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3 resultados encontrados para: AUTOR: Sosa, Vinicio J.
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1.
- Artículo con arbitraje
Early establishment of endangered and valuable tree species in cloud forest restoration plantings
Landero Lozada, Siunelly ; Toledo Aceves, Mariana Tarin (coaut.) ; López Barrera, Fabiola (coaut.) ; Sosa, Vinicio J. (coaut.) ; Ramírez Marcial, Neptalí (coaut.) (1963-) ;
Contenido en: Revista Mexicana de Biodiversidad Vol. 90, e902564 (abril 2019), p. 1-13 ISSN: 1870-3453
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Resumen en: Español | Inglés |
Resumen en español

Los bosques mesófilos de montaña (BMM) albergan alta biodiversidad y endemismos y están severamente amenazados por la tala selectiva ilegal, la deforestación, la fragmentación y el cambio climático. Los fragmentos de BMM son altamente heterogéneos en intervalos espaciales cortos, por lo que su restauración, desde una aproximación regional, debe incorporar su rango de elevación. Evaluamos el establecimiento temprano de 12 especies de BMM amenazadas y valiosas, y la influencia de la elevación y la cobertura del dosel sobre su desempeño. Las plántulas (10 a 18 meses de edad) se plantaron en 6 sitios de BMM en un gradiente de elevación (1,250 a 1,995 m) en Veracruz, México. En cada bosque se plantaron 30 plántulas por especie y se registró la sobrevivencia y crecimiento en altura (RGRh), el diámetro basal (RGRd) y la cobertura del dosel. La sobrevivencia fue alta para todas las especies después de un año (81.1 to 99.4%) y no fue afectada por la elevación. La cobertura del dosel afectó positivamente la probabilidad de sobrevivencia de 3 especies. En general, las tasas de crecimiento fueron positivas y en 4 especies disminuyeron a menor elevación. Nuestros resultados indican una respuesta positiva del establecimiento temprano de las plántulas en las especies estudiadas bajo el dosel del BMM (66-97% de cobertura).

Resumen en inglés

Tropical montane cloud forests (TMCF) host high biodiversity and endemicity and are severely threatened by illegal selective logging, deforestation, fragmentation and climate change. The fragments of TMCF present high heterogeneity over short spatial intervals and a regional forest restoration approach must therefore incorporate seedling performance throughout the TMCF elevation range. We examined early seedling establishment in 12 endangered and valuable TMCF species in the understory of unplanned selectively logged TMCF and assessed the influence of elevation and canopy cover on seedling performance. Tree seedlings (10-18 mo-old) were transplanted into restoration plantings in 6 forest sites along an elevation range (1,250 to 1,995 m) in Veracruz, Mexico. In each forest, 30 seedlings per species were planted and their survival and relative growth rates in height (RGRh) and basal stem diameter (RGRd) recorded, along with canopy cover. Survival was high for all species after one year (81.1 to 99.4%) and was unaffected by elevation. Canopy cover positively affected the survival probability of 3 species. Both RGRh and RGRd decreased at lower elevations in 4 species; however, overall growth rates were positive. Our results indicate a positive early seedling establishment response in the evaluated tree species under the TMCF canopy (66-97% of canopy cover).


2.
Libro
Ecological statistics: contemporary theory and application / edited by Gordon A. Fox, Simoneta Negrete-Yankelevich, Vinicio J. Sosa
Disponible en línea: Ecological statistics: contemporary theory and application.
Fox, Gordon A. (coed.) ; Negrete-Yankelevich, Simoneta (coed.) ; Sosa, Vinicio J. (coed.) ;
Oxford, England : Oxford University Press , c2015
Clasificación: 577.015195 / E2
Bibliotecas: Chetumal , San Cristóbal
Cerrar
SIBE Chetumal
ECO030008736 (Disponible)
Disponibles para prestamo: 1
Cerrar
SIBE San Cristóbal
ECO010018496 (Prestado)
Disponibles para prestamo: 0
Resumen en: Inglés |
Resumen en inglés

The application and interpretation of statistics are central to ecological study and practice. Ecologists are now asking more sophisticated questions than in the past. These new questions, together with the continued growth of computing power and the availability of new software, have created a new generation of statistical techniques. These have resulted in major recent developments in both our understanding and practice of ecological statistics. This novel book synthesizes a number of these changes, addressing key approaches and issues that tend to be overlooked in other books such as missing/censored data, correlation structure of data, heterogeneous data, and complex causal relationships. These issues characterize a large proportion of ecological data, but most ecologists'training in traditional statistics simply does not provide them with adequate preparation to handle the associated challenges. Uniquely, Ecological Statistics highlights the underlying links among many statistical approaches that attempt to tackle these issues. In particular, it gives readers an introduction to approaches to inference, likelihoods, generalized linear (mixed) models, spatially or phylogenetically-structured data, and data synthesis, with a strong emphasis on conceptual understanding and subsequent application to data analysis. Written by a team of practicing ecologists, mathematical explanations have been kept to the minimum necessary. This user-friendly textbook will be suitable for graduate students, researchers, and practitioners in the fields of ecology, evolution, environmental studies, and computational biology who are interested in updating their statistical tool kits. A companion web site provides example data sets and commented code in the R language.


3.
Libro
Listado actualizado de los mamíferos de la Reserva de la Biosfera de Calakmul con un análisis sobre las implicaciones de su distribución y rareza para la zonificación de la reserva: informe final / Coordinador: Vinicio J. Sosa Fernández
Sosa Fernández, Vinicio J. (coord.) ;
México : Instituto de Ecología , 1999
Clasificación: C CA/599.045 / L5
Bibliotecas: Campeche
Cerrar
SIBE Campeche
ECO040001958 (Disponible)
Disponibles para prestamo: 1