Sergio Pérez‐Elizalde
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View article: Evaluación de la política de extensionismo rural en México, con base en modelos econométricos lineales y no lineales.
Evaluación de la política de extensionismo rural en México, con base en modelos econométricos lineales y no lineales. Open
Las políticas públicas de extensionismo rural, son vistas a nivel internacional como factor determinante para acelerar la innovación agrícola e incidir en la reducción de la pobreza rural. Por ello, cobra relevancia la evaluación de sus r…
View article: A Bayesian optimization R package for multitrait parental selection
A Bayesian optimization R package for multitrait parental selection Open
Selecting and mating parents in conventional phenotypic and genomic selection are crucial. Plant breeding programs aim to improve the economic value of crops, considering multiple traits simultaneously. When traits are negatively correlate…
View article: Effect of tree shade on behavior and haircoat temperature of grazing dual-purpose cows in a hot and humid tropical environment
Effect of tree shade on behavior and haircoat temperature of grazing dual-purpose cows in a hot and humid tropical environment Open
We evaluated the behavior and skin temperature of dual-purpose cattle that grazed pastures having high (HC), low (LC), and no (NC) tree cover during the rainy and dry seasons in the hot and humid tropics of Mexico. We observed twenty-four …
View article: Bayesian modelling of phosphorus content in wheat grain using hyperspectral reflectance data
Bayesian modelling of phosphorus content in wheat grain using hyperspectral reflectance data Open
Background As a result of the technological progress, the use of sensors for crop survey has substantially increased, generating valuable information for modelling agricultural data. Plant spectroscopy jointly with statistical modeling can…
View article: Additional file 2 of Bayesian modelling of phosphorus content in wheat grain using hyperspectral reflectance data
Additional file 2 of Bayesian modelling of phosphorus content in wheat grain using hyperspectral reflectance data Open
Additional file 2: Hyperspectral data.
View article: Análisis espacio temporal de la ocurrencia de incendios forestales en el estado mexicano de Oaxaca
Análisis espacio temporal de la ocurrencia de incendios forestales en el estado mexicano de Oaxaca Open
En este estudio, se modelan y analizan los eventos de incendios forestales registrados en los últimos 19 años por el satélite de observación MODIS en el estado de Oaxaca; para ello, se utilizó un modelo Poisson jerárquico bayesiano, el cua…
View article: Análisis espacial bayesiano del Índice de Desarrollo Humano municipal, Oaxaca, 2010: una medida de eficiencia
Análisis espacial bayesiano del Índice de Desarrollo Humano municipal, Oaxaca, 2010: una medida de eficiencia Open
En este artículo se presenta un modelo geoestadístico bayesiano para el análisis de la distribución del Índice de Desarrollo Humano (IDH) a escala municipal en Oaxaca, 2010. El modelo considera efectos fijos (covariables: los indicadores d…
View article: El uso del riego como indicador de la rentabilidad en empresas agrícolas familiares en México
El uso del riego como indicador de la rentabilidad en empresas agrícolas familiares en México Open
Las empresas agrícolas familiares tienen un importante papel sobre el mantenimiento a largo plazo de la economía agrícola en las zonas rurales, esto implica una estrecha relación entre capacidades, potencialidades y objetivos relativos al …
View article: Rendimiento de forraje e interacciones aéreas en función de la densidad de árboles de Leucaena leucocephala asociada a la gramínea Digitaria eriantha
Rendimiento de forraje e interacciones aéreas en función de la densidad de árboles de Leucaena leucocephala asociada a la gramínea Digitaria eriantha Open
Los sistemas silvopastoriles intensivos integran árboles en alta densidad y gramíneas con el objetivo de aumentar la producción de biomasa para alimentar especies de ganado herbívoro (Pachas et al., 2018).
