Explanipedia

Indicators for ecosystem services and vulnerabilities in the Mediterranean Sea. An initial application Open

Alessandra La Notte, Anna Maria Addamo, Silvia Ferrini, Gaetano Grilli, Luca Polimene , et al. · 2025

Economy and society rely on a healthy marine ecosystem to meet a number of tangible and intangible needs. However, understanding the composition and trends in the exchange between the marine ecosystem and the socio-economic system is key t…

Saltwater inflows and circulation dominantly influence Baltic Sea eutrophication (2010–2021) Open

Ove Pärn, Diego Macías, Luca Polimene, Adolf Stips · 2025

The Baltic Sea’s chronic eutrophication is conventionally attributed to anthropogenic nutrient inputs, but physical processes—such as stratification, saltwater inflows, circulation, and ice cover—play a critical yet understudied role in mo…

The overlooked impacts of freshwater scarcity on oceans as evidenced by the Mediterranean Sea Open

Diego Macías, Berny Bisselink, César Carmona‐Moreno, Jean‐Noël Druon, Olaf Duteil , et al. · 2025

The major role of riverine outflows in shaping the current and future habitats of Harmful Algal Blooms: the case of the North Sea Open

Olaf Duteil, Diego Macías, Adolf Stips, Luca Polimene · 2024

This study investigates the extension of the potential habitat of Harmful Algal Blooms (HABs) in the North Sea using observational data and model experiments under current and future climate scenarios. We assess the combined effects of tem…

Effects of sea ice on Baltic Sea eutrophication Open

Ove Pärn, Olaf Duteil, Elisa García‐Górriz, Nuno Ferreira-Cordeiro, Gennadi Lessin , et al. · 2024

This study investigates the influence of sea ice on eutrophication in the Baltic Sea ecosystem by comparing simulations from 1953 to 2017, with ice and without ice cover. We assessed the impact from ice cover by using eutrophication indica…

Assessing the potential for seaweed cultivation in EU seas through an integrated modelling approach Open

Diego Macías, Jonathan Guillén, Olaf Duteil, Elisa García‐Górriz, Nuno Ferreira-Cordeiro , et al. · 2024

The potential of large-scale seaweed cultivation to contribute to achieving ambitious EU-wide objectives, such as food security, energy independence, carbon neutrality and ecosystems restoration, is widely recognized. However, there is a l…

Best Practices on the Coupling between Biogeochemical and Higher Trophic Level Models Open

Christopher Thoma, Chiara Piroddi, Adolf Stips, Luca Polimene, Natalia Serpetti , et al. · 2024

Effects of Sea Ice on Baltic Sea Eutrophication Open

Ove Pärn, Olaf Duteil, Elisa García‐Górriz, Nuno Ferreira-Cordeiro, Gennadi Lessin , et al. · 2024

Effects of Sea Ice on Baltic Sea Eutrophication Open

Ove Pärn, Olaf Duteil, Elisa García‐Górriz, Nuno Ferreira-Cordeiro, Gennadi Lessin , et al. · 2024

Modelling terrigenous DOC across the north west European Shelf: Fate of riverine input and impact on air-sea CO2 fluxes Open

Helen R. Powley, Luca Polimene, Ricardo Torres, Muchamad Al Azhar, Victoria A. Bell , et al. · 2023

Terrigenous carbon in aquatic systems is increasingly recognised as an important part of the global carbon cycle. Despite this, the fate and distribution of terrigenous dissolved organic carbon (tDOC) in coastal and oceanic systems is poor…

Should we reconsider how to assess eutrophication? Open

Luca Polimene, Ove Pärn, Elisa García‐Górriz, Diego Macías, Adolf Stips , et al. · 2023

Eutrophication in marine waters is traditionally assessed by checking if nutrients, algal biomass and oxygen are below/above a given threshold. However, increased biomass, nutrient concentrations and oxygen demand do not lead to undesirabl…

