Evaluation of the Agreements of the National Reforestation Program in the Santiago de Quito, Palmira, Pistishi and Compud parishes, Chimborazo Province

The objective of this study was to evaluate the Forest Restoration agreements, by means of sampling the equivalent of 10% of the entire ground surface and 10% of the total land, in which control points were established in order to estimate the planted area; for the verification of land for reforestation, the control points were issued from the central office, which were located in the field with GPS; then the systematization of the data collected in the field was carried out. In the Palmira parish, the area evaluated showed 39.38 ha (74.94%) in which there were indications of planting, and 12.84 ha (26.06%) that did not show signs of planting; 57 farms were evaluated, of which 14 (71.93%) presented evidence of planting and 16 farms (28.07%) had no such evidence. In the Pistishi parish, the area evaluated had 36.27 ha (93.81%) in which there were signs of planting, and 2.39 ha (6.19%) that did not show signs of planting; 29 farms were evaluated, of which 22 (75.86%) presented evidence of planting and 2 (24.14%) had no evidence of planting. The properties evaluated in the Santiago de Quito and Compud parishes were considered for reforestation. Keywords: forest restoration, inventory, biodiversity, reforestation. Resumen El objetivo del trabajo fue evaluar los convenios de Restauración Forestal, mediante un muestreo equivalente al 10% de toda la superficie y el 10% del total de los predios, en los que se establecieron puntos de control con la finalidad de estimar la superficie plantada; para la verificación de predios para la reforestación, desde central fue emitido los puntos de control los mismos que fueron ubicados en campo con GPS; seguidamente se realizó la sistematización de los datos recogidos en campo. En la parroquia Palmira se evalúo un área plantada de 39,38 ha (74,94%) en el que se registró indicios de haberse plantado, 12,84 ha (26,06%) no presento indicios de plantación; se evaluaron 57 predios de los cuales 14 (71,93%) presentó plantaciones y 16 predios (28,07%) no se registra indicios de plantación. En ella Parroquia Pistishi se evalúo un área de 36,27 ha (93,81%) en el que se registró indicios de plantación, 2,39 ha (6,19%) no presento indicios de plantación; se evaluaron 29 predios de los cuales 22 (75,86%) presentó evidencias de plantación y 2 (24,14%) no se registra indicios de plantación. Los predios evaluados en las parroquias Santiago de Quito y Compud fueron consideraron para la reforestación. Palabras clave: restauración forestal, inventario, biodiversidad, reforestación

PIRS: Python-based framework for coupled MC-TH reactor calculations

We develop a set of Python packages to provide a modern programming interface to codes used for analysis of nuclear reactors. Currently implemented interfaces to the Monte Carlo (MC) neutronics code MCNP and thermo-hydraulic (TH) code SCF allow efficient description of calculation models and provide a framework for coupled calculations. In this paper we illustrate how these interfaces can be used to describe a pin model, and report results of coupled MCNP-SCF calculations performed for a PWR fuel assembly, organized by means of the interfaces

An amplitude-phase (Ermakov-Lewis) approach for the Jackiw-Pi model of bilayer graphene

In the context of bilayer graphene we use the simple gauge model of Jackiw and Pi to construct its numerical solutions in powers of the bias potential V according to a general scheme due to Kravchenko. Next, using this numerical solutions, we develop the Ermakov-Lewis approach for the same model. This leads us to numerical calculations of the Lewis-Riesenfeld phases that could be of forthcoming experimental interest for bilayer graphene. We also present a generalization of the Ioffe-Korsch nonlinear Darboux transformationComment: FTC, 11 pp, 5 figure

Precision stellar radial velocity measurements with FIDEOS at the ESO 1-m telescope of La Silla

We present results from the commissioning and early science programs of FIDEOS, the new high-resolution echelle spectrograph developed at the Centre of Astro Engineering of Pontificia Universidad Catolica de Chile, and recently installed at the ESO 1m telescope of La Silla. The instrument provides spectral resolution R = 43,000 in the visible spectral range 420-800 nm, reaching a limiting magnitude of 11 in V band. Precision in the measurement of radial velocity is guaranteed by light feeding with an octagonal optical fibre, suitable mechanical isolation, thermal stabilisation, and simultaneous wavelength calibration. Currently the instrument reaches radial velocity stability of = 8 m/s over several consecutive nights of observation

X-ray Observations of High-B Radio Pulsars

The study of high-magnetic-field pulsars is important for examining the relationships between radio pulsars, magnetars, and X-ray-isolated neutron stars (XINSs). Here we report on X-ray observations of three such high-magnetic-field radio pulsars. We first present the results of a deep XMM-Newton observation of PSR J1734-3333, taken to follow up on its initial detection in 2009. The pulsar's spectrum is well fit by a blackbody with a temperature of 300 +/- 60 eV, with bolometric luminosity L_bb = 2.0(+2.2 -0.7)e+32 erg/s = 0.0036E_dot for a distance of 6.1 kpc. We detect no X-ray pulsations from the source, setting a 1 sigma upper limit on the pulsed fraction of 60% in the 0.5-3 keV band. We compare PSR J1734-3333 to other rotation-powered pulsars of similar age and find that it is significantly hotter, supporting the hypothesis that the magnetic field affects the observed thermal properties of pulsars. We also report on XMM-Newton and Chandra observations of PSRs B1845-19 and J1001-5939. We do not detect either pulsar, setting 3 sigma upper limits on their blackbody temperatures of 48 and 56 eV, respectively. Despite the similarities in rotational properties, these sources are significantly cooler than all but one of the XINSs, which we attribute to the two groups having been born with different magnetic fields and hence evolving differently.Comment: 18 pages, 2 tables, 5 figures, accepted for publication in the Astrophysical Journa