CoastClim publishes papers that explore the links between marine coastal biodiversity, carbon sequestration and atmospheric feedbacks in our changing world. The publications thus span the topics of carbon and nutrient cycling in coastal habitats, benthic and pelagic biodiversity, greenhouse gas dynamics and aerosol formation. Please find links to the peer-reviewed articles, as well as, policy briefs and fact sheets below.
2026
Evidence for cable bacteria inhabiting deep in anoxic sediment reveals a novel ecological niche
Alexis Fonseca, Martijn Hermans, Francisco J.A. Nascimento, Christian Stranne, Alf Norkko, Bo G. Gustafsson, Christoph Humborg
Environmental Microbiome (2026)
Alexis Fonseca, Martijn Hermans, Francisco J.A. Nascimento, Christian Stranne, Alf Norkko, Bo G. Gustafsson, Christoph Humborg
Environmental Microbiome (2026)
Biotic carbon stocks across trophic levels in the shallow littoral zone – the role of biodiversity and environmental drivers
Janina Pykäri, Henri Sumelius, Victoria Ollus, Håkan Wennhage, Alf Norkko, Anna Villnäs
Marine Environmental Research (2026)
Janina Pykäri, Henri Sumelius, Victoria Ollus, Håkan Wennhage, Alf Norkko, Anna Villnäs
Marine Environmental Research (2026)
Spatial variability of greenhouse gas concentrations and fluxes in shallow coastal bays of the western Baltic Sea
Julika Zinke, Joakim P. Hansen, Martijn Hermans, Alexis Fonseca, Sofia A. Wikström, Linda Kumblad, Emil Rydin, Marc GEibel, Matthew E. Salter, Christoph Humborg
Biogeosciences (2026)
Julika Zinke, Joakim P. Hansen, Martijn Hermans, Alexis Fonseca, Sofia A. Wikström, Linda Kumblad, Emil Rydin, Marc GEibel, Matthew E. Salter, Christoph Humborg
Biogeosciences (2026)
Spatial heterogeneity of GHG dynamics across an estuarine ecosystem
Nicolas-Xavier Geilfus, Bruno Delille, Anna Villnäs, Alf Norkko
Biogeosciences (2026)
Nicolas-Xavier Geilfus, Bruno Delille, Anna Villnäs, Alf Norkko
Biogeosciences (2026)
Long-term monitoring reveals biomass loss and concurrent dominance changes in coastal zooplankton community
Tjardo Stoffers, Louise Forsblom, Aleksandra M. Lewandowska, Maiju Lehtiniemi
Ecography (2026)
Tjardo Stoffers, Louise Forsblom, Aleksandra M. Lewandowska, Maiju Lehtiniemi
Ecography (2026)
Measurement report: New particle formation and aerosol properties at a newly founded atmospheric observatory at the Finnish Baltic Sea coast
Maija Peltola, Roseline Thakur, Kurt Spence, Janne Lampilahti, Ronja Mäkelä, Sasu Karttunen, Ekaterina Ezhova, Sami Haapanala, Aki Vähä, Juha Kangasluoma, Tommy Chan, Pauli Paasonen, Joanna Norkko, Alf Norkko, Markku Kulmala, Mikael EhnAtmospheric Chemistry and Physics (2026)
Maija Peltola, Roseline Thakur, Kurt Spence, Janne Lampilahti, Ronja Mäkelä, Sasu Karttunen, Ekaterina Ezhova, Sami Haapanala, Aki Vähä, Juha Kangasluoma, Tommy Chan, Pauli Paasonen, Joanna Norkko, Alf Norkko, Markku Kulmala, Mikael EhnAtmospheric Chemistry and Physics (2026)
Carbon storage in coastal reed ecosystems
Margaret F. Williamson, Tom Jilbert, Alf Norkko, Camilla Gustafsson
Biogeosciences (2026)
2025
Carbon cycling across coastal soft sediments: the contribution of macrofaunal communities to seafloor respiration Eva K. Rohlfer, Anna Villnäs, Camilla Gustafsson, Johanna Gammal, Laura Kauppi, Karl Attard, Joanna Norkko, Alf Norkko Marine Environmental Research (2025)
