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Stability in the face of global decline: a 20-year study of arthropods in an oceanic archipelago

2026-06-17Artigo de investigação Acesso aberto
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datacite.subject.fosCiências Naturais::Ciências Biológicas
datacite.subject.sdg15:Proteger a Vida Terrestre
dc.contributor.authorPozsgai, Gabor
dc.contributor.authorCardoso, Pedro
dc.contributor.authorFattorini, Simone
dc.contributor.authorRigal, François
dc.contributor.authorCoelho dos Santos, Ana Margarida
dc.contributor.authorWhittaker, Robert
dc.contributor.authorAmorim do Rosário, Isabel
dc.contributor.authorCanelas Boieiro, Mário Rui
dc.contributor.authorBorda-de-Água, Luís
dc.contributor.authorCosta, Ricardo
dc.contributor.authorCrespo, Luís Carlos
dc.contributor.authorHenriques Alves Ferreira, Maria Teresa
dc.contributor.authorLeite, Abrão
dc.contributor.authorLhoumeau, Sébastien Georges André
dc.contributor.authorMalumbres-Olarte, Jagoba
dc.contributor.authorMatthews, Thomas
dc.contributor.authorDrumonde Melo, Catarina Alexandra
dc.contributor.authorOyarzabal da Silva, Guilherme
dc.contributor.authorPereira, Fernando
dc.contributor.authorQuartau, José
dc.contributor.authorRego, Carla
dc.contributor.authorRibeiro, Sérvio
dc.contributor.authorRos Prieto, Alejandra
dc.contributor.authorSerrano, Artur
dc.contributor.authorTriantis, Kostas
dc.contributor.authorGabriel, Rosalina
dc.contributor.authorBorges, P.A.V.
dc.date.accessioned2026-09-16T10:46:25Z
dc.date.available2026-09-16T10:46:25Z
dc.date.issued2026-06-17
dc.description.abstractABSTRACT: Insect declines are of global concern, yet no long-term ecological studies (LTER) have confirmed this trend on islands. This study utilises the first available LTER data on island arthropods, targeting epigeal and canopy species from the Azores Archipelago (Portugal), and covering over 20 years in three distinct sampling events from 30 standard sites. We investigate changes in abundance, biomass, and species richness within native forest arthropod communities, focusing on the proportions of endemic and introduced species, and temporal patterns among single-island endemics and forest-dependent endemics. Results reveal significant temporal variability, but overall abundance, biomass, and species richness remain stable across endemic and native non-endemic taxa. Among the species studied, 28% declined, 17% increased, and 55% showed no significant differences. Exotic invasions and related extinctions appear minimal. Forest-dependent endemic species declined below anticipated levels, suggesting that the extinction debt for these species may be less severe than initially expected. Nonetheless, some forest specialists have declined significantly, and seven species, not seen over 20 years, are considered to be extinct. The three-decade-long conservation of Azorean native forests may have contributed to the stability of some populations, thus these findings underscore the need for continued and enhanced conservation efforts of insular forest-associated diversity.eng
dc.identifier.citationPozsgai, G., Cardoso, P., Fattorini, S., Rigal, F., Santos, A. M. C., Whittaker, R. J., Amorim, I. R., Boieiro, M., Borda-de-Água, L., Costa, R., Crespo, L. C., Ferreira, M. T., Leite, A., Lhoumeau, S., Malumbres-Olarte, J., Matthews, T. J., Melo, C., Oyarzabal, G., Pereira, F., Quartau, J. A., Rego, C., Ribeiro, S., Ros-Prieto, A., Serrano, A. R. M., Triantis, K. A., Gabriel, R. & Borges, P. A. V. (2026). Stability in the face of global decline: A 20-year study of arthropods in an oceanic archipelago. Scientific Reports, 16, 27703. DOI: 10.1038/s41598-026-57146-5
dc.identifier.doi10.1038/s41598-026-57146-5
dc.identifier.eissn2045-2322
dc.identifier.urihttp://hdl.handle.net/10400.3/9044
dc.language.isoeng
dc.peerreviewedyes
dc.publisherNature Portfolio
dc.relationAzorean Direcção Regional dos Recursos Florestais (Azorean Government / project 17.01-080203) - BALA 1
dc.relationFCT- project PTDC/BIA-BEC/100182/2008 – “Predicting extinctions on islands: a multi-scale assessment” - BALA 2
dc.relation(FCT) - MACRISK-Trait-based prediction of extinction risk and invasiveness for Northern Macaronesian arthropods (FCT-PTDC/BIA-CBI/0625/2021)
dc.relationFCT - Fundação para a Ciência e a Tecnologia in the frame of the projects FCT-UIDB/00329/2020–2024
dc.relationProject LIFE BEETLES (LIFE 18NAT/PT/000864) in BALA 3
dc.relationData curation and open Access - project MACRISK-Trait-based prediction of extinction risk and invasiveness for Northern Macaronesian arthropods (FCT-PTDC/BIA-CBI/0625/2021)
dc.relationproject FCT-UIDP/00329/2020
dc.relationproject FCT - PTDC/BIA-CBI/0625/2021
dc.relationPh.D. project M3.1.a/F/012/2022
dc.relationPh.D. project in the frame of the project FCT-UIDB/00329/2020–2024
dc.relationProject LIFE BEETLES (LIFE 18NAT/PT/000864)
dc.relationSpanish Ramón y Cajal fellowship RYC2020-029407-I - MICIN/ AEI/10.13039/501100011033
dc.relation“ESF Investing in your future”. I.R.A. and M.B. were funded by Portuguese funds through FCT – Fundação para a Ciência e a Tecnologia, I.P., under the Norma Transitória – https://doi.org/10.54499/DL57/2016/CP1375/CT0003 and DL57/2016/CP1375//CT0001
dc.relationSPR Research Grant (CNPq-306572-2019-2)
dc.relationproject Azores DRCT Pluriannual Funding (M1.1.A/FUNC.UI&D/010/2021–2024)
dc.relationFCT - Fundação para a Ciência e Tecnologia in the frame of the projects FCT-UIDB/00329/2020–2024 https://doi.org/10.54499/UIDB/00329/2020
dc.relationproject FCT-UID/00329/2025 - Centre for Ecology, Evolution and Environmental Changes (CE3C) DOI https://doi.org/10.54499/UID/00329/2025
dc.relation.hasversionhttps://www.nature.com/articles/s41598-026-57146-5
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/
dc.titleStability in the face of global decline: a 20-year study of arthropods in an oceanic archipelagoeng
dc.typeresearch article
dcterms.referenceshttps://doi.org/10.15468/rpdkx9
dspace.entity.typePublication
oaire.citation.startPage27703
oaire.citation.titleScientific Reports
oaire.citation.volume16
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
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