13 - 16 September 2022

Lima, Perú.

Universidad Nacional Pedro Ruiz Gallo

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The 5th Symposium on the Ocean in a High-CO2 World is being organized by the Pedro Ruiz Gallo National University in cooperation with the International Atomic Energy Agency (IAEA). This Symposium follows the symposia in Paris in 2004, Monaco in 2008, Monterey in 2012, and Hobart in 2016, which were all key events for the international community of researchers studying ocean acidification and related stressors. The 5th symposia will maintain the traditional focus of the four previous symposia and look at ocean acidification and associated impacts on marine organisms, ecosystems, and biogeochemical cycles. Ocean acidification will be considered in combination with other global changes such as warming and deoxygenation. The Symposium is inter-disciplinary and contributions are expected to detail advances in observations, modelling, field and laboratory studies. Dedicated sessions will emphasize processes and impacts as well as consequences for humans and their potential responses through policy and management.

  The main objective is to achieve a better understanding of the impacts of ocean acidification on different marine ecosystems, as well as on the aquaculture industry; promote the participation of interest groups and the socialization of the problem, mainly the representatives of governments and decision makers, with the aim of adopting a state policy to deal with the acidification of the ocean, in accordance with UNESCO SDG 14 on Life Below Water whose target 14.3 says  “minimize and address the impacts of ocean acidification, including through enhanced scientific cooperation at all levels”The 5th International Symposium will bring together scientists, academics, government representatives, aquaculture entrepreneurs and fish farmers, and students from many countries around the world to present, analyze and evaluate the most relevant results related to ocean acidification and its multiple stress factors, the situation current ocean acidification and various approaches to mitigate, forecast and model capacities, as well as experimentation.



Questions for:


The Organizing Committee: [email protected]

The Scientific Committee: [email protected]

Special Events: [email protected]


COVID-19 virus update

The 5th Symposium on the Ocean in a High CO2 World has been rescheduled to 2022 due to the COVID-19 outbreak. The meeting venue remains the same, and workshops associated with the symposium should also be rescheduled. Abstract submissions will remain open until 24 April 2022. Senior authors of abstracts already submitted will be contacted to provide an opportunity to modify or update the abstract and the type of presentation (oral or poster).


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Type of participation

Key Dates

24 April 2022

Abstract submission deadline

24 April 2022

Application for Travel Support

7 May 2022

Abstract and travel support applicants notified

21 June 2022

Early registration closes

21 August 2022

Registration closes

7 September 2022

On-site registration

Who Should Attend


Government representatives

Policy makers within government








Dear colleagues and friends from all over the world:


We are very happy to have you in Lima, Peru. We will all enjoy the rich history, gastronomy, drinks, music and dances of our wonderful country.

See you soon friends!



Tribute to Dr. Wilmer Carbajal



Perú is an economically stable country and its capital Lima has different districts, being Miraflores and San Isidro, the most modern and peaceful for the development of the event and accommodation. Lima has a 9.5 million inhabitants.





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Maria Angola Hotel & Centro de Convenciones

La Paz avenue N° 610

Miraflores - Lima, Perú






Universidad Nacional Pedro Ruiz Gallo


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 Convention Center


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Sponsors of the 5th International Symposium on the Ocean in a High-CO2 World

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We thank the following organisations for their sponsorship of the symposium.


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