Impact of mussel farming on CO2, CH4 and N2O emissions in a coastal area L. Loraine Ropella, Nick R. Törpel, Henry L.S. Cheung, Tobia Politi, Märta Brunberg, Isaac R. Santos, Christoph Humborg, Francisco J.A. Nascimento, Stefan Bonaglia Environmental Research (2025)
Microbial hydrocarbon degradation potential of the Baltic Sea ecosystem Joeselle M. Serrana, Benoît Dessirier, Francisco J.A. Nascimento, Elias Broman, Malte Posselt Microbiome (2025)
Synergistic effects of the antibiotic ciprofloxacin and a simulated heatwave on the Baltic Sea dinoflagellate Apocalathium malmogiense Sabrina K. Roth, Catharina Uth, Iris Orizar, Andreu Rico, Per Hedberg, Alf Norkko, Aleksandra Lewandowska Marine Environmental Research (2025)
Salinity, nutrients and physical disturbances affect the communities of the most abundant benthic diatom genera in the coastal Baltic Sea and rock pools Leena Virta, Anette Teittinen Nova Hedwigia (2025)
Long-term euxinia restricts microbial methane removal in eutrophic coastal basins Jessica Venetz, Nicky Dotsios, Olga M. Żygadłowska, Wytze K. Lenstra, Niels A.G.M van Helmond, Christoph Humborg, Katherine D. McMahon, Dina in ’t Zandt, Caroline P. Slomp, Mike S. M. Jetten, Annelies J. Veraart Environmental Science & Technology (2025)
Benthic assemblage responses to different sources of macrophyte detritus using contrasting methodological approaches Iván Franco Rodil, Roxana Preston, Tuomas I. Kahma, Camilla Gustafsson, Alf Norkko Marine Biology (2025)
Macrophyte–epifauna associations form structured ecological networks in the Baltic Sea Federica Manca, Alf Norkko, Mar Cabeza, John Llewelyn, Sandra Hervías-Parejo, Giovanni Strona Marine Ecology Progress Series (2025)
Coastal-SMEAR – introduction to infrastructure and capacity of the atmospheric observatory in Tvärminne, Finland Roseline C. Thakur, Maija Peltola, Kurt Spence, Aki Vähä, Sami Haapanala, Piaopiao Ke, Ekaterina Ezhova, Heidi Hellén, Nicolas-Xavier Geilfus, Tommy Chan, Joanna Norkko, Ivan Mammarella, Mikael Ehn, Alf Norkko, Markku Kulmala Boreal Environment Research (2025)
Shoreline wave breaking strongly enhances the coastal sea spray aerosol population: Climate and air quality implications Shengqian Zhou, Matthew Salter, Timothy Bertram, Eduardo Brito Azevedo, Francisco Reis, Jian Wang Science Advances (2025)
Node taxonomic resolution affects the robustness of marine macrophyte-epifauna networks Federica Manca, Alf Norkko, Giovanni Strona Ecological Indicators (2025)
Intraspecific trait variability is a key feature underlying the association between community-weighted mean and abiotic gradients Roel Lammerant, Jenna Hölttä, Janina Pykäri, Nishant Nishant, Anna Villnäs, Sofia A. Wikström, Alf Norkko, Camilla Gustafsson Oikos (2025)
Effects of phytoplankton species distribution on particulate organic carbon dynamics along a coastal gradient Catharina Uth, Joris Wiethase, Tjardo Stoffers, Eero Asmala, Aleksandra M. Lewandowska Ecography (2025)
A path towards appropriate degradation experiments for assessing carbon sequestration potential of macroalgae Lydia White & Alf Norkko Journal of Ecology (2025)
Environmental gradients strongly affect functional composition and biomass C stocks within aquatic plant meadows Roel Lammerant, Jenna Hölttä, Janina Pykäri, Nishant Nishant, Anna Villnäs, Sofia A. Wikström, Alf Norkko, Camilla Gustafsson Ecosphere (2025)
