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Assessing the Adaptability of Water Resources System in Shandong Province, China, Using a Novel Comprehensive Co-evolution Model

机译：利用新型综合协同演化模型评估中国山东省水资源系统的适应性

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Studying the complex adaptability of regional water resources systems (WRS) plays an important role in promoting the sustainable utilization of water resources and improving the adaptation of WRS to environmental change. This study proposed a comprehensive co-evolution model, based on the conditions of the elements and on the mechanism of their interaction, to study the adaptive development of WRS. Using the model, the survival fitness of each subsystem, the coordination degree between each subsystem, and the survival fitness of the WRS were obtained, and the main factors that affect the adaptation of the WRS were analyzed. Shandong Province in China was used as an example. The results showed that during 2006-2015, the average annual survival fitness of the resource, social, economic, and ecological subsystems was 0.257, 0.282, 0.257, and 0.251, respectively, which indicated a low adaptability for each subsystem. The coordination degree between each subsystem (resource-society, resource-economy, resource-ecology, social-economic, social-ecological, and economic-ecological) was 0.319, 0.355, 0.334, 0.364, 0.333, and 0.351, respectively, which indicated minimal coordination between each subsystem. The average annual survival fitness of the WRS was 0.551, and the adaptability of the WRS was classified as basic. Further analysis revealed that the coordination problem caused by the interaction of the elements in each subsystem was responsible for the low adaptability. The coordination problem, therefore, places severe constraints on the adaptive development of WRS. Therefore, solving the problem of coordination between elements is fundamental to improving the adaptability of WRS and promoting its sustainable development.
机译：研究区域水资源系统（WRS）的复杂适应性，对促进水资源的可持续利用和改善WRS对环境变化的适应性具有重要作用。这项研究基于元素的条件及其相互作用的机理，提出了一个全面的协同进化模型，以研究WRS的适应性发展。利用该模型，获得了各子系统的生存适应度，各子系统之间的协调度以及WRS的生存适应度，并分析了影响WRS适应性的主要因素。以中国山东省为例。结果表明，在2006-2015年期间，资源，社会，经济和生态子系统的年均生存适应度分别为0.257、0.282、0.257和0.251，这表明每个子系统的适应性均较低。每个子系统（资源社会，资源经济，资源生态，社会经济，社会生态和经济生态）之间的协调度分别为0.319、0.355、0.334、0.364、0.333和0.351，这表明每个子系统之间的协调最小。 WRS的平均年生存适合度为0.551，WRS的适应性被归类为基本。进一步的分析表明，由每个子系统中元素的交互作用引起的协调问题是适应性差的原因。因此，协调问题严重限制了WRS的适应性发展。因此，解决要素之间的协调问题对于提高WRS的适应性和促进其可持续发展至关重要。

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