Restoring rivers with an integrated approach that combines water safety, nature development and gravel mining remains a challenge. Also for the Grensmaas, the most southern trajectory of the Dutch main river Maas, that crosses the border with Belgium in the south of Limburg. The first plans (“Plan Ooievaar”) were already developed in the 1980s and were highly innovative and controversial, as they were based on the idea of using nature-based solutions combined with social-economic development. Severe floodings in 1993 and 1995 came as a shock and accelerated the process to implement the associated measures. To address the multifunctionality of the river, the Grensmaas consortium was set up by public and private parties (the largest public-private partnership ever formed in the Netherlands) to have an effective, scalable and socially accepted project. However, despite the shared long term vision and the further development of plans during the process it was hard to satisfy all the goals in the long run. While stakeholders agreed on the long-term goal, the path towards that goal remains disputed and depends on the perceived status quo and urgency of the problem. Moreover, internal and external pressures and disturbances like climate change or the economic crisis influenced perception and economic conditions of stakeholders differently. In this research we will identify relevant system-processes connected to the implementation of nature-based solutions through the lens of social-ecological resilience. This knowledge will be used to co-create management plans that effectively improve the long-term resilience of the Dutch main water systems.
"De Grensmaas moet vervolg krijgen" kopte Lan+Water op 23 juni. Riviermanagement is immers nooit klaar, ook niet in de Grensmaas. Afwegingen rondom waterveiligheid, waterhoeveelheid, waterkwaliteit en biodiversiteit blijven discussies teweeg brengen rondom integraal rivier management. Klimaat-cafés bieden een platvorm hiervoor.
Worldwide, rivers face challenges due to human and climatic pressures. Floods, droughts, pollution, damming and hydropeaking are only a few examples of these pressures, and influence the way rivers flow. Climate change adaptation projects increase the incentive to domesticate rivers, often legitimised through expert views on (future) vulnerability and risk. This emerging river imaginary dominates current debates in many rivers in our world. River imaginaries reflect spatially bound hydrosocial territories in which multiple actors on multiple scales from multiples sectors operate to reach varying objectives. They include water flows, ecological systems, climate conditions, hydraulic infrastructure, financial means, institutional arrangements, legal frameworks and information/knowledge hubs. In the context of climate change adaptation, river imaginaries are strongly dependent on the extent to which climate change is expected to influence rivers through a mixture of probable, possible, desirable or preferable versions of a (future) river. As such, knowledge-structures of future making are scrutinised in this research by emphasising on the role of change, the role of futures and the role of experts. This presentation aims to elucidate how river imaginaries have influenced river management under climate change adaptation that resulted in large infrastructural projects. Through a study of the Meuse river, a concrete case of a imaginary came into being in the Dutch-Belgian Border-Meuse trajectory. Moreover, preliminary result from adaptation projects in the marshlands of the lower Magdalena in Colombia strengthen the dominate imaginary of technocratic and ecocentric approaches to climate change adaptation where an expert view on local knowledge dominates.
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