Influence of landscape characteristics and submerged aquatic vegetation on sediment carbon and nitrogen storage in shallow brackish water habitats Sofia A. Wikström, Betty Gubri, Maria Asplund, Martin Dahl, Martin Gullström, Joakim Hansen, Linda Kumblad, Emil Rydin, Andrius Garbaras, Mats Björk Scientific Reports (2025)
Functional traits are moderate predictors of above- and below-ground biomass in multispecies seagrass habitats Camilla Gustafsson, Renae Hovey, Ylva Olsen, John Statton, Gary Kendrick Functional Ecology (2025)
Marine heatwaves amplify benthic community metabolism and solute flux in a seafloor heating experiment Norman Göbeler, Laura Kauppi, Alf Norkko, Joanna Norkko Functional Ecology (2025)
Seasonal variation in the role of benthic macrofauna communities for ecosystem functioning in shallow coastal soft-sediment habitats Johanna Gammal, Marie Järnström, Joanna Norkko, Erik Bonsdorff, Alf Norkko Estuaries and Coasts (2025)
The role of lag phases between real-term marine heatwaves in the trait responses of two macrophyte species Lucy G Gillis, Salvador Román, Camilla Gustafsson, Laura Kauppi, Carmen B de los Santos, Zulema Varela, Inés G Viana Marine Environmental Research (2025)
2024
Phytoplankton community composition as a driver of annual autochthonous organic carbon dynamics in the northern coastal Baltic Sea Catharina Uth, Eero Asmala, Aleksandra Lewandowska Marine Ecology Progress Series (2024)
Ebullition dominates methane emissions in stratified coastal waters Martijn Hermans, Christian Stranne, Elias Broman, Alexander Sokolov, Florian Roth, Francisco Nascimento, Carl-Magnus Mörth, Sophie ten Hietbrink, Xiaole Sun, Erik Gustafsson, Bo Gustafsson, Alf Norkko, Tom Jilbert, Christoph Humborg Science of the Total Environment (2024)
Projected loss of brown macroalgae and seagrasses with global environmental change Federica Manca, Lisandro Benedetti-Cecchi, Corey Bradshaw, Mar Cabeza, Camilla Gustafsson, Alf Norkko, Tomas Roslin, David Thomas, Lydia White, Giovanni Strona Nature Communications (2024)
Eutrophication and deoxygenation drive high methane emissions from a brackish coastal system Olga Żygadłowska, Florian Roth, Niels van Helmond, Wytze Lenstra, Jessica Venetz, Nicky Dotsios, Thomas Röckmann, Annelies Veraart, Christian Stranne, Christoph Humborg, Mike Jetten, Caroline Slomp Environmental Science & Technology (2024)
Warming drives phenological changes in coastal zooplankton Louise Forsblom, Tjardo Stoffers, Andreas Lindén, Maiju Lehtiniemi, Jonna Engström-Öst Marine Biology (2024)
Biotic interactions between benthic infauna and aerobic methanotrophs mediate methane fluxes from coastal sediments Elias Broman, Markus Olsson, Adele Maciute, Daniel Donald, Christoph Humborg, Alf Norkko, Tom Jilbert, Stefano Bonaglia, Francisco Nascimento The ISME Journal (2024)
Methane dynamics in the Baltic Sea: investigating concentration, flux and isotopic composition patterns using the coupled physical-biogeochemical model BALTSEM-CH4 v1.0 Erik Gustafsson, Bo Gustafsson, Martijn Hermans, Christoph Humborg, Christian Stranne Geoscientific Model Development (2024)
Seasonality strongly affects short-term C-storage in coastal macrophyte communities Roel Lammerant, Eva Rohlfer, Alf Norkko, Camilla Gustafsson Limnology & Oceanography (2024)
Salty, brackish, or fresh – saltiness matters for aquatic species Leena Virta, Alf Norkko, Anna Villnäs Frontiers for Young Minds (2024)
Declining salinity and increasing temperature reduce the diversity and resilience of benthic diatoms Leena Virta & Per Hedberg Environmental Microbiology (2024)