Correction to: Seasonal measurements of the nitrogenous osmolyte glycine betaine in marine temperate coastal waters Open

Ruth L. Airs, Rachael Beale, Luca Polimene, Yin Chen, Michaela A. Mausz , et al. · 2023

Seasonal measurements of the nitrogenous osmolyte glycine betaine in marine temperate coastal waters Open

Ruth L. Airs, Rachael Beale, Luca Polimene, Yin Chen, Michaela A. Mausz , et al. · 2022

Glycine betaine (GBT) is a nitrogenous osmolyte ubiquitous throughout the marine environment. Despite its widespread occurrence and significance in microbial cycling, knowledge of the seasonality of this compound is lacking. Here, we prese…

Biological lability of terrestrial DOM increases CO2 outgassing across Arctic shelves Open

Luca Polimene, Ricardo Torres, Helen R. Powley, Michael Bedington, Bennet Juhls , et al. · 2022

Arctic shelf seas receive greater quantities of river runoff than any other ocean region and are experiencing increased freshwater loads and associated terrestrial matter inputs since recent decades. Amplified terrestrial permafrost thaw a…

Microbial uptake dynamics of choline and glycine betaine in coastal seawater Open

Michaela A. Mausz, Ruth L. Airs, Joanna L. Dixon, Claire E. Widdicombe, Glen A. Tarran , et al. · 2022

Choline and glycine betaine (GBT) are utilized as osmolytes to counteract osmotic stress, but also constitute important nutrient sources for many marine microbes. Bacterial catabolism of these substrates can then lead to the production of …

‘Boom‐and‐busted’ dynamics of phytoplankton–virus interactions explain the paradox of the plankton Open

Kevin J. Flynn, Aditee Mitra, William H. Wilson, Susan A. Kimmance, Darren R. Clark , et al. · 2022

Summary Rapid virus proliferation can exert a powerful control on phytoplankton host populations, playing a significant role in marine biogeochemistry and ecology. We explore how marine lytic viruses impact phytoplankton succession, affect…

Degrading permafrost river catchments and their impact on Arctic Ocean nearshore processes Open

P. J. Mann, Jens Strauß, Juri Palmtag, Kelsey Dowdy, Olga Ogneva , et al. · 2021

Arctic warming is causing ancient perennially frozen ground (permafrost) to thaw, resulting in ground collapse, and reshaping of landscapes. This threatens Arctic peoples' infrastructure, cultural sites, and land-based natural resources. T…

Modelling the Effects of Traits and Abiotic Factors on Viral Lysis in Phytoplankton Open

Kevin J. Flynn, Susan A. Kimmance, Darren R. Clark, Aditee Mitra, Luca Polimene , et al. · 2021

A mechanistic system dynamics description is developed of the interactions between a single lytic-virus – phytoplankton-host couple. The model has state variables for virus, uninfected and infected host biomass, and describes virus and hos…

Correcting a major error in assessing organic carbon pollution in natural waters Open

Nianzhi Jiao, Jihua Liu, Bethanie R. Edwards, Zongqing Lv, Ruanhong Cai , et al. · 2021

A widely used method is found to overestimate organic pollution in natural waters, and an alternative method is proposed.

Impacts of riverine terrestrial organic matter on the lower trophic levels of an Arctic shelf ecosystem Open

Michael Bedington, Ricardo Torres, Luca Polimene, Philip Wallhead, Bennet Juhls , et al. · 2021

The Arctic ocean receives 11% of the entire global river discharge via several great Arctic rivers that drain vast catchments underlain with carbon-rich permafrost. Arctic marginal shelf seas are therefore heavily influenced by te…

Seasonal methane and carbon dioxide emissions from the coastal nearshore of the Kolyma river, Siberia. Open

Juri Palmtag, Cara C. Manning, Michael Bedington, Matthias Fuchs, Mathias Göckede , et al. · 2021

