Assessing the effectiveness of marine nature‐based solutions with climate risk assessments

Author:

Bueno‐Pardo Juan1ORCID,Ruiz‐Frau Ana2ORCID,Garcia Clement3ORCID,Ojea Elena1ORCID

Affiliation:

1. Centro de Investigación Mariña (CIM) Universidade de Vigo, Future Oceans Lab Vigo Spain

2. Instituto Mediterráneo de Estudios Avanzados IMEDEA (CSIC‐UIB) Esporles Spain

3. Centre for Environment Fisheries and Aquaculture Science Lowestoft UK

Abstract

AbstractProspective risks from climate change impacts in ocean and coastal systems are urging the implementation of nature‐based solutions (NBS). These are climate‐resilient strategies to maintain biodiversity and the delivery of ecosystem services, contributing to the adaptation of social‐ecological systems and the mitigation of climate‐related impacts. However, the effectiveness of measures like marine restoration or conservation is not exempt from the impacts of climate change, and the degree to which they can sustain biodiversity and ecosystem services remains unknown. Such uncertainty, together with the slow pace of implementation, causes decision‐makers and societies to demand a better understanding of NBS effects. To address this gap, in this study, we use the risk mitigation capacity of marine NBS as a proxy for their effectiveness while providing a toolset for the implementation of the method. The method considers environmental data and relies on expert elicitation, allowing us to go beyond current practice to evaluate the effectiveness of NBS in reducing habitat or species risks under different future socio‐political and climate‐change scenarios. As a result, we present a ready‐to‐use tool, and supporting materials, for the implementation of the Climate Risk Assessment method and an illustrative example considering the application of the NBS “nature‐inclusive harvesting” in two shellfisheries. The method works as a rapid assessment that guarantees comparability across sites and species due to its low data or resource demand, so it can be widely incorporated to adaptation policies across the marine realm.

Funder

Horizon 2020 Framework Programme

Publisher

Wiley

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