BIOGEOGRAPHIC ANALYSIS OF FERNS AND LYCOPHYTES IN OAXACA: A MEXICAN BETA-DIVERSE AREA
Por:
Contreras-Medina, Raul, Garcia-Martinez, I, Azael, Ramírez-Martínez J.C., Espinosa, David, Balam-Narvaez, Ricardo, Luna-Vega, Isolda
Publicada:
1 ene 2022
Categoría:
Plant science
Resumen:
Background: Spatial patterns related to richness and endemism of Mexican
ferns and lycophytes are not well known, particularly in highly
biodiverse areas; among these, Oaxaca is considered a highly biodiverse
Mexican state. Questions: Where are located the centers of richness and
endemism of lycophytes and ferns in Oaxaca? Both groups of plants
support the idea of beta-diverse state condition for Oaxaca? Study site
and research period: The study includes all territory of Oaxaca, between
2015 and 2019. Methods: We analyzed the species distribution using grid
cells of 20' x 20' of latitude and longitude as study units. For this,
we applied species richness, endemism indexes (weighted endemism and
corrected weighted endemism), and components of biodiversity (alpha,
beta and gamma), associated with a complementarity index. The
distributional data of the species were mainly obtained from herbarium
specimens. Results: The richness areas are concentrated in the Sierra
Norte and Istmo regions. Three important areas in richness and endemic
species are suggested from the endemism indexes. Most of the grid-cell
combinations resulted in high values from the complementarity analysis
suggesting a high species turnover. Conclusions: The diversity analyses
suggested that Oaxaca is a beta-diverse state. The NOM-059 needs a
serious, urgent, and critical revision for ferns and different
biological groups. The Areas Voluntarily Designated for Conservation in
Oaxaca play a major role in relation to Natural Protected Areas for
conservation of ferns and lycophytes.
Filiaciones:
Contreras-Medina, Raul:
Laboratorio de Biodiversidad, Escuela de Ciencias, Universidad Autónoma Benito Juárez de Oaxaca, Oaxaca, Mexico
Garcia-Martinez, Azael, I , Univ Autonoma Benito Juarez Oaxaca, Lab Biodiversidad, Escuela Ciencias, Oaxaca, Oaxaca, Mexico
Garcia-Martinez, I, Azael:
Laboratorio de Biodiversidad, Escuela de Ciencias, Universidad Autónoma Benito Juárez de Oaxaca, Oaxaca, Mexico
Ramírez-Martínez J.C.:
Laboratorio de Biogeografía y Sistemática, Departamento de Biología Evolutiva, Facultad de Ciencias, Universidad Nacional Autónoma de México, México City, Mexico
Espinosa, David:
Unidad Multidisciplinaria de Investigación Experimental Zaragoza, Universidad Nacional Autónoma de México, México City, Mexico
Univ Nacl Autonoma Mexico, Unidad Multidisciplinaria Invest Expt Zaragoza, Mexico City, DF, Mexico
Balam-Narvaez, Ricardo:
Laboratorio de Biodiversidad, Escuela de Ciencias, Universidad Autónoma Benito Juárez de Oaxaca, Oaxaca, Mexico
Garcia-Martinez, Azael, I , Univ Autonoma Benito Juarez Oaxaca, Lab Biodiversidad, Escuela Ciencias, Oaxaca, Oaxaca, Mexico
Luna-Vega, Isolda:
Laboratorio de Biogeografía y Sistemática, Departamento de Biología Evolutiva, Facultad de Ciencias, Universidad Nacional Autónoma de México, México City, Mexico
Univ Nacl Autonoma Mexico, Fac Ciencias, Dept Biol Evolut, Lab Biogeog & Sistemat, Mexico City, DF, Mexico
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