Assessing water quality recovery begins with a global multi-decadal database of inland and coastal ecosystems
Hun-Ren Ökológiai KutatóközpontPeer-Reviewed Publication
The OLIGOTREND project has compiled a comprehensive global database on long-term water quality trends in lakes, rivers and estuaries. Spanning nearly four decades (1986–2023), this publicly available database includes over 30,000 annual records of Chlorophyll-a (a proxy for algal biomass) and nutrient concentrations. These parameters are key indicators of ecosystem health, as excessive nutrients can lead to eutrophication, which primarily is the overgrowth of phytoplankton, harming biodiversity and affecting water use for drinking, fishing, and recreation. Making these long-term trends visible and accessible helps scientists, policymakers, and the public better understand how inland and coastal waters are changing and what interventions are needed to safeguard aquatic ecosystems for future generations.
- Journal
- Earth System Science Data
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- Iberian Association of Ecology (SIBECOL), Horizon 2020 programme of research and innovation of the European Union under the Marie Skłodowska-Curie grant agreement, National Research, Development and Innovation Office, Hungary, János Bolyai Research Scholarship of the Hungarian Academy of Sciences, Grant “Severo Ochoa Centres of Excellence” (CEX2018-000828-S), Postdoctoral fellowships programme Beatriu de Pinós funded by the Secretary of Universities and Research (Government of Catalonia), Project KALORET (PID2021-128778OA-I00), “ERDF A way of making Europe”