Zobrazeno 1 - 10
of 54
pro vyhledávání: '"José Hugo Martínez-Guerrero"'
Autor:
Samuel Ignacio Arroyo-Arroyo, José Hugo Martínez-Guerrero, Martín Emilio Pereda-Solís, Daniel Sierra-Franco
Publikováno v:
Huitzil, Vol 20, Iss 2, Pp 1-7 (2019)
During the breeding season the Grasshopper Sparrow (Ammodramus savannarum) is widely distributed over the plains of North America. Consisting of four subspecies its populations are classified as resident, migratory and partially migratory. In Mexico
Externí odkaz:
https://doaj.org/article/8c9b0ccf1e9b4c7bb3a92cab83c5f6e6
Autor:
Alejandro Leal-Sáenz, Kristen M. Waring, Rebeca Álvarez-Zagoya, José Ciro Hernández-Díaz, Carlos A. López-Sánchez, José Hugo Martínez-Guerrero, Christian Wehenkel
Publikováno v:
Frontiers in Plant Science, Vol 12 (2021)
Insect damage to cones and seeds has a strong impact on the regeneration of conifer forest ecosystems, with broader implications for ecological and economic services. Lack of control of insect populations can lead to important economic and environmen
Externí odkaz:
https://doaj.org/article/920482c53035461dbc4eb3c64984467a
Autor:
Alejandro Leal-Sáenz, Kristen M. Waring, Mitra Menon, Samuel A. Cushman, Andrew Eckert, Lluvia Flores-Rentería, José Ciro Hernández-Díaz, Carlos Antonio López-Sánchez, José Hugo Martínez-Guerrero, Christian Wehenkel
Publikováno v:
Frontiers in Plant Science, Vol 11 (2020)
The phenotype of trees is determined by the relationships and interactions among genetic and environmental influences. Understanding the patterns and processes that are responsible for phenotypic variation is facilitated by studying the relationships
Externí odkaz:
https://doaj.org/article/fab0c2f20f6c42f89e3f5a4c36e59aa3
Publikováno v:
Huitzil, Vol 18, Iss 2 (2017)
The record of the aberrations in the plumage coloration in birds is important because allow to know the frequency and conditions with which they occur in the wild populations, which improves the knowledge in the subject. We report two specimens of wh
Externí odkaz:
https://doaj.org/article/a04aea5008574bb88dd1975e19ac8a95
Autor:
Mieke Titulaer, Alicia Melgoza-Castillo, Arvind O Panjabi, Alejandro Sanchez-Flores, José Hugo Martínez-Guerrero, Alberto Macías-Duarte, Jesús A Fernandez
Publikováno v:
PLoS ONE, Vol 12, Iss 12, p e0189695 (2017)
We analyzed the diet of Baird's Sparrow (Ammodramus bairdii) and Grasshopper Sparrow (A. savannarum) in three different sites and sampling periods across the Chihuahuan Desert in northern Mexico. DNA from seeds in regurgitated stomach contents was se
Externí odkaz:
https://doaj.org/article/0975623b52a6439d9f289b4cc8c75c65
Autor:
Christian Wehenkel, João Marcelo Brazão-Protázio, Artemio Carrillo-Parra, José Hugo Martínez-Guerrero, Felipe Crecente-Campo
Publikováno v:
PLoS ONE, Vol 10, Iss 10, p e0140442 (2015)
The very rare Mexican Picea chihuahuana tree community covers an area of no more than 300 ha in the Sierra Madre Occidental. This special tree community has been the subject of several studies aimed at learning more about the genetic structure and ec
Externí odkaz:
https://doaj.org/article/9f53c31b639343ffba62fbac5d3f6c1e
Autor:
Christian Wehenkel, João Marcelo Brazão-Protázio, Artemio Carrillo-Parra, José Hugo Martínez-Guerrero, Felipe Crecente-Campo
Publikováno v:
PLoS ONE, Vol 10, Iss 11, p e0143899 (2015)
[This corrects the article DOI: 10.1371/journal.pone.0140442.].
Externí odkaz:
https://doaj.org/article/a340dff566f842d2992efd0cb16b8513
Autor:
Alberto Rodríguez-Maturino, José Hugo Martínez-Guerrero, Isaías Chairez-Hernández, Martín Emilio Pereda-Solis, Federico Villarreal-Guerrero, Marusia Renteria-Villalobos, Alfredo Pinedo-Alvarez
Publikováno v:
Land, Vol 6, Iss 4, p 70 (2017)
A field characterization of the grassland vegetation structure, represented by the coverage of grass canopy (CGC) and the grass height, was carried out during three years (2009–2011) in a priority area for the conservation of grasslands of North Am
Externí odkaz:
https://doaj.org/article/1577e3b0d87f49d892b777ec0b5de9ea
Autor:
José Hugo Martínez Guerrero, Martín Emilio Pereda Solís, Jonathan Vargas, Manuel Armando Salazar Borunda
Publikováno v:
Huitzil, Vol 24, Iss 2 (2023)
Las áreas de reproducción del chorlo nevado (Charadrius nivosus) conocidas en México, se localizan en zonas costeras y en algunos humedales del centro del país. El 7 de mayo de 2022, observamos por primera vez, nueve C. nivosus, con plumaje repro
Externí odkaz:
https://doaj.org/article/e55dfdc0ef324c2baab9fb5df35f7d10
Autor:
José Hugo Martínez Guerrero, Martin Emilio Pereda Solis, Daniel Sierra Franco, Manuel Armando Salazar Borunda, Luis Antonio Tarango Arambula, Erin H. Strasser, Arvind Panjabi
Publikováno v:
Huitzil, Vol 23, Iss 2 (2022)
La distribución de los recursos utilizados por las aves direcciona procesos ecológicos como la selección del hábitat. El objetivo del presente estudio fue comparar durante dos inviernos consecutivos, la selección del hábitat de gorriones de pas
Externí odkaz:
https://doaj.org/article/79e9b4302adc48a28dd7790b690c5794