Altered fire regimes modify lizard communities in globally endangered Araucaria forests of the southern Andes.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
22 11 2021
22 11 2021
Historique:
received:
15
02
2021
accepted:
01
11
2021
entrez:
23
11
2021
pubmed:
24
11
2021
medline:
2
2
2022
Statut:
epublish
Résumé
Wildfire regimes are being altered in ecosystems worldwide. The density of reptiles responds to fires and changes to habitat structure. Some of the most vulnerable ecosystems to human-increased fire frequency are old-growth Araucaria araucana forests of the southern Andes. We investigated the effects of wildfires on the density and richness of a lizard community in these ecosystems, considering fire frequency and elapsed time since last fire. During the 2018/2019 southern summer season, we conducted 71 distance sampling transects to detect lizards in Araucaria forests of Chile in four fire "treatments": (1) unburned control, (2) long-term recovery, (3) short-term recovery, and (4) burned twice. We detected 713 lizards from 7 species. We found that the density and richness of lizards are impacted by wildfire frequency and time of recovery, mediated by the modification of habitat structure. The lizard community varied from a dominant arboreal species (L. pictus) in unburned and long-recovered stands, to a combination of ground-dwelling species (L. lemniscatus and L. araucaniensis) in areas affected by two fires. Araucaria forests provided key habitat features to forest reptiles after fires, but the persistence of these old-growth forests and associated biodiversity may be threatened given the increase in fire frequency.
Identifiants
pubmed: 34811437
doi: 10.1038/s41598-021-02169-3
pii: 10.1038/s41598-021-02169-3
pmc: PMC8609011
doi:
Types de publication
Comparative Study
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
22709Subventions
Organisme : ANID BECAS/DOCTORADO NACIONAL
ID : 21212206
Organisme : ANID/FONDECYT de Iniciación
ID : 11160932
Organisme : ANID/Apoyo a la Formación de Redes Internacionales entre Centros de Investigación
ID : REDES150047
Organisme : Internationalization Grant Agreement
ID : PUC1566-MINEDUC
Organisme : ANID PIA/BASAL
ID : FB0002
Organisme : ANID/FONDAP
ID : 15110006
Organisme : ANID - Millennium Science Initiative -CESIEP
ID : NCS13_004
Informations de copyright
© 2021. The Author(s).
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