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Ensamblaje de la diversidad funcional en una flora de isla oceánica

Martha Paola Barajas Barbosa^1,2,3, Dylan Craven^4,5, Patrick Weigelt^6,7,8

¹Biodiversity, Macroecology & Biogeography, University of Göttingen, Göttingen, Germany. paolabarajas@gmail.com.

|July 12, 2023

Resumen

Las islas oceánicas muestran rasgos vegetales únicos formados por la evolución y la dispersión. A pesar de la riqueza funcional, la mayoría de las plantas se agrupan alrededor de estrategias de arbustos conservadores, revelando procesos de ensamblaje complejos.

Área de la Ciencia:

Ecología
Biología evolutiva
Biogeografía

Sus antecedentes:

La flora de las islas oceánicas muestra rasgos únicos debido a la insularidad y la historia evolutiva.
Los mecanismos que vinculan la biogeografía, la evolución y la distribución de los rasgos funcionales de las plantas siguen sin estar claros.

Objetivo del estudio:

Describir el espacio funcional de la flora nativa de Tenerife.
Para relacionar el espacio de rasgos de la isla con las estrategias ecológicas globales.
Investigar cómo las distribuciones biogeográficas y las historias de diversificación influyen en los rasgos funcionales.

Principales métodos:

Mediciones extensas de campo y de laboratorio de los rasgos funcionales de las plantas.
Análisis del espacio de rasgos funcionales en relación con las estrategias ecológicas.
Categoría de la flora basada en las distribuciones biogeográficas y las historias de diversificación.

Principales resultados:

La flora de Tenerife exhibe una gran riqueza funcional, con una concentración de arbustos que emplean estrategias conservadoras.
La dispersión a larga distancia y la dispersión entre islas impulsan la divergencia funcional y la expansión del espacio de rasgos.
La especiación a través de la cladogénesis conduce a la convergencia funcional, contribuyendo mínimamente a la diversidad funcional general.

Conclusiones:

Los procesos biogeográficos y la historia evolutiva moldean significativamente la diversidad de rasgos vegetales de las islas.
La dispersión es un factor clave de la expansión de los rasgos funcionales, mientras que la cladogénesis promueve la convergencia.
La comprensión de estos factores es crucial para obtener información sobre el ensamblaje de la flora de la isla.

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