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    Water Security and Multi-Sector Trade-Offs Under Climate Change: A Hydro-Economic Model for the Biobío River Basin, Chile
    (World Scientific Pub Co Pte Ltd, 2025-03-29)
    Francisco Fernández Jorquera
    ;
    Esteban Arias Montevechio
    ;
    María Victoria Ferrera Cordero
    ;
    Mauricio Leiva
    ;
    Pablo S. González
    Water availability has been declining in recent years due to climate change. These decreases, in conjunction with rising temperatures and environmental changes, affect the behavior of various stakeholders, increasing the competition among water-consuming sectors to obtain this limited resource. In this study, we perform a hydro-economic model to analyze how the agricultural and residential sectors adapt to diverse climatic, social and regulation changes, using the Biobío basin in southern Chile as the case study. The model quantifies their economic welfare derived from using water as an input for their cropping activities and direct consumption, respectively, while maintaining environmental flows, rural drinking water, and supporting tourism activities. Furthermore, we assess the economic effects of increasing water security for the environment and tourism sectors. Results show that climate change and water security policies will have heterogeneous effects on water-consuming agents across different basin levels — higher-, medium-, and lower-basin levels — with the greatest effects being addressed by the higher-level basin. This heterogeneity is observed not only within the basin levels but also across economic sectors, being the agricultural sector significantly more affected by these policies than the residential sector. We conclude our analysis by suggesting that policymakers should tailor compensation measures to the most affected communities. </jats:p>
    Scopus© Citations 1  6
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    Scopus© Citations 2
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    Comanagement of small‐scale fisheries and ecosystem services
    (2019)
    Stefan Gelcich
    ;
    Maria José Martínez‐Harms
    ;
    Sebastián Tapia‐Lewin
    ;
    VÁSQUEZ LAVÍN , FELIPE ANTONIO  
    ;
    Cristina Ruano‐Chamorro
      10Scopus© Citations 65
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    A Conceptual Model Considering Multiple Agents for Water Management
    (2022)
    BENJAMÍN ANTONIO RIVADENEIRA TASSARA
    ;
    VALDÉS GONZÁLEZ, HÉCTOR MOISÉS  
    ;
    Carlos Fúnez-Guerra
    ;
    Lorenzo Reyes-Bozo
    In Chile, as in many other areas of the world, water supplies have been poorly managed and water availability is decreasing. In order to manage water resources more sustainably and equitably, it is necessary to understand and predict their supply and use considering the characteristics of a particular zone. This study aimed to develop a conceptual model for water management in the Libertador Bernardo O’Higgins Region in Chile. The model considers the water needs of industries with production activities, human consumption, and the ecological flow of each sub-basin in the area. The results show that the proposed model contributes to the understanding of the critical variables, their agents, and the interaction between the hydric demands, which enables the prioritization of human consumption and the ecological flow. Furthermore, the cross-analysis between the offer and demand indicates that current and predicted consumption levels will only be sustainable up to the year 2031. The findings may be of use to decision-makers seeking to improve water management plans in this area and elsewhere, and to others interested in modeling water management in different areas.
    Scopus© Citations 4  1
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      1  1Scopus© Citations 54