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Climate-driven regime shifts in Arctic marine benthos

Published in Proceedings of the National Academy of Sciences, 2012

Kortsch, S., Primicerio, R., Beuchel, F., Renaud, P. E., Rodrigues, J., Lønne, O. J., & Gulliksen, B. (2012). Climate-driven regime shifts in Arctic marine benthos. Proceedings of the National Academy of Sciences, 109(35), 14052–14057.

Recommended citation: Kortsch, S., Primicerio, R., Beuchel, F., Renaud, P. E., Rodrigues, J., Lønne, O. J., & Gulliksen, B. (2012). Climate-driven regime shifts in Arctic marine benthos. Proceedings of the National Academy of Sciences, 109(35), 14052–14057.
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Climate change alters the structure of arctic marine food webs due to poleward shifts of boreal generalists

Published in Proceedings of Royal Society Biological sciences, 2015

Exploring how food-web robustness depends on network structure and extinction thresholds.

Recommended citation: Kortsch S, Primicerio R, Fossheim M, Dolgov A, Aschan M (2015) Climate change alters the structure of arctic marine food webs due to poleward shifts of boreal generalists." roceedings of Royal Society Biological sciences, 282:20151546.
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Identifying Important Species in Meta-Communities

Published in Methods in Ecology and Evolution, 2024

A framework for identifying ecologically important species across interconnected meta-communities.

Recommended citation: Rollin, G., Kortsch, S., Lages, J., & Gauzens, B. (2024). "Identifying important species in meta-communities." Methods in Ecology and Evolution.
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Temperature variability regulates the interactive effects of warming and pharmaceutical on aquatic ecosystem dynamics

Published in Journal of Theoretical Biology, 2024

Temperature variability modulates the combined effects of climate warming and pharmaceutical-induced behavioural change on aquatic ecosystem dynamics.

Recommended citation: Qian, G., Wu, D., Zhang, L., & Kortsch, S. (2024). Temperature variability regulates the interactive effects of warming and pharmaceutical on aquatic ecosystem dynamics. Journal of Theoretical Biology, 595, 111948.
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Food web robustness depends on the network type and threshold for extinction

Published in Oikos, 2024

Exploring how food-web robustness depends on network structure and extinction thresholds.

Recommended citation: Ståhl, P. P. G., Riikka, P. D., Zhang, L., Nordström, M. C., & Kortsch, S. (2025). "Food web robustness depends on the network type and threshold for extinction." Oikos, e11139.
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Warming simplifies marine ecological networks through losses in trophic and non-trophic interactions

Published in Marine Ecology Progress Series, 2026

Experimental warming reduced community biomass, caused the loss of foundation species and predators, and simplified trophic and non-trophic ecological networks.

Recommended citation: Kraufvelin, L., Pansch, C., Wolf, F., Barboza, F. R., Vajedsamiei, J., Nordström, M. C., & Kortsch S. (2026). Warming simplifies marine ecological networks through losses in trophic and non-trophic interactions. Marine Ecology Progress Series, 782, 1–18. https://doi.org/10.3354/meps15092
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Pollinators support the nutrition and income of vulnerable communities

Published in Nature, 2026

Linking pollinator biodiversity and ecological networks to the nutrition, livelihoods, and economic resilience of vulnerable smallholder communities.

Recommended citation: Timberlake, T. P., Sapkota, S., Saville, N. M., Cirtwill, A. R., Baral, S. C., Bhusal, D. R., Devkota, K., Giri, S., Harris-Fry, H. A., Joshi, D., Kortsch, S., Myers, S. S., Roslin, T., Smith, M. R., & Memmott, J. (2026). “Pollinators support the nutrition and income of vulnerable communities.” Nature, 654, 683–688.
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Food web complexity underlies biodiversity effects on ecosystem functioning

Published in Nature, 2026

Demonstrating how food-web complexity mediates biodiversity effects on ecosystem functioning across marine, freshwater, and soil ecosystems.

Recommended citation: Barnes, A. D., Brose, U., Eisenhauer, N., Berti, E., Brauns, M., Eggert, S. L., Garcia-Callejas, D., Giling, D. P., Hall, R. O., Jr., Hines, J., Jochum, M., Korobushkin, D. I., Kortsch, S., Kratina, P., Manca, M., Mor, J.-R., Nordström, M. C., O’Gorman, E. J., Ott, D., Perkins, D. M., Rosenbaum, B., Saifutdinov, R. A., Saito, V. S., Tanentzap, A. J., Vinagre, C., & Gauzens, B. (2026). "Food web complexity underlies biodiversity effects on ecosystem functioning." Nature. https://doi.org/10.1038/s41586-026-10710-5
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research-projects

Read about ‘Heatwave-driven Rewiring of Food Webs’

We investigate how marine heatwaves reorganise or rewire food webs by altering species interactions, biodiversity, and ecosystem functioning. Combining mesocosm experiments, DNA metabarcoding, ecological network analysis, and ecosystem modelling, we aim to predict how warming reshapes coastal ecosystems.