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UNESCO eDNA expedition in Aldabra Atoll (Seychelles): April 2023

Citation

Fleischer-Dogley F, Montano L, Constance A, Latsha J, Suominen S, Provoost P, Gillard E, Douvere F, Appeltans W (2026). UNESCO eDNA expedition in Aldabra Atoll (Seychelles): April 2023. Version 2.2. OBIS Secretariat. Occurrence dataset https://doi.org/10.25607/eveucz accessed via GBIF.org on 2026-06-04.

Description

This dataset contains the eDNA data collected as a part of the UNESCO eDNA expeditions in Marine World Heritage Sites project in 2022-2024. The project was coordinated in collaboration with the Ocean Biodiversity Information System (OBIS) of IOC-UNESCO and the marine programme of the UNESCO World Heritage Center, and funded by the government of Flanders (Kingdom of Belgium). The samples were collected with citizen science eDNA sampling kits, containing a syringe and a filter, and preserved with Longmire's buffer, before sequencing at a central laboratory. Five different biomarkers were analysed, including 12SMifish, Mimammal, Teleo, 16S-Vert and COI markers. The sequences were analysed with the PacMAN pipeline and quality controlled including a validation check by local scientists and site managers as well as compared to existing knowledge on species distributions in OBIS and GBIF. The full sampling protocols and materials are available on the project website (https://www.unesco.org/en/edna-training-materials?hub=66910), and the bioinformatics pipeline is on github (https://github.com/iobis/PacMAN-pipeline). The data can also be explored on the eDNA expeditions dashboard (https://dashboard.ednaexpeditions.org/).

Taxonomic Coverages

Geographic Coverages

global

Bibliographic Citations

Contacts

Frauke Fleischer-Dogley
originator
Seychelles Islands Foundation
Laura Montano
originator
Seychelles Islands Foundation
Annabelle Constance
originator
Seychelles Islands Foundation
Joey Latsha
originator
Seychelles Islands Foundation
Saara Suominen
originator
UNESCO-IOC
Pieter Provoost
originator
UNESCO-IOC
Elle Gillard
originator
UNESCO-WHC
Fanny Douvere
originator
UNESCO-WHC
Ward Appeltans
originator
UNESCO-IOC
Pieter Provoost
metadata author
position: data manager
UNESCO
Pieter Provoost
user
email: p.provoost@unesco.org
Pieter Provoost
administrative point of contact
position: data manager
UNESCO-IOC
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