Intransitivity in plant-soil feedbacks is rare but is associated with multispecies coexistence.

Autor:	Pajares-Murgó M; Department of Biología Animal, Biología Vegetal y Ecología, Universidad de Jaén, Jaen, Spain.; Institute Interuniversitario de Investigación del Sistema Tierra en Andalucía (IISTA), Granada, Spain., Garrido JL; Department of Microbiología del Suelo y la Planta, Estación Experimental del Zaidín (EEZ), CSIC, Granada, Spain.; Department of Ecología Evolutiva, Estación Biológica de Doñana (EBD), CSIC, Sevilla, Spain., Perea AJ; Department of Biología Animal, Biología Vegetal y Ecología, Universidad de Jaén, Jaen, Spain.; Institute Interuniversitario de Investigación del Sistema Tierra en Andalucía (IISTA), Granada, Spain., López-García Á; Department of Biología Animal, Biología Vegetal y Ecología, Universidad de Jaén, Jaen, Spain.; Institute Interuniversitario de Investigación del Sistema Tierra en Andalucía (IISTA), Granada, Spain.; Department of Microbiología del Suelo y la Planta, Estación Experimental del Zaidín (EEZ), CSIC, Granada, Spain., Bastida JM; Department of Microbiología del Suelo y la Planta, Estación Experimental del Zaidín (EEZ), CSIC, Granada, Spain., Prieto-Rubio J; Department of Microbiología del Suelo y la Planta, Estación Experimental del Zaidín (EEZ), CSIC, Granada, Spain., Lendínez S; Department of Microbiología del Suelo y la Planta, Estación Experimental del Zaidín (EEZ), CSIC, Granada, Spain., Azcón-Aguilar C; Department of Microbiología del Suelo y la Planta, Estación Experimental del Zaidín (EEZ), CSIC, Granada, Spain., Alcántara JM; Department of Biología Animal, Biología Vegetal y Ecología, Universidad de Jaén, Jaen, Spain.; Institute Interuniversitario de Investigación del Sistema Tierra en Andalucía (IISTA), Granada, Spain.
Jazyk:	angličtina
Zdroj:	Ecology letters [Ecol Lett] 2024 Mar; Vol. 27 (3), pp. e14408.
DOI:	10.1111/ele.14408
Abstrakt:	Although plant-soil feedback (PSF) is being recognized as an important driver of plant recruitment, our understanding of its role in species coexistence in natural communities remains limited by the scarcity of experimental studies on multispecies assemblages. Here, we experimentally estimated PSFs affecting seedling recruitment in 10 co-occurring Mediterranean woody species. We estimated weak but significant species-specific feedback. Pairwise PSFs impose similarly strong fitness differences and stabilizing-destabilizing forces, most often impeding species coexistence. Moreover, a model of community dynamics driven exclusively by PSFs suggests that few species would coexist stably, the largest assemblage with no more than six species. Thus, PSFs alone do not suffice to explain coexistence in the studied community. A topological analysis of all subcommunities in the interaction network shows that full intransitivity (with all species involved in an intransitive loop) would be rare but it would lead to species coexistence through either stable or cyclic dynamics. (© 2024 The Authors. Ecology Letters published by John Wiley & Sons Ltd.)
Databáze:	MEDLINE
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