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dc.contributor.authorFERNANDES, F.
dc.contributor.authorIGANCI, J.
dc.contributor.authorSOUZA-CHIES, T. T. de
dc.contributor.authorHEIDEN, G.
dc.date.accessioned2025-09-16T14:49:57Z-
dc.date.available2025-09-16T14:49:57Z-
dc.date.created2025-09-16
dc.date.issued2025
dc.identifier.citationConservation, v. 5, N. 3, p. 36, 2025.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1178842-
dc.descriptionAbstract: Accurate taxonomy is fundamental for assessing extinction risks and implementing conservation strategies. We evaluated the extinction risk of Grindelia atlantica (Asteraceae), endemic to southern Brazil, using the IUCN criteria, and comparing three scenarios of taxonomic accuracy and data availability. Herbaria records and field surveys confirmed the historical existence of five records and currently only two remaining, isolated populations, totaling 633 individuals (513 in Pelotas and Rio Grande; 120 in Jaguarão). Habitat loss and invasive species are the primary threats. Analyses resulted in an Extent of Occurrence of 475.832 km2 and an Area of Occupancy of 36 km2. These findings, coupled with significant population decline, justify the classification as Critically Endangered. The results emphasize the critical role of reliable taxonomy in conservation biology. They demonstrate the impact of a few errors on extinction risk assessments, which can unfold in the misallocation of resources or insufficient protection. This is critical, particularly for endemic species like G. atlantica in the threatened Pampas, one of Brazil’s most degraded biomes and the least represented in preserves. The creation of a conservation unit is proposed as an urgent measure to ensure the survival of this species and its habitat, benefiting other endemic and rare threatened animal and plant species.
dc.language.isoeng
dc.rightsopenAccess
dc.subjectHabitat loss
dc.subjectEndemic species
dc.subjectEspécies endêmicas
dc.subjectEspécies ameaçadas
dc.subjectPerda de habitat
dc.subjectEspécies invasoras
dc.subjectPampa
dc.titleSpecies Conservation Dependence on a Reliable Taxonomy as Emphasized by the Extinction Risk Assessment of Grindelia atlantica (Asteraceae: Astereae).
dc.typeArtigo de periódico
dc.subject.thesagroBiodiversidade
dc.subject.thesagroCompositae
dc.subject.thesagroConservação
dc.subject.thesagroEspécie em Extinção
dc.subject.thesagroPastagem
dc.subject.nalthesaurusBiodiversity
dc.subject.nalthesaurusConservation plants
dc.subject.nalthesaurusEndangered species
dc.subject.nalthesaurusExtinction
dc.subject.nalthesaurusGrasslands
dc.subject.nalthesaurusInvasive species
riaa.ainfo.id1178842
riaa.ainfo.lastupdate2025-09-16
dc.identifier.doihttps://doi.org/10.3390/conservation5030036
dc.contributor.institutionFERNANDO FERNANDES, UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL; JOÃO IGANCI, UNIVERSIDADE FEDERAL DE PELOTAS; TATIANA TEIXEIRA DE SOUZA-CHIES, UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL; GUSTAVO HEIDEN, CPACT.
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