The genetic legacy of fragmentation and overexploitation in the threatened medicinal African pepper-bark tree Warburgia salutaris
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/10400.5/20579 |
Resumo: | The pepper-bark tree (Warburgia salutaris) is one of the most highly valued medicinal plant species worldwide. Native to southern Africa, this species has been extensively harvested for the bark, which is widely used in traditional health practices. Illegal harvesting coupled with habitat degradation has contributed to fragmentation of populations and a severe decline in its distribution. Even though the species is included in the IUCN Red List as Endangered, genetic data that would help conservation efforts and future re-introductions are absent. We therefore developed new molecular markers to understand patterns of genetic diversity, structure, and gene flow of W. salutaris in one of its most important areas of occurrence (Mozambique). In this study, we have shown that, despite fragmentation and overexploitation, this species maintains a relatively high level of genetic diversity supporting the existence of random mating. Two genetic groups were found corresponding to the northern and southern locations. Our study suggests that, if local extinctions occurred in Mozambique, the pepper-bark tree persisted in sufficient numbers to retain a large proportion of genetic diversity. Management plans should concentrate on maintaining this high level of genetic variability through both in and ex-situ conservation actions |
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The genetic legacy of fragmentation and overexploitation in the threatened medicinal African pepper-bark tree Warburgia salutarisWarburgia salutarismedicinal plantsoverexploitationfragmentationThe pepper-bark tree (Warburgia salutaris) is one of the most highly valued medicinal plant species worldwide. Native to southern Africa, this species has been extensively harvested for the bark, which is widely used in traditional health practices. Illegal harvesting coupled with habitat degradation has contributed to fragmentation of populations and a severe decline in its distribution. Even though the species is included in the IUCN Red List as Endangered, genetic data that would help conservation efforts and future re-introductions are absent. We therefore developed new molecular markers to understand patterns of genetic diversity, structure, and gene flow of W. salutaris in one of its most important areas of occurrence (Mozambique). In this study, we have shown that, despite fragmentation and overexploitation, this species maintains a relatively high level of genetic diversity supporting the existence of random mating. Two genetic groups were found corresponding to the northern and southern locations. Our study suggests that, if local extinctions occurred in Mozambique, the pepper-bark tree persisted in sufficient numbers to retain a large proportion of genetic diversity. Management plans should concentrate on maintaining this high level of genetic variability through both in and ex-situ conservation actionsNatureRepositório da Universidade de LisboaSenkoro, Annae M.Talhinhas, PedroSimões, FernandaBatista-Santos, PaulaSchackleton, Charlie M.Voeks, Robert A.Marques, IsabelRibeiro-Barros, Ana I.2020-11-19T11:02:31Z20202020-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.5/20579engScientific Reports (2020) 10:19725https://doi.org/10.1038/s41598-020-76654-6info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-10-22T01:31:52Zoai:www.repository.utl.pt:10400.5/20579Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T17:05:16.801201Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
dc.title.none.fl_str_mv |
The genetic legacy of fragmentation and overexploitation in the threatened medicinal African pepper-bark tree Warburgia salutaris |
title |
The genetic legacy of fragmentation and overexploitation in the threatened medicinal African pepper-bark tree Warburgia salutaris |
spellingShingle |
The genetic legacy of fragmentation and overexploitation in the threatened medicinal African pepper-bark tree Warburgia salutaris Senkoro, Annae M. Warburgia salutaris medicinal plants overexploitation fragmentation |
title_short |
The genetic legacy of fragmentation and overexploitation in the threatened medicinal African pepper-bark tree Warburgia salutaris |
title_full |
The genetic legacy of fragmentation and overexploitation in the threatened medicinal African pepper-bark tree Warburgia salutaris |
title_fullStr |
The genetic legacy of fragmentation and overexploitation in the threatened medicinal African pepper-bark tree Warburgia salutaris |
title_full_unstemmed |
The genetic legacy of fragmentation and overexploitation in the threatened medicinal African pepper-bark tree Warburgia salutaris |
title_sort |
The genetic legacy of fragmentation and overexploitation in the threatened medicinal African pepper-bark tree Warburgia salutaris |
author |
Senkoro, Annae M. |
author_facet |
Senkoro, Annae M. Talhinhas, Pedro Simões, Fernanda Batista-Santos, Paula Schackleton, Charlie M. Voeks, Robert A. Marques, Isabel Ribeiro-Barros, Ana I. |
author_role |
author |
author2 |
Talhinhas, Pedro Simões, Fernanda Batista-Santos, Paula Schackleton, Charlie M. Voeks, Robert A. Marques, Isabel Ribeiro-Barros, Ana I. |
author2_role |
author author author author author author author |
dc.contributor.none.fl_str_mv |
Repositório da Universidade de Lisboa |
dc.contributor.author.fl_str_mv |
Senkoro, Annae M. Talhinhas, Pedro Simões, Fernanda Batista-Santos, Paula Schackleton, Charlie M. Voeks, Robert A. Marques, Isabel Ribeiro-Barros, Ana I. |
dc.subject.por.fl_str_mv |
Warburgia salutaris medicinal plants overexploitation fragmentation |
topic |
Warburgia salutaris medicinal plants overexploitation fragmentation |
description |
The pepper-bark tree (Warburgia salutaris) is one of the most highly valued medicinal plant species worldwide. Native to southern Africa, this species has been extensively harvested for the bark, which is widely used in traditional health practices. Illegal harvesting coupled with habitat degradation has contributed to fragmentation of populations and a severe decline in its distribution. Even though the species is included in the IUCN Red List as Endangered, genetic data that would help conservation efforts and future re-introductions are absent. We therefore developed new molecular markers to understand patterns of genetic diversity, structure, and gene flow of W. salutaris in one of its most important areas of occurrence (Mozambique). In this study, we have shown that, despite fragmentation and overexploitation, this species maintains a relatively high level of genetic diversity supporting the existence of random mating. Two genetic groups were found corresponding to the northern and southern locations. Our study suggests that, if local extinctions occurred in Mozambique, the pepper-bark tree persisted in sufficient numbers to retain a large proportion of genetic diversity. Management plans should concentrate on maintaining this high level of genetic variability through both in and ex-situ conservation actions |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-11-19T11:02:31Z 2020 2020-01-01T00:00:00Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10400.5/20579 |
url |
http://hdl.handle.net/10400.5/20579 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Scientific Reports (2020) 10:19725 https://doi.org/10.1038/s41598-020-76654-6 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Nature |
publisher.none.fl_str_mv |
Nature |
dc.source.none.fl_str_mv |
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Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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RCAAP |
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RCAAP |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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