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Original plant diversity and ecosystems of a small, remote oceanic island (Corvo, Azores): Implications for biodiversity conservation

2024Journal article Open access
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dc.contributor.authorConnor, Simon E.
dc.contributor.authorLewis, Tara
dc.contributor.authorvan Leeuwen, Jacqueline F.N.
dc.contributor.authorvan der Knaap, W.O. (Pim)
dc.contributor.authorSchaefer, Hanno
dc.contributor.authorPorch, Nicholas
dc.contributor.authorGomes, Ana I.
dc.contributor.authorPiva, Stephen B.
dc.contributor.authorGadd, Patricia
dc.contributor.authorKuneš, Petr
dc.contributor.authorHaberle, Simon G.
dc.contributor.authorAdeleye, Matthew
dc.contributor.authorMariani, Michela
dc.contributor.authorElias, Rui B.
dc.date.accessioned2024-07-04T11:31:08Z
dc.date.available2024-07-04T11:31:08Z
dc.date.issued2024
dc.description.abstractRemote islands harbour many endemic species and unique ecosystems. They are also some of the world's most human-impacted systems. It is essential to understand how island species and ecosystems behaved prior to major anthropogenic disruption as a basis for their conservation. This research aims to reconstruct the original, pre-colonial biodiversity of a remote oceanic island to understand the scale of past extinctions, vegetation changes and biodiversity knowledge gaps. We studied fossil remains from the North Atlantic island of Corvo (Azores), including pollen, charcoal, plant macrofossils, diatoms and geochemistry of wetland sediments from the central crater of the island, Caldeirão. A comprehensive list of current vascular plant species was compiled, along with a translation table comparing fossilized pollen to plant species and a framework for identifying extinctions and misclassifications. Pollen and macrofossils provide evidence for eight local extinctions from the island's flora and show that four species listed as ‘introduced’ are native. Up to 23 % of the pollen taxa represent extinct/misclassified species. Corvo's past environment was dynamic, shifting from glacial-era open vegetation to various Holocene forest communities, then almost completely deforested by fires, erosion and grazing following Portuguese colonisation. Historical human impacts explain high ecological turnover, several unrecorded extinctions and the present-day abundance of vegetation types like Sphagnum blanket mire. We use Corvo as a case study on how fossil inventories can address the Wallacean and Hookerian biodiversity knowledge gaps on remote islands. Accurate baselines allow stakeholders to make informed conservation decisions using limited financial and human resources, particularly on islands where profound anthropogenic disruption occurred before comprehensive ecological research.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationConnor, S. E., Lewis, T., van Leeuwen, J. F. N., van der Knaap, W. O., Schaefer, H., Porch, N., Gomes, A. I., Piva, S. B., Gadd, P., Kuneš, P., Haberle, S. G., Adeleye, M. A., Mariani, M., & Elias, R. B. (2024). Original plant diversity and ecosystems of a small, remote oceanic island (Corvo, Azores): Implications for biodiversity conservation. "Biological Conservation", 291, 110512. DOI:10.1016/j.biocon.2024.110512pt_PT
dc.identifier.doi10.1016/j.biocon.2024.110512pt_PT
dc.identifier.issn0006-3207
dc.identifier.urihttp://hdl.handle.net/10400.3/7082
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S0006320724000739pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/pt_PT
dc.subjectPalaeoecologypt_PT
dc.subjectIsland Biogeographypt_PT
dc.subjectMacaronesiapt_PT
dc.subjectBiodiversity shortfallspt_PT
dc.subjectChecklistspt_PT
dc.subjectHolocenept_PT
dc.subjectNorth Atlanticpt_PT
dc.subjectVegetation dynamicspt_PT
dc.titleOriginal plant diversity and ecosystems of a small, remote oceanic island (Corvo, Azores): Implications for biodiversity conservationpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.titleBiological Conservationpt_PT
oaire.citation.volume291pt_PT
person.familyNameLewis
person.familyNameSchaefer
person.familyNameGadd
person.familyNameKuneš
person.familyNameAdeleye
person.familyNamemariani
person.familyNamePires Bento da Silva Elias
person.givenNameTara
person.givenNameHanno
person.givenNamePatricia
person.givenNamePetr
person.givenNameMatthew
person.givenNamemichela
person.givenNameRui Miguel
person.identifier1303621
person.identifier1743030
person.identifierB-9055-2018
person.identifier.ciencia-idB816-7471-C4B4
person.identifier.orcid0000-0001-9844-7502
person.identifier.orcid0000-0001-7231-3987
person.identifier.orcid0000-0001-6725-1603
person.identifier.orcid0000-0001-9605-8204
person.identifier.orcid0000-0002-6034-5807
person.identifier.orcid0000-0002-7358-2529
person.identifier.orcid0000-0003-2397-2438
person.identifier.ridC-7099-2008
person.identifier.scopus-author-id23501448300
person.identifier.scopus-author-id14121530800
person.identifier.scopus-author-id57194775781
person.identifier.scopus-author-id7006549169
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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