Functional traits of indigenous and exotic ground-dwelling arthropods show contrasting responses to land-use changes in an oceanic island, Terceira, Azores

Autor: Jorge M. Lobo, Isabel R. Amorim, François Rigal, Pedro Cardoso, Robert J. Whittaker, Paulo A. V. Borges, Kostas A. Triantis
Přispěvatelé: Institut des sciences analytiques et de physico-chimie pour l'environnement et les materiaux ( IPREM ), Université de Pau et des Pays de l'Adour ( UPPA ) -Centre National de la Recherche Scientifique ( CNRS ), Synthesio, University of Coimbra, University of Oxford [Oxford], Financial support was provided by the project 'Consequences of land use change on Azorean fauna and flora—the 2010 Target' (Ref: Direcção Regional da Ciência e Tecnologia M.2.1.2/I/003/2008). FR was supported by FCT project PTDC/BIA-BIC/119255/2010., Institut des sciences analytiques et de physico-chimie pour l'environnement et les materiaux (IPREM), Université de Pau et des Pays de l'Adour (UPPA)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Finnish Museum of Natural History, Zoology
Jazyk: angličtina
Rok vydání: 2018
Předmět:
0106 biological sciences
Biodiversity
DIVERSITY
Introduced species
[SDV.BID]Life Sciences [q-bio]/Biodiversity
Biology
arthropods
MESH : Arthropods
Azores
community assembly
exotic species
functional diversity
indigenous species
010603 evolutionary biology
01 natural sciences
Indigenous
Predation
[ SDV.EE ] Life Sciences [q-bio]/Ecology
environment
MACARONESIAN SPIDERS
RICHNESS
MANAGEMENT
Land use
land-use change and forestry
PREDATORS
MESH: Arthropods
Azores
community assembly
exotic species
functional diversity
indigenous species
Community Assembly
HABITAT
Arthropods
Ecology
Evolution
Behavior and Systematics
1172 Environmental sciences
ComputingMilieux_MISCELLANEOUS
Azores
[SDV.EE]Life Sciences [q-bio]/Ecology
environment
[ SDV.BID ] Life Sciences [q-bio]/Biodiversity
Indigenous Species
Community
Ecology
010604 marine biology & hydrobiology
Functional Diversity
15. Life on land
functional diversity
Habitat
USE INTENSIFICATION
community assembly
BIODIVERSITY
Species richness
AGRICULTURAL LANDSCAPES
COMMUNITY ECOLOGY
indigenous species
exotic species
Exotic Species
Zdroj: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Agência para a Sociedade do Conhecimento (UMIC)-FCT-Sociedade da Informação
instacron:RCAAP
Diversity and Distributions
Diversity and Distributions, Wiley, 2018, 24, pp.36-47. 〈https://onlinelibrary-wiley-com.rproxy.univ-pau.fr/doi/abs/10.1111/ddi.12655〉. 〈10.1111/ddi.12655〉
Diversity and Distributions, Wiley, 2018, 24, pp.36-47. ⟨10.1111/ddi.12655⟩
Rigal, F, Cardoso, P, Lobo, J M, Triantis, K A, Whittaker, R J, Amorim, I R & Borges, P A V 2018, ' Functional traits of indigenous and exotic ground-dwelling arthropods show contrasting responses to land-use change in an oceanic island, Terceira, Azores ', Diversity and Distributions, vol. 24, no. 1, pp. 36-47 . https://doi.org/10.1111/ddi.12655
Digital.CSIC. Repositorio Institucional del CSIC
instname
ISSN: 1366-9516
1472-4642
DOI: 10.1111/ddi.12655〉.
Popis: Aim: Land-use change typically goes hand in hand with the introduction of exotic species, which mingle with indigenous species to form novel assemblages. Here, we compare the functional structure of indigenous and exotic elements of ground-dwelling arthropod assemblages across four land-uses of varying management intensity. Location: Terceira Island (Azores, North Atlantic). Methods: We used pitfall traps to sample arthropods in 36 sites across the four land-uses and collated traits related to dispersal ability, body size and resource use. For both indigenous and exotic species, we examined the impact of land-uses on trait diversity and tested for the existence of non-random assembly processes using null models. We analysed differences in trait composition among land-uses for both indigenous and exotic species with multivariate analyses. We used point–biserial correlations to identity traits significantly correlated with specific land-uses for each element. Results: We recorded 86 indigenous and 116 exotic arthropod species. Under high-intensity land-use, both indigenous and exotic elements showed significant trait clustering. Trait composition strongly shifted across land-uses, with indigenous and exotic species being functionally dissimilar in all land-uses. Large-bodied herbivores dominated exotic elements in low-intensity land-uses, while small-bodied spiders dominated exotic elements in high-intensity land-uses. In contrast, with increasing land-use intensity, indigenous species changed from functionally diverse to being dominated by piercing and cutting herbivores. Main conclusions: Our study revealed two main findings: first, in high-intensity land-uses, trait clustering characterized both indigenous and exotic elements; second, exotic species differed in their functional profile from indigenous species in all land-use types. Overall, our results provide new insights into the functional role of exotic species in a land-use context, suggesting that, in agricultural landscape, exotic species may contribute positively to the maintenance of some ecosystem functions.
Databáze: OpenAIRE
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