Improved nitrogen uptake and transport from 15N‐labelled nitrate by external hyphae of arbuscular mycorrhiza under water‐stressed conditions

R Tobar, R Azcón, JM Barea - New Phytologist, 1994 - Wiley Online Library
The significance of the external mycelium of arbuscular mycorrhiza for uptake and transport
of N from 15N‐labelled nitrate in benefiting plant nutrition, was evaluated under either well …

[HTML][HTML] Reddening and metallicity maps of the Milky Way bulge from VVV and 2MASS-II. The complete high resolution extinction map and implications for Galactic …

…, E Valenti, D Minniti, M Schultheis, R Tobar… - Astronomy & …, 2012 - aanda.org
Context. The Milky Way bulge is the nearest galactic bulge and the most readily accessible
laboratory for studies of stellar populations in spheroids based on individual stellar …

Physiological and nutritional responses by Lactuca Sativa L. to nitrogen sources and mycorrhizal fungi under drought conditions

R Azcón, M Gomez, R Tobar - Biology and Fertility of soils, 1996 - Springer
We measured the growth, nutrition, and N assimilation of arbuscular-mycorrhizal and non-
mycorrhizal lettuce (Lactuca sativa L.) as affected by forms of N and drought. Moisture was …

Shark: introducing an open source, free, and flexible semi-analytic model of galaxy formation

CP Lagos, RJ Tobar, ASG Robotham… - Monthly Notices of …, 2018 - academic.oup.com
We present a new, open source, free, semi-analytic model (SAM) of galaxy formation, Shark,
designed to be highly flexible and modular, allowing easy exploration of different physical …

The improvement of plant N acquisition from an ammonium-treated, drought-stressed soil by the fungal symbiont in arbuscular mycorrhizae

RM Tobar, R Azcón, JM Barea - Mycorrhiza, 1994 - Springer
The ability of the external mycelium in arbuscular mycorrhiza for N uptake and transport was
studied. The contribution of the fungal symbiont to N acquisition by plants was studied …

ProFit: Bayesian profile fitting of galaxy images

ASG Robotham, DS Taranu, R Tobar… - Monthly Notices of …, 2017 - academic.oup.com
We present ProFit, a new code for Bayesian two-dimensional photometric galaxy profile
modelling. ProFit consists of a low-level c++ library (libprofit), accessible via a command-line …

Hunting for galaxies and halos in simulations with VELOCIraptor

PJ Elahi, R Cañas, RJJ Poulton, RJ Tobar… - Publications of the …, 2019 - cambridge.org
We present VELOCIraptor, a massively parallel galaxy/(sub) halo finder that is also capable
of robustly identifying tidally disrupted objects and separate stellar halos from galaxies. The …

Reddening and metallicity maps of the Milky Way bulge from VVV and 2MASS-III. The first global photometric metallicity map of the Galactic bulge

…, M Zoccali, E Valent, D Minniti, R Tobar - Astronomy & …, 2013 - aanda.org
Aims. We investigate the large-scale metallicity distribution in the Galactic bulge using large
spatial coverage to constrain the bulge formation scenario. Methods. We use the VISTA …

From the far-ultraviolet to the far-infrared – galaxy emission at 0 ≤ z ≤ 10 in the shark semi-analytic model

…, ASG Robotham, JW Trayford, R Tobar… - Monthly Notices of …, 2019 - academic.oup.com
We combine the shark semi-analytic model of galaxy formation with the prospect software
tool for spectral energy distribution (SED) generation to study the multiwavelength emission …

Physical properties and evolution of (sub-)millimetre-selected galaxies in the galaxy formation simulation shark

…, S Fujimoto, GE Magdis, R Tobar - Monthly Notices of …, 2020 - academic.oup.com
We thoroughly explore the properties of (sub)-millimetre (mm) selected galaxies (SMGs) in
the shark semi-analytic model of galaxy formation. Compared to observations, the predicted …