View article: Funciones de producción para madera aserrada en la Empresa Forestal Comunitaria en México
Funciones de producción para madera aserrada en la Empresa Forestal Comunitaria en México Open
Se generaron tres modelos de producción para madera aserrada en 35 Empresas Forestales Comunitarias (EFC) de 10 estados de México, que se clasificaron a partir de variables relativas (insumos de producción): continuas y nominales que afect…
View article: lme4GS: An R-Package for Genomic Selection
lme4GS: An R-Package for Genomic Selection Open
Genomic selection (GS) is a technology used for genetic improvement, and it has many advantages over phenotype-based selection. There are several statistical models that adequately approach the statistical challenges in GS, such as in line…
View article: Corrigendum to: Application of multi-trait bayesian decision theory for parental genomic selection
Corrigendum to: Application of multi-trait bayesian decision theory for parental genomic selection Open
View article: Application of multi-trait Bayesian decision theory for parental genomic selection
Application of multi-trait Bayesian decision theory for parental genomic selection Open
In all breeding programs, the decision about which individuals to select and intermate to form the next selection cycle is crucial. The improvement of genetic stocks requires considering multiple traits simultaneously, given that economic …
View article: Hojarasca de árboles de bosque tropical seco dispersos en pastizales
Hojarasca de árboles de bosque tropical seco dispersos en pastizales Open
Introducción: Los árboles dispersos del bosque tropical seco (BTS) depositan una cantidad significativa de hojarasca en los pastizales.Objetivo: Estimar la producción de hojarasca de árboles dispersos de Lysiloma acapulcense (Kunth) Benth.…
View article: Rendimiento y calidad nutritiva del forraje en un sistema silvopastoril intensivo con Leucaena leucocephala y Megathyrsus maximus cv. Tanzania
Rendimiento y calidad nutritiva del forraje en un sistema silvopastoril intensivo con Leucaena leucocephala y Megathyrsus maximus cv. Tanzania Open
Se determinó el rendimiento y calidad del forraje en un sistema silvopastoril con Leucaena leucocephala cv. Cunningham (5000 árboles ha-1) asociado con Megathyrsus maximus cv. Tanzania, en cuatro intervalos de descanso (20, 30, 40 y 50 d),…
View article: Coexistence of jaguars (Panthera onca) and pumas (Puma concolor) in a tropical forest in south–eastern Mexico
Coexistence of jaguars (Panthera onca) and pumas (Puma concolor) in a tropical forest in south–eastern Mexico Open
The biological ranges of the jaguar (Panthera onca) and puma (Puma concolor) overlap in the Yucatan Peninsula, corresponding to the most important population of jaguars in Mexico. The goal of this study in the El Eden Ecological Reserve (E…
View article: Habitat use of jaguar (Panthera onca) in a tropical forest in northern Quintana Roo, Mexico
Habitat use of jaguar (Panthera onca) in a tropical forest in northern Quintana Roo, Mexico Open
The study was carried out in a median stature tropical forest in the north of Quintana Roo during 2008, 2010-2012, using camera traps to record activity and habitat use by jaguar and other vertebrates. Spatial and temporal variations in ha…
View article: A Bayesian Decision Theory Approach for Genomic Selection
A Bayesian Decision Theory Approach for Genomic Selection Open
Plant and animal breeders are interested in selecting the best individuals from a candidate set for the next breeding cycle. In this paper, we propose a formal method under the Bayesian decision theory framework to tackle the selection pro…
View article: A Bayesian Genomic Regression Model with Skew Normal Random Errors
A Bayesian Genomic Regression Model with Skew Normal Random Errors Open
Genomic selection (GS) has become a tool for selecting candidates in plant and animal breeding programs. In the case of quantitative traits, it is common to assume that the distribution of the response variable can be approximated by a nor…
View article: RIndSel: Selection Indices with R
RIndSel: Selection Indices with R Open
RIndSel is a graphical unit interface that uses selection index theory to select individual candidates as parents for the next selection cycle. The index can be a linear combination of phenotypic values, genomic estimated breeding values, …
