Results 41 to 50 of about 9,374 (187)

Cronologia e variabilidade

open access: yesRevista de Arqueologia, 2017
O objetivo do presente trabalho foi o de promover a comparação de dois contextos arqueológicos no tocante à ocupação por ceramistas Tupiguarani. Trata-se da Zona da Mata mineira, particularmente os sítios pesquisados pela equipe do MAEA-UFJF e o Complexo Lagunar de Araruama, no litoral do Rio de Janeiro, estudado por pesquisadores do Museu Nacional ...
Leandro Elias Canaan Mageste   +1 more
openaire   +1 more source

Tell Me How Much DNA You Have and I'll Tell You What Your Sex Is: Sex Determination by Flow Cytometry of Spiderlings of Allocosa marindia

open access: yesEcology and Evolution, Volume 16, Issue 4, April 2026.
The manuscript addresses the sex determination of spiderlings of the wolf spider Allocosa marindia using flow cytometry. Spiders are born with a defined sex, but it is not possible to determine their sex phenotypically until the adult or near‐adult stage. Sex identification at early stages of development is of great interest for studies in evolutionary
Leticia Bidegaray‐Batista   +4 more
wiley   +1 more source

Variabilidad Climática y Ciclos Naturales

open access: yes, 2011
Academia Nacional de Agronomía y ...
openaire   +2 more sources

Exploring ecohydrology through the lens of local fishers in the Bolivian Amazon

open access: yesEcosphere, Volume 17, Issue 4, April 2026.
Abstract The natural flow regimes of Andean‐Amazon tributaries play a vital role in sustaining their rich biodiversity and productive local fisheries, but ongoing and proposed alteration of river flow regimes by large dams threatens to negatively impact river ecosystems. Despite its importance, our understanding of how hydrologic variability influences
Lina G. Terrazas‐Villarroel   +4 more
wiley   +1 more source

Comportamiento meiótico de diferentes especies de lulo, Solanum sp Meiotic behavior of lulo species, Solanum sp

open access: yesActa Agronómica, 2010
Se realizó un análisis del comportamiento meiótico de las especies de lulo S. hirtum, S. quitoense y S. sessiliflorum, siguiendo la metodología convencional para los estudios de microsporogénesis.
Nancy Maricela Pareja Ordóñez   +3 more
doaj  

Differential effects of agricultural expansion on wild bee taxonomic and functional diversity

open access: yesFunctional Ecology, Volume 40, Issue 4, Page 878-892, April 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Pollinators, especially bees, are in global decline, threatening biodiversity and food security. While intensive agriculture is a primary driver, its impact on bee functional diversity—particularly in the diverse Mediterranean region—remains understudied.
Manuel López‐Aliste   +9 more
wiley   +1 more source

La construcción musical temporal interpersonal en la fila de orquesta

open access: yesEpistemus, 2020
En este trabajo se estudia la construcción temporal de un fragmento musical en una situación espontánea de reinterpretación en fila de orquesta. Tres violistas de fila fueron convocadas para ensamblar en vivo un fragmento musical de 13 compases de la ...
Juliette Epele, Isabel Cecilia Martínez
doaj   +1 more source

¿Variabilidad = Variable?

open access: yes, 2012
Se usan muchas veces conceptos estadísticos sin conocer sus definiciones, sus características y/o sus limitaciones. Una indagatoria con alumnos de nuestra facultad, nos hizo conocer que el concepto de variabilidad no está bien entendido aún en los niveles superiores, donde se estudia estadística.
Suraño, Héctor Orlando   +2 more
openaire   +1 more source

Unravelling the spatial and temporal variability of natural disturbances in European forests

open access: yesJournal of Applied Ecology, Volume 63, Issue 4, April 2026.
The heterogeneity of natural disturbance patterns and high temporal variability across European Forest suggest the need of adopting context‐dependent management strategies tailored to both the dominant disturbance agent and local environmental conditions, particularly in the most vulnerable regions, such as the Iberian Peninsula—with large and frequent
Sofia Miguel   +5 more
wiley   +1 more source

Variabilidad de micrófonos utilizados para análisis acústico de la voz en los últimos veinte años

open access: yesRevista de Investigación e Innovación en Ciencias de la Salud, 2020
Se realizó una reflexión sobre la selección, durante los últimos 20 años, de los micrófonos utilizados en estudios científicos que consideran análisis acústico y que son hechos por profesionales de la voz.
Sebastián Castro-Tighe   +1 more
doaj   +1 more source

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