Results 1 to 10 of about 183,591 (146)
A new species of Hexacladia Ashmead (Hymenoptera, Encyrtidae) and new record of Hexacladia smithii Ashmead as parasitoids of Dichelops furcatus (Fabricius) (Hemiptera, Pentatomidae) in Argentina [PDF]
Pentatomid adults of the species Dichelops furcatus (F.), collected on stubble of soybean, Glycine max (Linnaeus) Merril, in Santa Fe province of Argentina, were found parasitized by two encyrtid wasp species (Hymenoptera: Encyrtidae).
Javier Torréns +3 more
doaj +5 more sources
Status and global population trend of the Magellanic penguin Spheniscus magellanicus along the Argentine coast [PDF]
The Magellanic penguin Spheniscus magellanicus is one of the emblematic species of the Argentine Atlantic coast, and its population dynamics provide valuable information for coastal ecosystem monitoring.
Jesica D. Hombre +4 more
doaj +2 more sources
What do giant titanosaur dinosaurs and modern Australasian megapodes have in common? [PDF]
Titanosauria is a globally distributed clade of sometimes extremely large Mesozoic herbivorous sauropod dinosaurs. On the basis of current evidence these giant dinosaurs seem to have reproduced in specific and localized nesting sites.
E. Martín Hechenleitner +2 more
doaj +6 more sources
En este trabajo se presenta un método para procesar imágenes para optimizar la calibración de microscopios ópticos Lext Olympus con plantillas. El algoritmo propuesto ya funciona en las escalas de los autocolimadores Nikon, que son similares a las ...
Guillermo Juan Bergues +3 more
doaj +1 more source
Algoritmo de detección e Interfaz gráfica de usuario diseñados en Python para autocolimador digital
En este trabajo se presenta la interfaz gráfica de usuario y se explica el modelo de detección de líneas diseñado en Python para la misma. Luego de los resultados de la calibración del instrumento electrónico se procedió a crear la interfaz gráfica de ...
Guillermo Juan Bergues +2 more
doaj +1 more source
Para simular computacionalmente fuentes sonoras distribuidas espacialmente y lograr sonido tridimensional, se utilizan las funciones de transferencia de cabeza (HRTFs) como filtros.
Martín Mendez +5 more
doaj +1 more source
In high-altitude deserts, the vegetation is spatially structured as a mosaic of patches with vegetation and interpatches of bare soil. Shrub patches create microhabitats that facilitate the persistence of other organisms by ameliorating climate extremes
Natalia I. Yela +4 more
doaj +1 more source
A huge volume of Engraulis ringens (Peruvian anchoveta) is caught together with the species Pleuroncodes monodon (munida), whose potential bioactive lipids are not commercially exploited. In the present study, lipid with carotenoid pigment (astaxanthin)
M. Barriga-Sánchez +4 more
doaj +1 more source
Varroa destructor es un ácaro, considerado el más peligroso que causa graves daños en colmenas de Apis mellifera, como la disminución significativa o muerte total de su población. El uso de aceites esenciales es considerado una alternativa para controlar
Norma Huamán, Guadalupe Silva
doaj +1 more source
Dioecious plants are obligate outcrossers with separate male and female individuals, which can result in decreased seed set with increasing distance between the sexes.
Adriana Aranda-Rickert +6 more
doaj +1 more source