View article: Ecology of Puma concolor (Carnivora: Felidae) in a mexican tropical forest: adaptation to environmental disturbances
Ecology of Puma concolor (Carnivora: Felidae) in a mexican tropical forest: adaptation to environmental disturbances Open
Worldwide big cats are at risk of extinction, and anthropogenic factors and natural habitat disturbances represent the biggest threats for their survival. It is essential to know the natural resources use by these predators and the way the…
View article: Genomic Selection in Plant Breeding: Methods, Models, and Perspectives
Genomic Selection in Plant Breeding: Methods, Models, and Perspectives Open
View article: Identificación de cambios en la ciclogénesis del Atlántico Norte mediante un modelo de mezclas Gaussianas
Identificación de cambios en la ciclogénesis del Atlántico Norte mediante un modelo de mezclas Gaussianas Open
"Buendía-Espinoza, J. C., Pérez-Rodríguez, P., González-Camacho, J. M., Pérez-Elizalde, S., Exebio-García, A., Rosengaus-Moshinsky, M., & Peña, M. (julio-agosto, 2017). Identificación de cambios en la ciclogénesis del Atlántico Norte media…
View article: Corrigendum to “Linear and nonlinear genetic relationships between type traits and productive life in US dairy goats” (J. Dairy Sci. 100:1232–1245)
Corrigendum to “Linear and nonlinear genetic relationships between type traits and productive life in US dairy goats” (J. Dairy Sci. 100:1232–1245) Open
On page 1233 (second paragraph), the third sentence should read “Their study considered that the genetic trend for productive life at 72 mo could increase up to 38.3% per generation (with respect to direct selection) when one of these trai…
View article: Bayesian Estimation for the Centered Parameterization of the Skew-Normal Distribution
Bayesian Estimation for the Centered Parameterization of the Skew-Normal Distribution Open
The skew-normal (SN) distribution is a generalization of the normal distribution, where a shape parameter is added to adopt skewed forms. The SN distribution has some of the properties of a univariate normal distribution, which makes it ve…
View article: Linear and nonlinear genetic relationships between type traits and productive life in US dairy goats
Linear and nonlinear genetic relationships between type traits and productive life in US dairy goats Open
Linear or nonlinear genetic relationships between productive life and functional productive life at 72 mo, with final score (SCO), stature, strength, dairyness (DAI), teat diameter, rear legs (side view), rump angle, rump width (RUW), fore…
View article: Caracterización del consumidor de tortilla en el Estado de México
Caracterización del consumidor de tortilla en el Estado de México Open
La tortilla es considerada el alimento principal de los mexicanos, provee energía por su contenido alto de carbohidratos y aporta calcio, potasio, fósforo, fibra, proteínas y algunas vitaminas. El objetivo del presente estudio fue caracter…
View article: Overlap in activity patterns between big cats and their main prey in northern Quintana Roo, Mexico
Overlap in activity patterns between big cats and their main prey in northern Quintana Roo, Mexico Open
Activity patterns have been explained as one of the axes that allow the niche segregation, which helps explain the coexistence of species, researchers have overlooked the relevance of these and their effects on the community dynamics. At n…
View article: Genomic Prediction of Genotype × Environment Interaction Kernel Regression Models
Genomic Prediction of Genotype × Environment Interaction Kernel Regression Models Open
In genomic selection (GS), genotype × environment interaction (G × E) can be modeled by a marker × environment interaction (M × E). The G × E may be modeled through a linear kernel or a nonlinear (Gaussian) kernel. In this study, we propos…
View article: A Hierarchical Bayesian Estimation Model for Multienvironment Plant Breeding Trials in Successive Years
A Hierarchical Bayesian Estimation Model for Multienvironment Plant Breeding Trials in Successive Years Open
In agriculture and plant breeding, multienvironment trials over multiple years are conducted to evaluate and predict genotypic performance under different environmental conditions and to analyze, study, and interpret genotype × environment…