EU network of mesocosms facilities for research on marine and freshwater ecosystems open for global collaboration.

Objective: to strengthen EU network of mesocosm facilities and promote joint research initiatives, capacity building and standardisation.

Extensive Transnational Access to more than 60 different sites or installations at 28 selected leading and highly complementary European mesocosm facilities.

Geographic range from the Arctic to the Mediterranean. Unique infrastructures in catchments from mountains to lowlands; rivers, ponds, lakes, estuaries and the sea.

Freshwater & Marine
Freshwater & Marine
Transnational Access

AQUACOSM-plus Transnational Access to European Aquatic Mesocosm Facilities

Between 2021 and 2023 AQUACOSM-plus will offer >13000 person-days of Transnational Access (TA) to more than 60 different leading and highly complementary European mesocosm facilities located at 28 AQUACOSM-plus partners throughout Europe.

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Effects of consecutive heat waves on the resistance,…

Marine systems are facing an increase in the frequency of extreme events and especially climate change scenarios foreshadow the increase of heat waves in the…

A Brownification experiment in Crete, Greece

In June 2021, an international mesocosm experiment (Codenamed “BrownMed”) took place at the CretaCosmos mesocosm facility of the Hellenic Centre for Marine Research in Crete,…

Long-term lake warming experiment meets short-term heatwave

In the summer of 2021, in a respite from the restrictions of the pandemic, the team at the Aarhus University Lake Warming Mesocosm Experiment (LWME)…

Do you need a low-cost, low-weight, and easily-transportable…

In AQUACOSM-plus, we develop one... Many systems for mooring mesocosms are very rigid, immobile and/or usually very expensive. This limits the capacity to investigate ecological and socio-economical impacts on various aquatic systems on regional to international scales, especially if mesocosm…

Comparative double-mesocosm carbon experiment throughout the sub-arctic winter,…

After the last snow fall, several decimetres of snow now cover the 40 cm thick ice at the northern Baltic Sea mesocosm site. Nine of the new AQUACOSM mesocosm units, developed during the previous AQUACOSM-project and frozen into the ice,…


AQUACOSM aims at training young scientists in rigorous aquatic experimental ecosystem research at relevant scales and to provide a critical link between long-term observational data (i.e. low and high frequency monitoring data from classical and novel observatories) and ecosystem model development and validation.