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A potential role for rare species in ecosystem dynamics
Linköping University, Department of Physics, Chemistry and Biology, Division of Theoretical Biology, Sweden / Swedish University of Agricultural Sciences, Department of Aquatic Resources, Öregrund, Sweden.
Högskolan i Skövde, Institutionen för biovetenskap. Högskolan i Skövde, Forskningscentrum för Systembiologi. Swedish University of Agricultural Sciences, Department of Ecology, Uppsala, Sweden. (Ekologisk modellering, Ecological Modeling)ORCID-id: 0000-0002-5234-9576
University College Dublin, School of Biology & Environmental Science, Ireland / UCD Earth Institute, Belfield, Dublin 4, Ireland.ORCID-id: 0000-0003-1838-0454
Högskolan i Skövde, Institutionen för biovetenskap. Högskolan i Skövde, Forskningscentrum för Systembiologi. (Ekologisk modellering, Ecological Modeling)ORCID-id: 0000-0001-6122-6167
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2019 (engelsk)Inngår i: Scientific Reports, ISSN 2045-2322, E-ISSN 2045-2322, Vol. 9, s. 1-12, artikkel-id 11107Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The ecological importance of common species for many ecosystem processes and functions is unquestionably due to their high a bundance.Yet, the importance of rare species is much less understood. Here we take a theoretical approach, exposing dynamical models of ecological networks to small perturbations, to explore the dynamical importance of rare and common species. We find that both species types contribute to the recovery of communities following generic perturbations (i.e. perturbations affecting all species).Yet, when perturbations are selective (i.e. affects only one species), perturbations to rare species have the most pronounced effect on community stability. We show that this is due to the strong indirect effects induced by perturbations to rare species. Because indirect effects typically set in at longer timescales, our results indicate that the importance of rare species may be easily overlooked and thus underrated. Hence, our study provides a potential ecological motive for the management and protection of rare species.

sted, utgiver, år, opplag, sider
Nature Publishing Group, 2019. Vol. 9, s. 1-12, artikkel-id 11107
Emneord [en]
ecological interactions, interaction strengths, food, diversity, perturbations, extinctions, complexity, stability
HSV kategori
Forskningsprogram
Ekologisk modellering
Identifikatorer
URN: urn:nbn:se:his:diva-17533DOI: 10.1038/s41598-019-47541-6ISI: 000477950800030PubMedID: 31366907Scopus ID: 2-s2.0-85070937056OAI: oai:DiVA.org:his-17533DiVA, id: diva2:1343129
Tilgjengelig fra: 2019-08-15 Laget: 2019-08-15 Sist oppdatert: 2019-12-20bibliografisk kontrollert

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