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Documents disponibles écrits par cet auteur (8)
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Article
Alberto Pina-Ortiz, Auteur ; José Alfredo Castillo-Guerrero, Auteur ; Luis Manuel Enríquez-Paredes, Auteur ; Guillermo Fernández, Auteur ; Salvador Hernandez-Vazquez, Auteur ; Petra Quillfeldt, AuteurBody size can vary across geographical gradients, and these clines have been mainly attributed to temperature (i.e., the heat conservation hypothesis). However, in tropical areas, this pattern is not necessarily fulfilled. Furthermore, it is not[...]
Article
Miriam Lerma, Auteur ; José Alfredo Castillo-Guerrero, Auteur ; Eduardo Palacios, AuteurAbstract. The American Oystercatcher (Haematopus palliatus frazari) is federally listed as endangered in Mexico due to habitat loss and small population size. Recent surveys indicate that the State of Sinaloa supports about half of the breeding [...]
Article
Eduardo Palacios, Auteur ; José Alfredo Castillo-Guerrero, Auteur ; Daniel Galindo-Espinosa, Auteur ; Lucía Alfaro, Auteur ; Edgar Amador, Auteur ; Guillermo Fernández, Auteur ; Jonathan Vargas, Auteur ; Xicoténcatl Vega, AuteurAbstract. The western race of the American Oystercatcher (Haematopus palliatus frazari) is a resident and endangered shorebird of western Mexico. Its breeding population and conservation concerns are poorly known, but recent information indicate[...]
Article
Francisco Santiago-Quesada, Auteur ; Noelia Albano, Auteur ; José Alfredo Castillo-Guerrero, Auteur ; Guillermo Fernández, Auteur ; Erick González-Medina, Auteur ; Juan MANUEL Sánchez-Guzmán, AuteurThe validity of using the phytohaemagglutinin (PHA) test to measure acquired immunity, one of the most widely used methods, is currently being debated due to new knowledge on the complex physiology of the process. As a greater secondary response[...]
Article
José Alfredo Castillo-Guerrero, Auteur ; Miriam Lerma, Auteur ; Eric Mellink, Auteur ; Edith Suazo-Guillen, Auteur ; Erik A. Penaloza-Padilla, AuteurThe Brown Booby Sula leucogaster is a seabird with a pantropical distribution across a wide variety of oceanic environments. Sexual size dimorphism in Brown Boobies has been proposed as an explanation for intersexual differences in foraging, but[...]
Article
Francisco Santiago-Quesada, Auteur ; Noelia Albano, Auteur ; José Alfredo Castillo-Guerrero, Auteur ; Guillermo Fernández, Auteur ; Erick González-Medina, Auteur ; Juan MANUEL Sánchez-Guzmán, AuteurThe validity of using the phytohaemagglutinin (PHA) test to measure acquired immunity, one of the most widely used methods, is currently being debated due to new knowledge on the complex physiology of the process. As a greater secondary response[...]
Article
Erick González-Medina, Auteur ; José Alfredo Castillo-Guerrero, Auteur ; Francisco Santiago-Quesada, Auteur ; Auxiliadora Villegas, Auteur ; José A. Masero, Auteur ; Juan M. Sánchez-Guzmán, Auteur ; Guillermo Fernández, AuteurParental care in long-lived bird species involves a trade-off between the benefits of increasing the effort expended on current offspring and the costs that this represents for future reproductive output. Under regimes of high environmental vari[...]
Article
Erick González-Medina, Auteur ; José Alfredo Castillo-Guerrero, Auteur ; Eric Mellink, AuteurOne main line of thought in life history theory is that investment in offspring must be balanced to minimize negative impacts on adult survival and future breeding. Seabirds have been regarded as fixed investors, although they exhibit a whole gr[...]
