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Alarming decline of freshwater trigger species in western Mediterranean key biodiversity areas

2021Journal article Open access
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dc.contributor.authorNogueira, Joana Garrido
dc.contributor.authorSousa, Ronaldo
dc.contributor.authorBenaissa, Hassan
dc.contributor.authorDe Knijf, Geert
dc.contributor.authorFerreira, Sónia
dc.contributor.authorGhamizi, Mohamed
dc.contributor.authorGonçalves, Duarte V.
dc.contributor.authorLansdown, Richard
dc.contributor.authorNuma, Catherine
dc.contributor.authorPrié, Vincent
dc.contributor.authorRiccardi, Nicoletta
dc.contributor.authorSeddon, Mary
dc.contributor.authorUrbańska, Maria
dc.contributor.authorValentini, Alice
dc.contributor.authorVikhrev, Ilya
dc.contributor.authorVarandas, Simone
dc.contributor.authorTeixeira, Amílcar
dc.contributor.authorLopes-Lima, Manuel
dc.creatorNogueira J.G.
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2021-11-30T17:11:08Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2021-11-30T17:11:08Z
dc.date.issued2021
dc.description.abstractTheidentification of key biodiversity areas (KBA) was initiated by the International Union for Conservation of Nature in 2004 to overcome taxonomic biases in the selection of important areas for conservation, including freshwater ecosystems. Since then, several KBAs have been identified mainly based on the presence of trigger species (i.e., species that trigger either the vulnerability and or the irreplaceability criterion and thus identify a site as a KBA). However, to our knowledge, many of these KBAs have not been validated. Therefore, classical surveys of the taxa used to identify freshwater KBAs (fishes, molluscs, odonates, and aquatic plants) were conducted in Douro (Iberian Peninsula) and Sebou (Morocco) River basins in the Mediterranean Biodiversity Hotspot. Environmental DNA analyses were undertaken in the Moroccan KBAs. There was a mismatch between the supposed and actual presence of trigger species. None of the trigger species were found in 43% and 50% of all KBAs surveyed in the Douro and Sebou basins, respectively. Shortcomings of freshwater KBA identification relate to flawed or lack of distribution data for trigger species. This situation results from a misleading initial identification of KBAs based on poor (or even inaccurate) ecological information or due to increased human disturbance between initial KBA identification and the present. To improve identification of future freshwater KBAs, we suggest selecting trigger species with a more conservative approach; use of local expert knowledge and digital data (to assess habitat quality, species distribution, and potential threats); consideration of the subcatchment when delineating KBAs boundaries; thoughtful consideration of terrestrial special areas for conservation limits; and periodic field validation.en_EN
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationNogueira, Joana Garrido; Sousa, Ronaldo; Benaissa, Hassan; De Knijf, Geert; Ferreira, Sónia; Ghamizi, Mohamed; Gonçalves, Duarte V.; Lansdown, Richard; Numa, Catherine; Prié, Vincent; Riccardi, Nicoletta; Seddon, Mary; UrbaÅ„ska, Maria; Valentini, Alice; Vikhrev, Ilya; Varandas, Simone; Teixeira, Amílcar; Lopes-Lima, Manuel (2021) - Alarming decline of freshwater trigger species in western Mediterranean key biodiversity areas. Conservation Biology. ISSN 0888-8892. 35:5, p. 1367-1379en_EN
dc.identifier.doi10.1111/cobi.13810en_EN
dc.identifier.issn08888892
dc.identifier.urihttp://hdl.handle.net/10198/11111
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.relation2020.04637
dc.subjectespecie desencadenanteen_EN
dc.subjectfocal areasen_EN
dc.subjectIberiaen_EN
dc.subjectIberiaen_EN
dc.subjectMarruecosen_EN
dc.subjectMoroccoen_EN
dc.subjectprotected areasen_EN
dc.subjecttrigger speciesen_EN
dc.subjectárea focalen_EN
dc.subjectáreas protegidasen_EN
dc.titleAlarming decline of freshwater trigger species in western Mediterranean key biodiversity areasen_EN
dc.typejournal article
dspace.entity.typePublication
rcaap.rightsopenAccessen_EN
rcaap.typearticleen_EN

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