Results 21 to 30 of about 7,221 (163)

Artists' trees: labourious leisure

open access: yesEGA, 2014
The painting and drawing of complete trees, including all their branches and leaves, in a wholly realistic way is an unreachable goal. As an alternative, artists have opted for taking a part of the tree’s structure as their model, or choosing examples of
Juan Manuel Báez Mezquita
doaj   +1 more source

Caracterización del componente arbóreo en ranchos ganaderos de Chiapas

open access: yesAIA Avances en Investigación Agropecuaria, 2022
Los ranchos ganaderos albergan gran variedad de árboles que pueden ser manejados para generar beneficios (Marinidou y Ferrer, 2010).
Héctor Manuel Gordillo   +5 more
doaj   +1 more source

Velocidad de expulsión de semillas de árboles tropicales del tracto gastrointestinal de bovinos y su emergencia

open access: yesAIA Avances en Investigación Agropecuaria, 2021
La endozoocoria se considera como una interacción ecológica y evolutiva, referida al consumo de los frutos o semillas por lo animales en pastoreo y liberados a través de la materia fecal. De esta forma dichas semillas se  dispersan por el campo.
José Manuel Palma García
doaj   +1 more source

Intoxicación accidental por hojas y frutos de Azadirachta indica A. Juss en bovinos (estudio de caso)

open access: yesAIA Avances en Investigación Agropecuaria, 2021
Azadirachta indica A Juss, conocido como Neem, es un árbol originario de Asia, tiene amplia distribución en el área tropical de México por su fácil adaptación.
Daniel Figueroa Chávez   +2 more
doaj   +1 more source

Key drivers of at‐vessel mortality in demersal sharks

open access: yesConservation Biology, EarlyView.
Abstract Chondrichthyans are highly vulnerable to fisheries overexploitation, and postcapture mortality poses a significant threat to most species. Global bycatch mitigation guidelines recommend adopting hierarchical decision‐making approaches tailored to species‐specific vulnerabilities and socioeconomic and regulatory contexts.
David Ruiz‐García   +3 more
wiley   +1 more source

Differences in characteristics between naturalized threatened plants and other threatened plants

open access: yesConservation Biology, EarlyView.
Abstract Many non‐native plant species introduced by humans have become naturalized. At the same time many species are threatened in their native range. However, the number of plant species threatened in their native range that are naturalized elsewhere remains unknown.
Weihan Zhao   +10 more
wiley   +1 more source

Trait‐based species selection for restoration: A case study from tropical landscapes dominated by bracken

open access: yesJournal of Applied Ecology, Volume 63, Issue 1, January 2026.
Our results can be used by stakeholders to select the species best suited for active restoration projects in bracken‐dominated areas throughout the tropical region. Furthermore, our trait‐based approach, which considers seedling performance in disturbed areas, can serve as a guide for species selection in restoration programmes in other disturbed ...
Silvia C. Gallegos   +8 more
wiley   +1 more source

A new phylogeny of Anastrepha (Diptera: Tephritidae) based on nuclear loci obtained by phylogenomic methods

open access: yesSystematic Entomology, Volume 51, Issue 1, January‐March 2026.
We present an extensive phylogenetic analysis, based on 293 nuclear loci and 728 individuals representing 237 species of Anastrepha, the largest and most economically important New World genus of Tephritidae. The analysis strongly supports the monophyly of most Anastrepha species groups, also revealing previously unknown relationships among species and
Allen L. Norrbom   +19 more
wiley   +1 more source

Actividad física y calidad de vida en el adulto mayor. Una revisión narrativa

open access: yesRevista Habanera de Ciencias Médicas, 2018
Introducción: El estudio de la calidad de vida en ancianos reviste una gran importancia con vistas a mejorar los niveles de salud de este segmento de la población.
Roberto Martín Aranda
doaj  

Phylogenomic insights into helmet evolution in neotropical treehoppers (Hemiptera: Membracidae): Conserved morphological complexity across five subfamilies

open access: yesSystematic Entomology, Volume 51, Issue 1, January‐March 2026.
Phylogenomic analyses of 2539 nuclear loci reveal robust relationships among major Membracidae lineages. Helmet shape complexity shows strong phylogenetic conservatism across genera, tribes and subfamilies. Pronotal modularity evolves across lineages, highlighting the developmental diversity of treehopper morphologies. Abstract We utilized genomic data
Ali Milanca Gutiérrez Aguilar   +4 more
wiley   +1 more source

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