Results 51 to 60 of about 6,513 (184)

De la nada a la abundancia

open access: yesRevista médica (Colegio de Médicos y Cirujanos de Guatemala), 2020
In 2014, the most recent resuscitation process began for the oldest health journal that exists in Guatemala, the Medical Journal. For the neophyte, an easy and appealing task. After two months empty-handed, the editorial committee visited universities,
openaire   +2 more sources

Long‐term jaguar demography underscores the ecological value of Amazonian floodplains

open access: yesJournal of Applied Ecology, Volume 63, Issue 7, July 2026.
Our results provide the first estimates of recruitment and apparent survival for Amazonian jaguars, key parameters for guiding conservation. We show that seasonal wetlands—the Amazonian floodplain forest and reported estimates from Pantanal and the Llanos—harbour the highest jaguar densities across the species' range.
Raíssa Sepulvida   +8 more
wiley   +1 more source

Variabilidad espacial y temporal de la abundancia y diversidad de la comunidad de peces en la costa de Campeche, México Spatial and temporal variability of fish community abundance and diversity off the coast of Campeche, Mexico

open access: yesLatin American Journal of Aquatic Research, 2012
La comunidad de peces en el sur del golfo de México es abundante y diversa y sus componentes se encuentran afectados por la captura incidental de la pesquería del camarón siete barbas.
Luis Amado Ayala-Pérez   +4 more
doaj  

Effects of Forest Cover and Seasonality on Several Faunal Groups in Cattle Ranching Landscapes of Los Tuxtlas, Mexico

open access: yesBiotropica, Volume 58, Issue 4, July 2026.
Forest cover within cattle ranches can strongly shape faunal biodiversity. In Los Tuxtlas, Veracruz, Mexico. We show that butterflies, moths, dung beetles, and birds respond differently to forest cover across habitats (pastures vs. forest fragments) and seasons, as a function of their specialization and resource needs.
Lina Adonay Urrea‐Galeano   +6 more
wiley   +1 more source

Una pedagogía de la abundancia

open access: yesRevista Española de Pedagogía, 2011
La digitalización de contenidos, en combinación con una red de distribución global y un sistema abierto para el intercambio, ha provocado cambios radicales en muchas industrias. Tradicionalmente, el modelo de negocio establecido muchas de las industrias basadas en la gestión de contenidos se ha basado en la hipótesis de la escasez.
openaire   +1 more source

Anhelo de abundancia y competencia paterna

open access: yes, 2022
La función paterna está signada por el anhelo de abundancia, para sí y para sus hijos, pero de no orientarlo hacia el don, puede ser el principio de un modelo educativo defectuoso. Las competencias paternas serán la clave, que ayudarán a reconducir a todo padre en la búsqueda de la felicidad filial y satisfacción personal.
openaire   +1 more source

Reef fish assemblages impacted by sponges overgrowing corals

open access: yesEcosphere, Volume 17, Issue 6, June 2026.
Abstract Numerous stressors are driving long‐term declines in coral cover on coral reefs, significantly impacting reef fish biodiversity and community structure. The benthic space made available by declining coral cover is often occupied by increases in other organisms, including macroalgae, encrusting ascidians, and sponges.
Saúl González‐Murcia   +3 more
wiley   +1 more source

Effects of landscape context on avian specialist response to increased surface temperature in protected areas

open access: yesConservation Biology, Volume 40, Issue 3, June 2026.
Abstract Human development is a driver of global change and a major threat to biodiversity. Protected areas maintain and support biodiversity, but outside stressors, such as climate change and land use change, can negatively influence natural resources within protected areas.
Leah J. Rudge   +2 more
wiley   +1 more source

Avifauna del bosque mesófilo de montaña del noreste de Hidalgo, México Avifauna of the tropical montane cloud forest of northeastern Hidalgo, Mexico

open access: yesRevista Mexicana de Biodiversidad, 2007
Este trabajo presenta los resultados de un inventario avifaunístico realizado de 1997 a 1999 en fragmentos de bosque mesófilo de montaña del noreste de Hidalgo, México.
Miguel Angel Martínez-Morales
doaj  

Tree Assemblages in Agroforestry Systems with Different Intensity of Management in Veracruz, Mexico

open access: yesCiencias Ambientales, 2018
The potential of agroforestry systems (AFS) to conserve biological diversity is widely recognized. There are abundant reports about how tree cover complexity within AFS is related to the abundance of several taxa, but there is scant information regarding
Mario J. Gómez-Martínez   +4 more
doaj   +1 more source

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