sustainability and its changes between the current situation and the planning scenario at the 2024 Chengdu International Horticultural Exposition in China. The results reveal that the low and highest sustainability levels decreased, while medium levels increased to 34.04 hm2. Converting village settlements, wastelands, and farmland into exhibition gardens and water bodies will increase medium-level ecological sustainability by improving rain and flood security and reducing flood disaster risk. Integrated Service areas will have more impervious surfaces as the site develops. Some forest destruction, decreased vegetation coverage, three-dimensional green volume, and vegetation carbon stock will result. It will lower the highest ecological sustainability. The regressive correlation between ecological sustainability level and quantitative indicators was relatively high, ranging from 0.5875 to 0.7148. It will provide policymakers with references and guidance for sustainable development mega-events. Ecological space Habitats diversity Soil erosion intensity Sustainable development Planning scenario Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Posted Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-4390479","acceptedTermsAndConditions":true,"allowDirectSubmit":true,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":302016624,"identity":"6210fea4-fa42-4fec-9ea8-5b2eddde98f4","order_by":0,"name":"Biao Huang","email":"","orcid":"","institution":"International Centre for Bamboo and Rattan, China","correspondingAuthor":false,"prefix":"","firstName":"Biao","middleName":"","lastName":"Huang","suffix":""},{"id":302016625,"identity":"bfb28f0f-d12c-443a-b012-f5633b651480","order_by":1,"name":"Haolin Yang","email":"","orcid":"","institution":"College of Landscape Architecture, Northeast 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The results reveal that the low and highest sustainability levels decreased, while medium levels increased to 34.04 hm2. Converting village settlements, wastelands, and farmland into exhibition gardens and water bodies will increase medium-level ecological sustainability by improving rain and flood security and reducing flood disaster risk. Integrated Service areas will have more impervious surfaces as the site develops. Some forest destruction, decreased vegetation coverage, three-dimensional green volume, and vegetation carbon stock will result. It will lower the highest ecological sustainability. The regressive correlation between ecological sustainability level and quantitative indicators was relatively high, ranging from 0.5875 to 0.7148. 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