Results 91 to 100 of about 1,679 (152)

Avances de la Reserva Ecológica del ejido “Progreso” en Tamiahua, Veracruz [PDF]

open access: yes, 2016
La reserva ecológica del ejido “Progreso” del municipio de Tamiahua, Veracruz, tiene varios proyectos de tipo autofinanciable, con los que se intenta establecer un área protegida para la vida silvestre con fines de desarrollo y conservación; a la vez ...
Esperanza Patricia Velázquez Garcia   +4 more
core   +2 more sources

Enfoques basados en el cultivo y la secuenciación Sanger para descubrir la diversidad de endófitos fúngicos de hoja en el neotropical gimnosperma [PDF]

open access: yes
Endophytic fungi play a crucial role in the survival and adaptation of their host plants. In recent decades, unprecedented diversity of endophytic fungi has been reported in angiosperms, but knowledge about this diversity in tropical gymnosperms is ...
Bethancourt, Ariadna   +9 more
core   +2 more sources

Strobilus and seed production of Dioon edule (Zamiaceae) in a population with low seedling density in San Luis Potosí, Mexico [PDF]

open access: yes, 2013
"We describe strobilus and seed development in a Dioon edule (chamal, palma, dameu') population characterized by low seedling and high adult tree density, in order to improve conservation decisions for this endangered cycad species.
Flores Rivas, Joel David   +1 more
core   +1 more source

Sexual pair-formation in a cicada mediated by acoustic behaviour of females and positive phonotaxis of males

open access: yesScientific Reports, 2017
The functions of female song found in a few cicadas have rarely been studied. In the cicada Subpsaltria yangi we investigated the acoustic behaviour and signal structure of songs produced by females, the phonotaxis of males, and mate choice, as well as ...
Zehai Hou   +3 more
doaj   +1 more source

Conceptos taxonómicos, fenología y epifitismo: el caso de Ceratozamia tenuis (Zamiaceae)

open access: yesRevista Mexicana de Biodiversidad, 2018
En este estudio abordamos la identidad taxonómica de Ceratozamia tenuis (Dyer) D. W. Stev. & Vovides, 2016, un binomio que históricamente ha estado relacionado con el concepto taxonómico de C. mexicana Brongn., 1846. Describimos los estadios fenológicos
Lilí Martínez-Domínguez   +3 more
doaj   +1 more source

“All Creatures Yum!!”: Cicada Mania in Southern Indiana

open access: yesEuropean Journal of American Studies
Science and technology studies scholars have discussed the concept of nature within the context of Christian settler hierarchies (Cronon; Haraway; Titon).
Julianne Graper
doaj   +1 more source

Especies invasoras en territorio Español [PDF]

open access: yes, 2011
Treball presentat a l'assignatura de Deontologia i Veterinària Legal ...
Gamboa Arce, Marta   +2 more
core  

Transport d'animals de companyia [PDF]

open access: yes, 2012
Treball presentat a l'assignatura de Deontologia i Veterinària Legal ...
Minguell Timoteo, Laura   +3 more
core  

Dioon spinulosum (Zamiaceae), a Notable Exotic Tree in Camagüey [PDF]

open access: yes, 2018
The identity of a tree cultivated in the city of Camagüey for ornamental purposes was revealed. The tree had become popular due to the inexistence of similar specimens in other gardens of the country. The utilization of botanical methods, like collection
González Sivilla, Roeris   +1 more
core   +1 more source

Los ginkgópsidos: Ginkgo biloba [PDF]

open access: yes, 2019
Ginkgo biloba es el único representante de los ginkgópsidos, grupo de gimnospermas que surgió hace casi 300 millones de años. Se trata de un árbol caducifolio, con hojas flabeladas que crecen en macroblastos y braquiblastos. Es una especie dioica.
Ferriol Molina, María   +1 more
core  

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