Habitat-specialist owls, but not generalists, are reliable surrogates for taxonomic and functional diversity in Andean temperate forests

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dc.contributor.authorIbarra Eliessetch, José Tomás
dc.contributor.authorMartin, Kathy
dc.date.accessioned2022-11-25T16:25:35Z
dc.date.available2022-11-25T16:25:35Z
dc.date.issued2015
dc.description.abstractConservation practices commonly focus on measures of species diversity that merelyinclude information on species richness (i.e., taxonomic diversity). However, functionaldiversity (range, distribution and density of trait values of species in a community) should be more informative than taxonomic diversity as it measures those aspects of diversity thataffect ecosystem function. Previous work in the northern hemisphere has shown that owlsmay act as surrogates for taxonomic diversity but little is known on their value assurrogates of functional diversity. We assessed the surrogacy reliability of two sympatricowls, Strix rufipes (habitat-specialist) and Glaucidium nana (habitat-generalist), in Andeantemperate forests of southern Chile. During 2011-2013, we conducted 1,145 owl surveys,505 avian point-transects and 505 vegetation surveys across 101 sites comprising a range ofconditions from degraded habitat to structurally complex old-growth forest stands. Wefound that only Strix rufipes was a reliable surrogate for both taxonomic and functionaldiversity measures, including the density of vulnerable avian guilds (e.g., bamboounderstory users and large-tree users) and the degree of habitat-specialization of the aviancommunity. We found that forest-stand structural complexity (sites with dense understoryand availability of large trees) was the underlying mechanism driving the positive relation between forest-specialist owls and biodiversity. Our results show a tight association between habitat-specialist owls and avian functional traits that may be more informativethan species richness to prioritize the conservation of stable, functioning ecosystems
dc.fuente.origenSIPA
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/65787
dc.information.autorucSede regional de villarrica ; Ibarra Eliessetch, José Tomás ; 0000-0002-7705-3974 ; 120091
dc.language.isoen
dc.relation.ispartofNeotropical Ornithological Congress (10° : 2015 ; Manaus, Brasil)
dc.rightsacceso abierto
dc.subjectBirdes_ES
dc.subjectForest Ecologyes_ES
dc.subjectWildlife Conservationes_ES
dc.subjectEnvironmentes_ES
dc.subjectOrnithologyes_ES
dc.subjectWildlife Ecology and Conservationes_ES
dc.subjectRaptors and owlses_ES
dc.titleHabitat-specialist owls, but not generalists, are reliable surrogates for taxonomic and functional diversity in Andean temperate forestses_ES
dc.typecomunicación de congreso
sipa.codpersvinculados120091
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