Results 21 to 30 of about 15,616 (118)

Height and phytotelm size affect the invertebrate communities of epiphytic bromeliads in the Amazon rainforest

open access: yesEcological Entomology, Volume 51, Issue 2, Page 221-234, April 2026.
The height at which epiphytic bromeliads are found affects the invertebrate community composition within them. The size of epiphytic bromeliads is positively correlated with species richness of both aquatic and terrestrial invertebrates. Whether bromeliads were found in primary or secondary forest did not have a significant effect on the community of ...
Xaali O'Reilly‐Berkeley   +6 more
wiley   +1 more source

THE FIRST EOCENE BIRD FROM NORTHWESTERN ARGENTINA

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina
A new fossil bird is described from the Upper Lumbrera Formation of Northwestern Argentina. Lumbrerornis rougieri gen. et sp. nov. is represented by three-dimensionally preserved elements of the hindlimb of a single individual. Morphological comparative
Sara Bertelli   +8 more
doaj   +1 more source

Relación de las habilidades sociales y rendimiento académico en la asignatura de física en estudiantes universitarios

open access: yesEcomatemático, 2021
El objetivo de la investigación es identificar la relación que existe entre las habilidades sociales y el rendimiento académico de los estudiantes del programa académico de licenciatura en Matemáticas, inscritos en la asignaturas de Física II y III de la
Janz Jaramillo Benítez   +2 more
doaj   +1 more source

Use of a Cytobrush for Sampling the Ear Canal of Dogs With Otitis Externa

open access: yesVeterinary Dermatology, Volume 37, Issue 2, Page 227-235, April 2026.
Cytological examination of the ear canal is essential for evaluating dogs with otitis externa (OE). The conventional sampling method uses a swab. However, the cytobrush (gynaecological cervical brush), already used for cytological collection from other anatomical sites, has not been adequately investigated for this purpose in dogs with OE.
Nicoly Radaeli Atanasio   +3 more
wiley   +1 more source

Aproximación al uso de los análisis en fresco del camarón como indicador predictivo de su crecimiento en cultivo

open access: yesAquaTechnica, 2022
RESUMEN | Se realizaron análisis de correlación múltiple exploratorio y correlaciones entre las variables del análisis en fresco (Grado de condición de hepatopáncreas, Gregarinas y Epibiontes) y el Incremento Semanal Promedio -ISP- de 76 estanques de ...
Alexander Varela
doaj   +1 more source

Community‐level effects of Müllerian mimicry on pollinator diversity and functioning

open access: yesFunctional Ecology, Volume 40, Issue 3, Page 599-610, March 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Müllerian mimicry, a mutualistic interaction in which harmful species evolve similar warning signals, is often accompanied by niche divergence among mimetic species. While these aspects have traditionally been studied in an evolutionary context, their community‐level ...
Paola Laiolo, José Ramón Obeso
wiley   +1 more source

Relación entre las propiedades edafoclimáticas y la incidencia de sigatoka negra (Mycosphaerella fijiensis Morelet) en la zona bananera del Magdalena-Colombia

open access: yesRevista de Investigación Agraria y Ambiental, 2012
La sigatoka negra (Mycosphaerella fijiensis Morelet) es la enfermedad más limitante del cultivo del banano a escala mundial, su severidad se magnifica a niveles epidémicos y aumenta con el monocultivo de cultivares y clones genéticamente uniformes.
Sonia Esperanza Aguirre Forero   +2 more
doaj   +1 more source

Plant functional diversity does not dilute virus infection, but community virus prevalence positively correlates with net C3 grass production

open access: yesJournal of Ecology, Volume 114, Issue 2, February 2026.
This study examines if plant functional diversity dilutes plant virus prevalence in grass hosts and evaluates how virus prevalence influences net community and host production. Functional diversity did not mitigate or amplify virus prevalence. While we found that species relationships between virus prevalence and production varied, overall, virus ...
Beatriz A. Aguirre   +3 more
wiley   +1 more source

Modelación y correlación entre series temporales de ciclos solares y series pluviométricas del extremo sur patagónico

open access: yesInformes Científicos y Técnicos (Universidad Nacional de la Patagonia Austral), 2018
Hay estudios que avalan el hecho de que los cambios climáticos están relacionados con las variaciones que se producen en la emisión de la radiación solar. En particular, existe evidencia de que en ciertas regiones del planeta el número de manchas solares,
Oscar Bonfili, Dora Maglione, Julio Soto
doaj   +1 more source

Home - About - Disclaimer - Privacy