Spiders from Macaronesia: Cabo Verde

Paulo A. V. Borges; Luís C. Crespo; Fernando Pereira; Jagoba Malumbres-Olarte; Pedro Cardoso

doi:10.15468/p94j28

Spiders from Macaronesia: Cabo Verde

Citation

Borges P A V, Crespo L C, Pereira F, Malumbres-Olarte J, Cardoso P (2024). Spiders from Macaronesia: Cabo Verde. Version 1.10. Universidade dos Açores. Sampling event dataset https://doi.org/10.15468/p94j28 accessed via GBIF.org on 2024-12-14.

Description

The data presented in this study were obtained from samples collected as part of the project "Macaronesian Islands as a testing ground to assess biodiversity drivers at multiple scales" (FCT - MACDIV) (2015-2018). This project aimed at gaining insights into the factors influencing community assembly in Macaronesian islands. To assess spider diversity, we employed the COBRA (Conservation Oriented Biodiversity Rapid Assessment) sampling protocol. Our sampling efforts were conducted in ten 50 m x 50 m dry shrub plots located on the Cabo Verde Islands of Santo Antão (comprising five plots) and São Vicente (comprising five plots). Additional ad-hoc samples are also available. With this publication, we contribute valuable information to the understanding of the arachnofauna of Cabo verde, specifically focusing on the islands of Santo Antão and São Vicente.

Our samples yielded a total of 3,368 specimens, among which 1300 (39%) were adults. The samples include 21 different families, 87 distinct species, 18 of which are morphospecies awaiting formal identification or description at species level. The families Oxyopidae (2 species) and Araneidae (8 species) dominated, comprising 49% of the specimens collected. Among the 68 identified species, 14 were exclusive to Cabo Verde, 40 were native but not exclusive, and 14 were introduced. The colonization status of Cithaeron reimoseri Platnick, 1991 remains uncertain. Endemic species represented 24% (n = 818) of the specimens, while native non-endemic species constituted 63% (n = 2122). A total of 29 species were newly documented in Cabo Verde, with 15 on Santo Antão, 7 on São Vicente, and 7 on both islands.

Sampling Description

Study Extent

Five plots of 50 x 50 m were set up in Santo Antão and São Vicente.

Sampling

To assess spider diversity, we employed the COBRA (Conservation Oriented Biodiversity Rapid Assessment) sampling protocol. Due to the absence of arboreal plant species, foliage beating was not performed. The used methods were pitfall trapping, sweeping and active aerial search. Sweeping was performed during day and night, while active aerial search was only performed during the night periods, when spiders are generally more active. Additional ad-hoc sampling through active aerial search was performed in nearby locations to the sampling plots.

Quality Control

In the laboratory, specimen sorting and spider identification followed standard procedures, using somatic and genitalic features for species identification.

Method steps

A reference collection was made for all collected specimens (whether or not identified at species level) by assigning them a morphospecies code number and depositing them at the Dalberto Teixeira Pombo Insect Collection (DTP), University of Azores (Terceira Island).

Taxonomic Coverages

All spiders (Arachnida, Araneae). The samples include 21 different families.

Araneae
common name: Spiders rank: order

Geographic Coverages

Cabo Verde Islands of Santo Antão and São Vicente.

Bibliographic Citations

Contacts

Paulo A. V. Borges
originator
position: Associate Professor
Centre for Ecology, Evolution and Environmental Changes (cE3c)/Azorean Biodiversity Group, CHANGE – Global Change and Sustainability Institute
School of Agricultural and Environmental Sciences, University of the Azores, Rua Capitão João d´Ávila, Pico da Urze
Angra do Heroísmo
9700-042
Azores
PT
Telephone: +351968933212
email: paulo.av.borges@uac.pt
homepage: https://www.cienciavitae.pt/en/FA1A-C9CB-9C29
userId: https://orcid.org/0000-0002-8448-7623

Luís C. Crespo
originator
position: Researcher
Laboratory for Integrative Biodiversity Research (LIBRe), Finnish Museum of Natural History (LUOMUS), University of Helsinki
Pohjoinen Rautatiekatu 13
Helsinki
00100
FI
email: luiscarloscrespo@gmail.com

Fernando Pereira
originator
position: Researcher
Centre for Ecology, Evolution and Environmental Changes (cE3c)/Azorean Biodiversity Group, CHANGE – Global Change and Sustainability Institute
School of Agricultural and Environmental Sciences, University of the Azores, Rua Capitão João d´Ávila, Pico da Urze
Angra do Heroísmo
9700-042
Azores
PT
email: morcegomaluco@gmail.com

Jagoba Malumbres-Olarte
originator
position: Researcher
Centre for Ecology, Evolution and Environmental Changes (cE3c)/Azorean Biodiversity Group, CHANGE – Global Change and Sustainability Institute
School of Agricultural and Environmental Sciences, University of the Azores, Rua Capitão João d´Ávila, Pico da Urze
Angra do Heroísmo
9700-042
Azores
PT
email: jagoba.malumbres.olarte@gmail.com

Pedro Cardoso
originator
position: Researcher
cE3c—Center for Ecology, Evolution and Environmental Change & CHANGE - Global Change and Sustainability Institute, Faculty of Sciences, University of Lisbon
Edifício C2, Campo Grande
Lisboa
1749-01
PT
email: pmcardoso@ciencias.ulisboa.pt
homepage: https://biodiversityresearch.org/
userId: https://orcid.org/0000-0001-8119-9960

Paulo A. V. Borges
metadata author
position: Associate Professor
Centre for Ecology, Evolution and Environmental Changes (cE3c)/Azorean Biodiversity Group, CHANGE – Global Change and Sustainability Institute
School of Agricultural and Environmental Sciences, University of the Azores, Rua Capitão João d´Ávila, Pico da Urze
Angra do Heroísmo
9700-042
Azores
PT
Telephone: +351968933212
email: paulo.av.borges@uac.pt
homepage: https://www.cienciavitae.pt/en/FA1A-C9CB-9C29
userId: https://orcid.org/0000-0002-8448-7623

Paulo A. V. Borges
content provider
position: Associate Professor
Centre for Ecology, Evolution and Environmental Changes (cE3c)/Azorean Biodiversity Group, CHANGE – Global Change and Sustainability Institute
School of Agricultural and Environmental Sciences, University of the Azores, Rua Capitão João d´Ávila, Pico da Urze
Angra do Heroísmo
9700-042
Azores
PT
Telephone: +351968933212
email: paulo.av.borges@uac.pt
homepage: https://www.cienciavitae.pt/en/FA1A-C9CB-9C29
userId: http://orcid.org/0000-0002-8448-7623

Paulo A. V. Borges
administrative point of contact
position: Associate Professor
Centre for Ecology, Evolution and Environmental Changes (cE3c)/Azorean Biodiversity Group, CHANGE – Global Change and Sustainability Institute
School of Agricultural and Environmental Sciences, University of the Azores, Rua Capitão João d´Ávila, Pico da Urze
Angra do Heroísmo
9700-042
Azores
PT
Telephone: +351968933212
email: paulo.av.borges@uac.pt
homepage: https://www.cienciavitae.pt/en/FA1A-C9CB-9C29
userId: https://orcid.org/0000-0002-8448-7623