Abstract
Rapid industrialization and urbanization have brought dramatic changes to land use structure and layout but have caused several negative impacts on the ecosystem and environment. Increasing the supply of ecosystem services (ESs) in important ecological regions through land use optimization is one strategy that must be seriously considered in land use planning. However, existing land use optimization primarily focuses on economic outcomes, and is difficult to adapt to the practical needs of ecological civilization construction in China. Therefore, we formulated a framework that links ESs to land use decisions by combining policy analyses, multi-scenarios and integrated modelling. The paper is organized into three main parts. First, we conduct a systematic literature review to land use change (LUCC), ESs, and their relationship. Next, we build on insights from the literature review to develop a conceptual framework that integrates ESs into land use optimization. The framework includes a quantitative analysis and spatial allocation of land use. For the quantitative analysis, in addition to considering the development trends, we set ESs to achieve national requirements. Then, an optimized scenario targeted at the maximum ecosystem service value was built. For the spatial allocation, we combined multi-layer perception (MLP) and cellular automaton (CA) and developed an MLP-CA model independently. Last, an empirical study of the proposed framework was implemented in Puge County, China. Our results provide a new technical tool for the layout of optimal land use under the constraint of ecological protection policies and provides a way to address trade-offs between ecological, social, and economic values.
Highlights
The acceleration of urbanization and industrialization in China has changed land use patterns, affected the type, area, and distribution of different ecosystems, and are an important impetus of change for ecosystem services (ESs) [1,2,3,4]
Studies on the relationship between ESs and land use have primarily focused on the influence of land use changes on ESs [9,10], coordination between land use types and ESs [11,12], and the optimization of land use structure based on ESs [13,14]
The quantity structural analysis of land use is the basis of the framework, and spatial allocation is achieved based on its quantitative structure
Summary
The acceleration of urbanization and industrialization in China has changed land use patterns, affected the type, area, and distribution of different ecosystems, and are an important impetus of change for ecosystem services (ESs) [1,2,3,4]. Efforts must be made to maintain and increase the supply and capacity of ESs. national key ecological function zones are facing internal demands for economic development and urbanization; this may intensify the expansion of built-up land in these zones, threatening regional ecology. National key ecological function zones were selected as the research object and optimization of ESs was viewed as the main goal. We performed a case study of the proposed framework based on Puge County, China, which is a national key ecological function zone in China. The land use type in Puge County was optimized and a future blueprint of optimized land use layout was proposed
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