Results 11 to 20 of about 58,908 (227)

Distance Dependent Contribution of Ants to Pollination but Not Defense in a Dioecious, Ambophilous Gymnosperm

Frontiers in Plant Science, 2021
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, Javier Torréns, Javier Torréns, Natalia I. Yela, María Magdalena Brizuela, María Magdalena Brizuela, Verónica S. Di Stilio   +6 more
doaj   +1 more source

Geastrum species of the La Rioja province, Argentina [PDF]

Mycotaxon, 2013
A survey of Geastrum species from arid lands in the La Rioja province (northwestern Argentina) recovered fourteen species previously unreported from the province: G. arenarium, G. campestre var. famatinum, G. corollinum, G. fimbriatum, G. floriforme, G. glaucescens, G. hieronymi, G. aff. lloydianum, G. pampeanum, G. pampeanum var.
Kuhar, F., Castiglia, V., Papinutti, L.
openaire   +4 more sources

Mineralogy of the Rincón Blanco selenide occurrence, La Rioja, Argentina [PDF]

Journal of Geosciences, 2021
Fil: Marquez Zavalia, Maria Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo.
Marquez Zavalia, Maria Florencia, Galliski, Miguel Angel, Skácha, Pavel, Macek, Ivo, Sejkora, Jiří, Dolnícek, Zdeněk   +5 more
openaire   +2 more sources

Biomechanical evidence suggests extensive eggshell thinning during incubation in the Sanagasta titanosaur dinosaurs [PDF]

PeerJ, 2018
The reproduction of titanosaur dinosaurs is still a complex and debated topic. Their Late Cretaceous nesting sites are distributed worldwide and their eggs display substantial morphological variations according to the parent species.
E. Martín Hechenleitner, Jeremías R. A. Taborda, Lucas E. Fiorelli, Gerald Grellet-Tinner, Segundo R. Nuñez-Campero   +4 more
doaj   +2 more sources

What do giant titanosaur dinosaurs and modern Australasian megapodes have in common? [PDF]

PeerJ, 2015
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, Gerald Grellet-Tinner, Lucas E. Fiorelli   +2 more
doaj   +2 more sources

Not a Sip: Effects of Zero Tolerance Laws on Road Traffic Fatalities. [PDF]

Health Econ
ABSTRACT A substantial proportion of alcohol related fatalities and their consequences are preventable, prompting policymakers to implement measures aimed at reducing these deaths. I exploit time and geographic variation in the adoption of zero‐tolerance laws in a difference‐in‐differences design to study the impact of these regulations on traffic ...
Ramasco A.
europepmc   +2 more sources

Estrellas Riojanas. Geoglifos del norte de la provincia de La Rioja, Argentina [PDF]

Boletín del Museo Chileno de Arte Precolombino, 2019
Ce travail analyse un type particulier d'expressions visuelles préhispaniques du nord de La Rioja. Il s'agit de géoglyphes ou de structures recouvertes de pierres colorées soigneusement sélectionnées. Selon les emplacements proches, le matériau cà © ramique superficiel et les rà © sultats des mesures radiocarbones, ces manifestations plastiques et ...
Adriana Beatriz Callegari, Gisela Spengler, Silvia de   +2 more
openaire   +4 more sources

Influence of Experimental Warming on the Rate and Duration of Fruit Growth and Oil Accumulation in Young Olive Trees (cvs. Arbequina, Coratina)

Plants, 2023
Olive tree cultivation in new warmer areas and climate change have increased the global interest in understanding how air temperature affects both fruit growth and oil accumulation.
Andrea Miserere, Peter S. Searles, M. Cecilia Rousseaux   +2 more
doaj   +1 more source

An update on the distribution and nomenclature of fleas (Order Siphonaptera) of bats (Order Chiroptera) and rodents (Order Rodentia) from La Rioja Province, Argentina

ZooKeys, 2017
The mammalian and flea fauna of La Rioja Province is one of the least known from northwestern Argentina. In this study, the distribution and nomenclature of 13 species of fleas of bats and rodents from La Rioja Province are updated. Four species of fleas
M. Fernanda López Berrizbeitia, R. Tatiana Sánchez, Ruben M. Barquez, M. Monica Díaz   +3 more
doaj   +3 more sources

First record of Eptesicus brasiliensis argentinus Thomas, 1920 (Chiroptera, Vespertilionidae) in Entre Ríos province, Argentina [PDF]

, 2018
Here, we present the first record of Eptesicus brasiliensis argentinus Thomas, 1920 for the province of Entre Ríos, Argentina. This subspecies was originally described as a full species (Eptesicus argentinus) based on its morphological features that ...
Barquez, Ruben Marcos, Díaz, María Mónica, Oviedo, Mirna Cecilia, Sánchez, Rocío Tatiana   +3 more
core   +1 more source