3 results on '"Higuita, Maria Judith Carmona"'
Search Results
2. Phylogenetic diversity and the structure of host-epiphyte interactions across the Neotropics
- Author
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Pie, Marcio R, Caron, Fernanda S, Dallimore, Thom, Einzmann, Helena, Hietz, Peter, Kessler, Michael; https://orcid.org/0000-0003-4612-9937, Ramos, Flavio Nunes, Elias, João Pedro Costa, Kreft, Holger, Krömer, Thorsten, Higuita, Maria Judith Carmona, Zuleta, Daniel, Machado, Giesta, de Gasper, André Luís, Zotz, Gerhard, Mendieta Leiva, Glenda, Jimenez-Lopez, Derio Antonio, Mendes, Alex Fernando, Brancalion, Pedro, Mortara, Sara, Blum, Christopher Thomas, Irume, Mariana Victória, Martínez-Meléndez Nayely, Nayely, Benavides, Ana Maria, Boelter, Carlos Renato, Batke, Sven, Pie, Marcio R, Caron, Fernanda S, Dallimore, Thom, Einzmann, Helena, Hietz, Peter, Kessler, Michael; https://orcid.org/0000-0003-4612-9937, Ramos, Flavio Nunes, Elias, João Pedro Costa, Kreft, Holger, Krömer, Thorsten, Higuita, Maria Judith Carmona, Zuleta, Daniel, Machado, Giesta, de Gasper, André Luís, Zotz, Gerhard, Mendieta Leiva, Glenda, Jimenez-Lopez, Derio Antonio, Mendes, Alex Fernando, Brancalion, Pedro, Mortara, Sara, Blum, Christopher Thomas, Irume, Mariana Victória, Martínez-Meléndez Nayely, Nayely, Benavides, Ana Maria, Boelter, Carlos Renato, and Batke, Sven
- Abstract
Understanding the mechanisms driving community assembly has been a major focus of ecological research for nearly a century, yet little is known about these mechanisms in commensal communities, particularly with respect to their historical/evolutionary components. Here, we use a large-scale dataset of 4,440 vascular plant species to explore the relationship between the evolutionary distinctiveness (ED) (as measured by the 'species evolutionary history' (SEH)) of host species and the phylogenetic diversity (PD) of their associated epiphyte species. Although there was considerable variation across hosts and their associated epiphyte species, they were largely unrelated to host SEH. Our results mostly support the idea that the determinants of epiphyte colonization success might involve host characteristics that are unrelated to host SEH (e.g., architectural differences between hosts). While determinants of PD of epiphyte assemblages are poorly known, they do not appear to be related to the evolutionary history of host species. Instead, they might be better explained by neutral processes of colonization and extinction. However, the high level of phylogenetic signal in epiphyte PD (independent of SEH) suggests it might still be influenced by yet unrecognized evolutionary determinants. This study highlights how little is still known about the phylogenetic determinants of epiphyte communities.
- Published
- 2023
3. Brink of extinction: red list of epiphytes of Colombia
- Author
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Higuita, Maria Judith Carmona, Daihana Arango, Calderón-Caro, Jennifer, Lopez-Gallego, Cristina, Castellanos-Castro, Carolina, Vieira-Uribe, Sebastián, Romero, Laura Vibiana Clavijo, Vasco, Alejandra, Betancur, Susana Vega, Testo, Weston, Sundue, Michael, Tuberquia, Dino, Callejas, Ricardo, Idárraga, Álvaro, Zuluaga, Alejandro, Nhora Elena Ospina-Calderon, and Benavides, Ana María
- Subjects
land use change ,Conservation status ,ferns ,orchids ,Andean Forest ,Gesneriaceae - Abstract
Data and maps associated with the paper "Brink of extinction: red list of epiphytes of Colombia". Abstract The IUCN Red List assessments of Colombian flora significantly impact national public policy by informing conservation strategies and prioritizing areas for conservation. However, little is known about the distribution, conservation status, or evolutionary history of most Colombian epiphytes, which prevents the development of strategies aimed at their protection. In this article, we present the results of national assessments of extinction risk for 290 species of vascular epiphyte species from Colombia, including 81 country endemics, using geographic occurrences obtained from GBIF, herbarium specimens, and expert observations and implementing the analysis of habitat quantity and quality. We identify the most common threats facing these taxa and highlight the most at-risk taxa, to identify conservation priorities for epiphytic plants in this megadiverse country. We show that focusing on specific taxonomic groups at the national level is a practical approach for accelerating the assessment process. We suggest continuing working collectively, implementing workshops to share the complete route for an individual or multispecies assessment, and sharing experiences of efforts in several countries since, with a standardized methodology and published evaluations in national and global repositories, we can continue working for the conservation of biodiversity of mega-diverse countries, which its protection is critical to maintaining global biodiversity., This work was made possible with support from a grant from the GBIF Biodiversity Information for Development (grant number BID-CA2020-047-USE) program to The Medellin's Botanical Garden in association with the Humboldt Institute. The Ferns of Colombia Working Group (authors AV, SVB, WT, and MS) were supported by the National Science Foundation of the United States (grant numbers DEB-2045319, DEB-2045325).
- Published
- 2023
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