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Article: Imprimé

How vulnerable are bryophytes to climate change? Developing new species and community vulnerability indices / Helena Hespanhol in Ecological indicators, 136 (March 2022)

Article (2022)

[article]
inEcological indicators > 136 (March 2022) . - 1-13

Titre :	How vulnerable are bryophytes to climate change? Developing new species and community vulnerability indices
Type de document :	Imprimé
Auteurs :	Helena Hespanhol ; Katia Cezón ; Jesús Muñoz ; Ruben G. Mateo ; João Gonçalves
Année de publication :	2022
Article en page(s) :	1-13
Langues :	Français (fre)
Catégories :	[CBNPMP-Thématique] Bryophytes [CBNPMP-Thématique] Relations climat-végétation
Résumé :	Species’ vulnerability to climate change is often assessed by focusing on potential changes of species’ ranges. This study aimed to develop community-level vulnerability indices which measure bryophyte community vulnerability to climate change, based on the best set of factors summarizing species' niche or geographic properties expected to respond to climate change. We used a dataset on 39 saxicolous bryophytes from the Iberian Peninsula, highly sensitive to climate shifts. Niche metrics were calculated using a recently described hypervolume-based approach. Spatial metrics were derived from habitat suitability model (HSM) projections. We then compared regression models based on niche or spatial metrics to evaluate which ones improve species range shifts forecast. The final vulnerability score for each species, the Species Vulnerability Index (SVI), was calculated by applying a weighted sum of all the relevant parameters. We then generated a spatial representation of vulnerability values for the whole community through HSMs and obtained three Community Vulnerability Indices (CVIs), according to different statistical aggregation measures (average, maximum and standard deviation).
Lien pérenne :	DOI : 10.1016/j.ecolind.2022.108643
Permalink :	https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=147420

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