Linking resource quality and biodiversity to benthic ecosystem functions across a land-to-sea gradient Saara Mäkelin, Aleksandra Lewandowska, Iván Rodil, Agnes Karlson, Christoph Humborg, Anna Villnäs Ecosystems (2024)
A functional perspective on the factors underpinning biomass-bound carbon stocks in coastal macrophyte communities Roel Lammerant, Alf Norkko, Camilla Gustafsson Marine Environmental Research 193: 106289 (2024)
2023
HOTFLOOR: A benthic chamber system to simulate warming of the seafloor Norman Göbeler, Laura Kauppi, Robin Gottberg, Göran Lundberg, Alf Norkko, Joanna Norkko Limnology & Oceanography Methods (2023)
The development of fish stocks and fisheries in the Baltic Sea since the last glaciation Henrik Svedäng Oxford Research Encyclopedia of Climate Science (2023)
Flammable ice of profit and doom Brett F. Thornton & Christian Stranne Nature Chemistry 15: 294-294 (2023)
Changes in macrofauna bioturbation during repeated heatwaves mediate changes in biogeochemical cycling of nutrients Laura Kauppi, Norman Göbeler, Joanna Norkko, Alf Norkko, Alicia Romero-Ramirez, Guillaume Bernard Frontiers in Marine Science 9: 1-13 (2023)
Fucoid brown algae inject fucoidan carbon into the ocean Hagen Buck-Wiese, Mona A. Andeskog, Nguyen P. Nguyen, Margot Bligh, Eero Asmala, Silvia Vidal-Melgosa, Manuel Liebeke, Camilla Gustafsson, Jan-Hendrik Hehemann Proceedings of the National Academy of Sciences 120: 1-8 (2023)
Methane emissions offset atmospheric carbon dioxide uptake in coastal macroalgae, mixed vegetation and sediment ecosystems
Florian Roth, Elias Broman, Xiaole Sun, Stefano Bonaglia, Francisco Nasciamento, John Prytherch, Volker Brüchert, Maysoon Lundevall Zara, Märta Brunberg, Marc C. Geibel, Christoph Humborg, Alf Norkko Nature Communications 14:1-11 (2023)
Policy Brief Reducing eutrophication crucial to prevent coastal methane emissions
Erik Gustafsson & Christoph Humborg
Opinion Piece Time to highlight the ocean’s role for climate mitigation
Christoph Humborg, Alf Norkko, Gustaf Hugelius
2022
An evaluation of new particle formation events in Helsinki during a Baltic Sea cyanobacterial summer bloom
Roseline C. Thakur, Lubna Dada, Lisa J. Beck, Lauriane L. J. Quéléver, Tommy Chan, Marjan Marbouti, Xu-Cheng He, Carlton Xavier, Juha Sulo, Janne Lampilahti, Markus Lampimäki, Yee Jun Tham, Nina Sarnela, Katrianne Lehtipalo, Alf Norkko, Markku Kulmala, Mikko Sipilä, Tuija Jokinen Atmospheric Chemistry and Physics 22: 6365-6391 (2022)
Ninety years of coastal monitoring reveals baseline and extreme ocean temperatures are increasing off the Finnish coast
Norman Goebeler, Alf Norkko, Joanna Norkko Communications Earth & Environment 3: 1-11 (2022)
High spatiotemporal variability of methane concentrations challenges estimates of emissions across vegetated coastal ecosystems
Florian Roth, Xiaole Sun, Marc C. Geibel John Prytherch, Volker Brüchert, Stefano Bonaglia, Elias Broman, Francisco Nasciamento, Alf Norkko, Christoph Humborg Global Change Biology 28: 4308-4322 (2022)
Anaerobic oxidation has a minor effect on mitigating seafloor methane emissions from gas hydrate dissociation
Christian Stranne, Matt O’Regan, Wei-Li Hong, Volker Brüchert, Marcelo Ketzer, Brett F. Thornton, Martin Jakobsson Communications Earth & Environment 3: 1-10 (2022)
2021
Policy Brief Healthy coastal ecosystems are crucial to mitigate climate change
Florian Roth & Camilla Gustafsson
