Project Profile: OA-ME

Evaluation, Mitigation and Adaptation of Impacts of Ocean Acidification to Marine Ecosystems


Principal Investigators: Hajime Kayanne, Ocean Literacy Program, University of Tokyo Ocean Alliance, Japan
Partners: Andreas Andersson, Scripps Institution of Oceanography, University of California San Diego, United States
Tomoko Takeda, Institute for Global Environmental Strategies, Japan
Aline Tribollet, Institut de Recherche pour le Développement, France
Sponsors: National Research Agency, France
Japan Science and Technology Agency, Japan
National Science Foundation, United States


Full Project Title: Evaluation, Mitigation and Adaptation of Impacts of Ocean Acidification to Marine Ecosystems
Full Call Title: Oceans2018


Project Objective: Ocean Acidification (OA) owing to increasing atmospheric CO2 may have profound impacts on marine ecosystems including coral reefs that may lose their fundamental function of reef construction. However, large spatial-temporal variation and technological hurdles of monitoring seawater carbonate chemistry prohibit accurate predictions of OA impacts on coral reefs, and thus, effective mitigation and adaptation strategies. Here, we propose to first establish an innovative methodology for monitoring of OA, replicable across the world. The authors of this proposal are the inventors of the core technology. As a second step, we propose to monitor and model seawater carbonate chemistry (pH-alkalinity) and reef calcification capacity in five sites (Okinawa, Hawaii, Réunion, Mayotte Islands, and Tonga). Other good practices in OA management will be evaluated for cross-learning between the five sites. One example we are aiming to evaluate is seaweed farming to absorb CO2 and promote coral growth. Fisheries in Onna-son village in Okinawa, Japan have been culturing corals and seaweed simultaneously for decades with empirical knowledge that they stimulate mutual growth, but with no knowledge of the underlying mechanism. By providing scientific evidence, this Onna-son model may be of potential interest in other sites.

The final objective of this consortium is to construct a toolbox consisting of tools such as methodology and good practices in science, technology, socio-economic models, climate change adaptation/mitigation, and policy aimed at ameliorating negative impacts of OA in coral reefs.

We aim to maintain close communication with local and national stakeholders as well as international organizations throughout the project. We will conduct outreach, education and training efforts at both local and international events. Data management will be conducted in line with the Belmont Forum Open Data Policy and Principles. Special attention will be paid to the gender dimensions of the project.
Call Objective: This CRA call aims to contribute to the overall challenge of ocean sustainability, using the United Nations Sustainable Development Goal #14 (Conserve and sustainably use the oceans, seas and marine resources for sustainable development) as the overall framework. This call encourages global partnerships of academics and non-academics to address one or more of the following topics: 1) Pathways toward a sustainable and equitable use of oceans, 2) accounting for and minimizing impacts of global change.


Countries: France, Japan, United States of America (USA)


Duration: 48
Call Date: 29 October 2018
Project Award Date: 12 February 2020