Connectivity and climate influence diversity–stability relationships across spatial scales in European butterfly metacommunities

Alves, Wagner de F.; de Souza, Leonardo C.; Schweiger, Oliver; di Cavalcanti, Victor R.; Settele, Josef; Wiemers, Martin; Schmucki, Reto ORCID: https://orcid.org/0000-0003-3064-7553; Kuussaari, Mikko; Tzortzakaki, Olga; Pettersson, Lars B.; Fontaine, Benoît; van Swaay, Chris; Stefanescu, Constantí; Maes, Dirk; WallisDeVries, Michiel F.; Gianuca, Andros T.. 2024 Connectivity and climate influence diversity–stability relationships across spatial scales in European butterfly metacommunities. Global Ecology and Biogeography, 33 (10), e13896. 16, pp. https://doi.org/10.1111/geb.13896

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Official URL: http://dx.doi.org/10.1111/geb.13896

Abstract/Summary

•Aim: Anthropogenic-driven biodiversity loss can impact ecosystem stability. However, most studies have only evaluated the diversity–stability relationship at the local scale and we do not fully understand which factors stabilize animal populations and communities across scales. Here, we investigate the role of species dispersal ability, climate, spatial distance and different facets of biodiversity on the stability of butterfly populations and communities across multiple spatial scales. •Location: Primarily Western Europe. •Time Period: 2005–2016. •Major Taxa Studied: Butterflies (Rhopalocera) of Europe. •Methods: We assembled a continent-wide database of European butterflies' abundance and used Structural Equation Modelling to evaluate the direct and indirect effects of multiple stabilizing mechanisms. In parallel, we tested the effect of dispersal ability on the stability at multiple spatial scales, using a butterfly mobility index as an indicator of dispersal capacity. •Results: Regional stability strongly reflected local stability, which in turn was driven by both taxonomic and functional α-diversity. Spatial asynchrony was also important for regional stability and it was driven by both functional β-diversity and metapopulation asynchrony, which in turn increased with spatial distance among communities. We observed a positive effect of temperature on functional α-diversity and on local stability, whereas precipitation negatively influenced local diversity. Finally, spatial asynchrony contributed more to the regional stability of less mobile species compared to highly mobile ones, indicating that both extrinsic and intrinsic determinants of connectivity impact regional stability indirectly. •Main Conclusions: Our results demonstrate the importance of local and regional processes for regional stability. However, the relative contribution of spatial asynchrony and metapopulation asynchrony increases with connectivity loss, especially for less mobile species, indicating that landscape management should be tailored depending on the dispersal capacity of organisms. Both local biodiversity loss and regional biotic homogenization destabilize metacommunities, with potential implications for the reliable provision of ecosystem functions.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	https://doi.org/10.1111/geb.13896
UKCEH and CEH Sections/Science Areas:	Biodiversity (Science Area 2017-)
ISSN:	1466-822X
Additional Keywords:	connectivity, dispersal ability, diversity–stability relationships, regional stability, spatial asynchrony, spatial distance
NORA Subject Terms:	Ecology and Environment Data and Information
Related URLs:	Dataset
Date made live:	05 Aug 2024 14:45 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/537800

Item Type:

Publication - Article

Digital Object Identifier (DOI):

https://doi.org/10.1111/geb.13896

UKCEH and CEH Sections/Science Areas:

Biodiversity (Science Area 2017-)

ISSN:

1466-822X

Additional Keywords:

connectivity, dispersal ability, diversity–stability relationships, regional stability, spatial asynchrony, spatial distance

NORA Subject Terms:

Ecology and Environment
Data and Information