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Light and shade of citizen science for less charismatic invertebrate groups: quality assessment of iNaturalist nonmarine mollusc observations in central Italy
Barbato, D.; Benocci, A.; Guasconi, M.; Manganelli, G. (2021). Light and shade of citizen science for less charismatic invertebrate groups: quality assessment of iNaturalist nonmarine mollusc observations in central Italy. J. Moll. Stud. 87(4): eyab033. https://dx.doi.org/10.1093/mollus/eyab033
In: Journal of Molluscan Studies. Oxford University Press: Reading. ISSN 0260-1230; e-ISSN 1464-3766
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| Auteurs | | Top |
- Barbato, D.
- Benocci, A.
- Guasconi, M.
- Manganelli, G.
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| Abstract |
Citizen science has grown in importance in recent years: many projects have been launched and records are being collected on an unprecedented scale. However, certain less charismatic invertebrate groups are still underreported and the accuracy and quality of their records in crowd-sourced citizen-science projects have rarely been investigated. Here, we used expert review to conduct quality control of nonmarine mollusc observations from central Italy on the online citizen-science platform iNaturalist (https://www.inaturalist.org/). As of December 2019, c. 400 observations of nonmarine molluscs had been reported from Tuscany on iNaturalist. Most records (59.4%) were identified to species level by the iNaturalist community and included a total of 90 taxa, providing interesting new chorological data of certain entities. Although identification of more than half the observations uploaded by the community was confirmed by expert malacologists, some major issues emerged: low quality of photographic vouchers; bias in favour of a few large common species; poor taxonomic knowledge producing incorrect identifications; and difficulty of identifying many taxa without anatomical study. Expert review remains an essential tool for verification and improvement of data quality in citizen-science projects. In this regard, information on the main diagnostic characters of the more common species (e.g. certain medium–large-sized snails and slugs) as well as tips on how to take good quality photographic images could be provided to volunteers in the form of simple guides and tutorials. High-quality training resources to support recorders and regular feedback and teamwork between scientists and citizens could prevent unverified or inaccurate records from impairing the accuracy of citizen-science datasets and offer a real opportunity to discover and conserve less charismatic taxa. |
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