Arctic rivers deliver ≈11% of global river discharge into the Arctic Ocean, while this ocean represents only ≈1% of the global ocean volume. Ongoing climate warming across the Arctic, and specifically Siberia, …

Molecular insight into DMSP production in temperate shelf sea waters Open

Frances E. Hopkins, Ruth L. Airs, Luca Polimene, Jonathon Todd · 2021

Marine dimethyl sulfide (DMS) emissions are an important source of atmospheric sulfate aerosols which exert a strong influence on climate. The major biological precursor for DMS is dimethylsulfoniopropionate (DMSP), an abundant co…

ERSEM+N-Osmolytes Open

Luca Polimene · 2020

ERSEM: European Regional Seas Ecosystem Model For more information please visit http://ersem.com.

Sensitivity of Modeled CO2 Air–Sea Flux in a Coastal Environment to Surface Temperature Gradients, Surfactants, and Satellite Data Assimilation Open

Ricardo Torres, Yuri Artioli, Vassilis Kitidis, Stefano Ciavatta, M. Ruiz‐Villarreal , et al. · 2020

This work evaluates the sensitivity of CO2 air–sea gas exchange in a coastal site to four different model system configurations of the 1D coupled hydrodynamic–ecosystem model GOTM–ERSEM, towards identifying critical dynamics of relevance w…

Increasing picocyanobacteria success in shelf waters contributes to long‐term food web degradation Open

Katrin Schmidt, Antony J. Birchill, Angus Atkinson, Robert J. W. Brewin, James R. Clark , et al. · 2020

Continental margins are disproportionally important for global primary production, fisheries and CO 2 uptake. However, across the Northeast Atlantic shelves, there has been an ongoing summertime decline of key biota—large diatoms, dinoflag…

Modeling the Seasonality and Controls of Nitrous Oxide Emissions on the Northwest European Continental Shelf Open

Gennadi Lessin, Luca Polimene, Yuri Artioli, Momme Butenschön, Darren R. Clark , et al. · 2020

Estimates of oceanic emissions of nitrous oxide (N 2 O) are surrounded by a considerable degree of uncertainty, particularly regarding the contribution of productive shelf regions, where assessments are based on limited observations. In th…

Modelling the impact of changing riverine permafrost input on an Arctic coastal ecosystem Open

Michael Bedington, Ricardo Torres, Luca Polimene, P. J. Mann, Jens Strauß · 2020

The Arctic ocean receives 11% of the global river discharge and the Arctic rivers drain large permafrost rich catchments. Where these rivers outflow into the marginal shelf seas of the Arctic ocean the terrestrial dissolved organi…

Modelling the Microbial Carbon Pump in a changing ocean: current state and future directions Open

Luca Polimene, Sévrine Sailley, Darren Clark, Susan A. Kimmance · 2020

Circa 624 gigatons of carbon are locked in the ocean as dissolved organic matter (DOM), an amount comparable with the entire CO2 content of the extant atmosphere. This DOM is operationally defined as refract…

Unified concepts for understanding and modelling turnover of dissolved organic matter from freshwaters to the ocean: the UniDOM model Open

Thomas R. Anderson, E.C. Rowe, Luca Polimene, Edward Tipping, Chris Evans , et al. · 2019

The transport of dissolved organic matter (DOM) across the land-ocean-aquatic-continuum (LOAC), from freshwater to the ocean, is an important yet poorly understood component of the global carbon budget. Exploring and quantifying this flux …

Ecoregions in the Mediterranean Sea Through the Reanalysis of Phytoplankton Functional Types and Carbon Fluxes Open

Stefano Ciavatta, Susan Kay, Robert J. W. Brewin, Rachel E. Cox, Annalisa Di Cicco , et al. · 2019

In this work we produced a long‐term reanalysis of the phytoplankton community structure in the Mediterranean Sea and used it to define ecoregions. These were based on the spatial variability of the phytoplankton type fractions and their i…

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