Results 101 to 110 of about 655,997 (257)

DNA metabarcoding reveals greater plant diversity than morphological seed analysis of bird feces

open access: yesApplications in Plant Sciences, EarlyView.
Abstract Premise Fruit‐eating birds drive seed dispersal in recovering tropical ecosystems, shaping forest regeneration. Molecular techniques, such as DNA metabarcoding, enable diet analysis from feces and can provide complementary frugivory data where dispersal is infrequent, as well as aid in seed identification in hyper‐diverse regions lacking ...
Carina I. Motta   +3 more
wiley   +1 more source

Simulación computacional de la dispersión de partículas sólidas en la atmósfera utilizando un modelo acoplado [PDF]

open access: yes, 2014
El presente trabajo presenta una técnica de simulación de la trayectoria de partículas sólidas dispersadas en la capa límite atmosférica desde una o varias fuentes puntuales o distribuidas.
Aceñolaza, Pablo Gilberto   +3 more
core  

Unlocking fruit dimensions: Quantification of functional traits driving plant–frugivore interactions

open access: yesApplications in Plant Sciences, EarlyView.
Abstract Fleshy fruits attract animals to ingest fruit, swallow the seeds, and release them in the landscape, thus facilitating seed dispersal and plant regeneration. Attraction of animal dispersers is achieved via attractants such as color or scent, and rewards like sugars, lipids, and micronutrients.
Linh M. N. Nguyen   +4 more
wiley   +1 more source

20 años de investigaciones y aplicaciones en Cuba de los radiotrazadores y el perfilaje en la industria y el medioambiente

open access: yesNucleus, 2015
Las tecnologías de radiotrazadores y de escaneo son herramientas bien consolidadas para el estudio, análisis y evaluación de los procesos industriales y medioambientales. En este trabajo se sintetizan los principales resultados alcanzados por el Grupo de
Jorge I. Borroto Portela   +1 more
doaj  

Fishes of the Tambopata-Candamo reserved zone, southeastern Perú.

open access: yesRevista Peruana de Biología, 2014
A list of fishes found in the Tambopata-Candamo Reserved Zone, Southeastern Peru is presented herein. This fauna includes 36 families, 138 genera and 232 species; characiforms and siluriforms are the main groups, dominating all environments.
Fonchii Chang
doaj   +1 more source

Nuevo material de Macranhinga paranensis (Aves: Pelecaniformes: Anhingidae) del Mioceno Superior de la Formación Ituzaingó, provincia de Entre Ríos, Argentina [PDF]

open access: yes, 2004
Fil: Noriega, Jorge Ignacio. Provincia de Entre Ríos. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción. Universidad Autónoma de Entre Ríos.
Noriega, Jorge Ignacio   +1 more
core  

The morphology of the oval window in Paranthropus robustus compared to humans and other modern primates

open access: yesThe Anatomical Record, EarlyView.
Abstract The oval window (OW) is an opening connecting the inner and middle ear. Its area has been shown to consistently scale with body mass (BM) in primates, and has been used alongside semi‐circular canal (SCC) size to differentiate Homo sapiens and fossil hominins, including Paranthropus robustus.
Ruy Fernandez, José Braga
wiley   +1 more source

The first record of Panthera onca Linnaeus 1758 (Carnivora: Felidae) in the late pleistocene from the province of Entre Ríos, Argentina [PDF]

open access: yes, 2008
Se exhumó la mandíbula de un yaguareté de sedimentos asignables a la Formación Arroyo Feliciano (Pleistoceno tardío; Lujanense) en cercanías a la ciudad de San José, Departamento de Colón, Provincia de Entre Ríos.
Ferrero, Brenda Soledad
core  

Histovariability and fossil diagenesis of Pissarrachampsa (Pseudosuchia, Notosuchia, Baurusuchidae) from the Upper Cretaceous of Southeast Brazil

open access: yesThe Anatomical Record, EarlyView.
Abstract Notosuchians were key components of western Gondwanan Cretaceous ecosystems in terrestrial predator niches and exhibited remarkable taxonomic and ecological diversity. Previous research has explored their physiology, metabolism, and histology, revealing varied growth patterns and life history strategies.
Tito Aureliano   +5 more
wiley   +1 more source

Análisis de riesgo en aprovechamientos de recursos hídricos superficiales para riego de arroz

open access: yesCuadernos del CURIHAM, 2007
Se presenta una síntesis del desarrollo e implementación de los modelos de simulación SIMHUNER y ARHIUNER. SIMHUNER tiene como objetivos simular matemáticamente la respuesta hidrológica de cuencas de aporte y extender series de caudal a partir de series ...
Silvina San Miguel   +3 more
doaj  

Home - About - Disclaimer - Privacy