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Systemic analysis of a developing plant community on the island of Surtsey

Urheber*innen

Schrenk,  Hannah
External Organizations;

Magnússon,  Borgþór
External Organizations;

Sigurdsson,  Bjarni D.
External Organizations;

/persons/resource/castell

Graf zu Castell-Rüdenhausen,  Wolfgang
5.0 Geoinformation, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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5011201.pdf
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Zitation

Schrenk, H., Magnússon, B., Sigurdsson, B. D., Graf zu Castell-Rüdenhausen, W. (2022): Systemic analysis of a developing plant community on the island of Surtsey. - Ecology and Society, 27, 1, 35.
https://doi.org/10.5751/ES-12980-270135


Zitierlink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5011201
Zusammenfassung
Based on our recently developed method to quantify Gunderson and Holling's adaptive cycle, we provide a holistic analysis of a vascular plant community on the volcanic island of Surtsey between 2000 and 2018. We identify one complete adaptive cycle during the study period, which reflects the system's transition from a classic pioneer to a grassland community. Our results support the hypothesis that nutrients brought to the island by breeding gulls are the main driver of this development. The study period includes the beginning of a second cycle, which deviates from the pattern described in the metaphor. Indeed, the cycle's exploitation phase is interrupted by a simultaneous decline of all three systemic variables. We can trace this phenomenon back to a severe drought in 2012. Furthermore, the method allows us to establish the systemic role of individual species during the maturation process.