Pyric herbivory increases soil microbial diversity but has a site-dependent effect on soil mesofauna in the mid-term

San Emeterio Garciandía, Leticia; Baquero, Enrique; Antón Sobejano, Rodrigo; Jordana, Rafael; Múgica Azpilicueta, Leire; Sáez, José L.; Virto Quecedo, Íñigo; Canals Tresserras, Rosa María

Pyric herbivory increases soil microbial diversity but has a site-dependent effect on soil mesofauna in the mid-term

dc.contributor.author	San Emeterio Garciandía, Leticia
dc.contributor.author	Baquero, Enrique
dc.contributor.author	Antón Sobejano, Rodrigo
dc.contributor.author	Jordana, Rafael
dc.contributor.author	Múgica Azpilicueta, Leire
dc.contributor.author	Sáez, José L.
dc.contributor.author	Virto Quecedo, Íñigo
dc.contributor.author	Canals Tresserras, Rosa María
dc.contributor.department	Agronomía, Biotecnología y Alimentación	es_ES
dc.contributor.department	Agronomia, Bioteknologia eta Elikadura	eu
dc.contributor.department	Ciencias	es_ES
dc.contributor.department	Zientziak	eu
dc.contributor.department	Institute on Innovation and Sustainable Development in Food Chain - ISFOOD	en
dc.contributor.funder	Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa	es
dc.date.accessioned	2023-11-07T07:45:30Z
dc.date.available	2023-11-07T07:45:30Z
dc.date.issued	2023
dc.date.updated	2023-11-07T07:36:50Z
dc.description.abstract	Woody plant encroachment threatens grassland biomes at a global scale. Pyric herbivory combines prescribed burnings and targeted grazing to restore open habitats and has proved to be successful in promoting landscape and plant community diversity. However, less is known on the effects of pyric herbivory practices on belowground biodiversity. We evaluated the midterm effect on mesofauna, bacteria and fungi of prescribed burns and targeted horse grazing regimes implemented to restore a grassland encroached by gorse (Ulex gallii Planch.). We hypothesized that 1) low-intensity shrub-to shrub burnings had no effect or had a transient effect of low magnitude on soil microbial diversity, and that 2) targeted horse grazing after burning increased soil mesofauna and microbial diversity in the midterm. We established an experiment in two shrub-encroached grasslands in western Pyrenees with three treatments (no burning and no grazing as control, burning but no grazing, and burning and grazing). We measured soil properties and soil diversity of fungi and bacteria (DNA-metabarcoding) just after fire, and vegetation structure, soil properties and soil diversity of fungi, bacteria and mesofauna after two periods of targeted grazing (a year and a half after the burning). The response to pyric herbivory differed among soil organisms. Fungi were more sensitive to burning than bacteria, but both recovered a year and a half after burning –fungi only recovered in the presence of grazing–. Grazing increased soil fungi and bacteria diversity indexes (~20 % and ~5 % increase, respectively) at the two sites. A year and a half after burning, burned and ungrazed areas had a 30 % more mesofauna diversity than control areas whereas grazing of the burned areas decreased mesofauna diversity by 30 % at one of the sites compared to the control. Since the responses to pyric herbivory vary among soil organisms, a wide range of management intensities across space and time are recommended for maximizing soil biodiversity.	en
dc.description.sponsorship	This work was supported by the European Regional Development Fund through the Interreg Sudoe Programme [grant number SOE2/P5/E0804 ] and the Spanish Ministry of Science [grant number PID2020-116786RB-C31 ]. Open access funding provided by Universidad Pública de Navarra.	en
dc.format.mimetype	application/pdf	en
dc.format.mimetype	application/msword	en
dc.identifier.citation	San Emeterio, L., Baquero, E., Antón, R., Jordana, R., Múgica, L., Sáez, J. L., Virto, I., & Canals, R. M. (2023). Pyric herbivory increases soil microbial diversity but has a site-dependent effect on soil mesofauna in the mid-term. Agriculture, Ecosystems & Environment, 356, 108632. https://doi.org/10.1016/j.agee.2023.108632	en
dc.identifier.doi	10.1016/j.agee.2023.108632
dc.identifier.issn	0167-8809
dc.identifier.uri	https://academica-e.unavarra.es/handle/2454/46700
dc.language.iso	eng	en
dc.publisher	Elsevier	en
dc.relation.ispartof	Agriculture, Ecosystems and Environment 356 (2023) 108632	en
dc.relation.projectID	info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-116786RB-C31/ES/
dc.relation.publisherversion	https://doi.org/10.1016/j.agee.2023.108632
dc.rights	© 2023 The Author(s). This is an open access article under the CC BY license.	en
dc.rights.accessRights	info:eu-repo/semantics/openAccess
dc.rights.uri	https://creativecommons.org/licenses/by/4.0/
dc.subject	DNA metabarcoding	en
dc.subject	Horse targeted grazing	en
dc.subject	Prescribed burnings	en
dc.subject	Soil compaction	en
dc.subject	Temperate mountain grasslands	en
dc.title	Pyric herbivory increases soil microbial diversity but has a site-dependent effect on soil mesofauna in the mid-term	en
dc.type	info:eu-repo/semantics/article
dc.type.version	info:eu-repo/semantics/publishedVersion
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