Observaciones sobre el género Carex en la provincia de León (NW España)

Para completar el catálogo caricológico de la provincia de León (NW España) se incorporan cinco táxones del género Carex (C. diandra, C. muricata subsp. muricata, C. guestphalica, C. umbrosa subsp. umbrosa y C. depressa subsp. depressa) y se eliminan seis (C. paniculata subsp. paniculata, C. vulpina, C. stenophylla, C. hispida, C. puntacta y C. flava) anteriormente citados. También se realizan observaciones sobre ocho especies más, indicando segundas o terceras citas, y concretando su área de distribución. En todos los casos se indica, además del hábitat y el comportamiento fitosociológico, el estado de conservación y, cuando es necesario, se aportan caracteres diagnósticos morfológicos y anatómicos para su correcta identificación. Finalmente, se realiza una valoración de la presencia de los Carex en la provincia.In order to complete and correct the sedges checklist of León province in NW Spain, five new taxa are reported (Carex diandra, C. muricata subsp. muricata, C. guestphalica, C. umbrosa subsp. umbrosa and C. depressa subsp. depressa). Six taxa previously reported are removed from the León checklist (C. paniculata subsp. paniculata, C. vulpina, C. stenophylla, C. hispida, C. puntacta y C. flava). Some comments helping to know the distribution of other very scarce eight species in this area are made. For all of the nineteen taxa, we make some considerations about the habitat, point out the phytosociological behavior, the conservation state, and when necessary, we give some diagnostic characters. Finally, an assessment of the presence of all the sedges living in León province is made

Mathematical skills in undergraduate students. A ten-year survey of a Plant Physiology course

In the health and life sciences, as well as in other scientific disciplines, problem solving depends on mathematical skills. However, significant deficiencies are commonly found in this regard in undergraduate students. In an attempt to understand the underlying causes and to improve students' performance, this paper reports a ten-year survey (2000-2010) on mathematical skills of undergraduate Spanish students enrolled in a Plant Physiology course, based on data from tests performed throughout this time period. The results show that the percentage of correct answers decreases for questions requiring some mathematical skills, particularly those needing some calculations. Interestingly, percentages of failure are similar for both types of questions. These results suggest not only the existence of weaknesses in students' mathematical competency but also a lack of self-efficacy. Additionally, although mathematical questions represented only about 14 % of all the questions and did not show higher discrimination coefficients (0.27 versus 0.29), they demonstrated to be a good predictor of the students final grade

Cartografía detallada y catalogación de Draba Hispanica subsp. Lebrunii P. Monts

Draba hispanica subsp. lebrunii P. Monts. es un endemismo ibérico exclusivo de la Sierra de la Peña (Parque Regional Fuentes Carrionas y Fuente CobreMontaña Palentina). Por presentar una reducida distribución, se catalogó Vulnerable para España, pero tras la revisión para la Lista Roja 2008, resultó En Peligro. En Castilla y León, donde viven sus efectivos, está protegida (anexo II, Decreto de Flora Protegida 63/2007). Para el desarrollo de AFA4, fue seleccionado en el subproyecto piloto “Cartografía detallada de las poblaciones de fl ora vascular amenazada”. Se realizó un seguimiento minucioso en toda el área de distribución, y se censaron todas las poblaciones conocidas. La prospección de los hábitats semejantes resultó en la localización de cuatro nuevas poblaciones: Alto de los Llanos, Pico Rabanal, Peña Blanca, y dos en el Cueto de la Horca. Los efectivos totales, se calcularon mediante censos directos realizados en todas las poblaciones, lo que sirvió de referencia para realizar una estimación global. Con base en todos los datos obtenidos, se reevaluó la categoría de amenaza, y se corroboró la categoría En Peligro afi nando los criterios con los datos de campo. Por último, teniendo en cuenta la georreferenciación precisa que se realizó en todas las poblaciones, se elaboró su cartografía detallada, según la metodología específi ca propuesta en esta fase de AFA. Se calculó el área de ocupación y la extensión de presencia. Se evaluaron algunos factores determinantes en la presencia de este taxon y se realizó una modelización del área potencial de ocupación. Se descartaron todas las localidades de características semejantes situadas fuera de la Sierra de Peña, tras ser visitadas con el fi n de afi nar la extensión de presencia.Draba hispanica Boiss. subsp. lebrunii P. Monts. is an Iberian endemism exclusive from the Sierra de la Peña (Natural Park Fuentes Carrionas y Fuente CobreMontaña Palentina). Because of its reduced distribution, it was cataloged Vulnerable from Spain but, after the revision for the Red List 2008, resulted Endangered. In Castilla y León region, where it lives is protected (annex II of the Act of Protected Flora 63/2007). It was selected under AFA4, for the project scheme “Detailed cartography of threatened vascular fl ora populations”. A meticulous survey was made all over its distribution area, and we took a census in every known population. Furthermore, we prospected similar habitats resulting in the location of four new populations: Alto de los Llanos, Pico Rabanal, Peña Blanca, and two more in Cueto de la Horca. The total amount of specimens was calculated by means of direct census in every population, which served as a reference to make a global estimation. The threaten category was revised in the bases of all the collected data. It was confi rmed as Endangered, and the criteria were completed. Finally, with all sampled data we made a detailed mapping of every population following the methodology proposed in this stage of AFA. The occupation area and extension of presence were calculated. Some determining factors were evaluated for modeling the potential occupation area. All locations with similar features outside Sierra de Peña were dismissed, after our visit in order to complete its extension of presence.Proyecto AFA-4. Ministerio de Medio Ambiente y Medio Rural y Marin

Una visión de la obra y el herbario de Rouy a través del género Carex L.

Se analiza la obra de Georges Rouy, célebre botánico francés, mediante el estudio de sus materiales así como del tratamiento del género Carex (Cyperaceae) en la Flore de France. Se valora favorablemente el conocimiento que el autor demuestra sobre este género, puesto de manifi esto al incluir subgéneros en la clasifi cación taxonómica. Asimismo la sinonimia que propone para cada nombre y las descripciones de los taxones son muy completas. Al contrario, se valora negativamente la excesiva fragmentación que estableció, pues incluyó demasiadas secciones y subsecciones. Finalmente, su rechazo a utilizar las normas nomenclaturales establecidas por el Código de Nomenclatura Botánica conduce a la confusión e impide que la mayoría de sus nombres sean válidos.The George Rouy’s work, a famous French botanist, is studied by means of his material and literature of the genus Carex (Cyperaceae). We assess positively the knowledge that he demonstrated of this genus; because of the subgenera differentiated in his treatment, besides the complete synonymy presented for each name and the taxa descriptions. But he splitted excessively the infrageneric classifi cation including too many sections and subsections. Finally, most of the names he proposed are invalid because of his rejection of the International Code of Botanical Nomenclature recommendations and rules

Compuestos orgánicos presentes en aguas de escombreras de carbón.

Se ha realizado un estudio de la influencia de las aguas acidas de mina en la movilización de los hidrocarburos policidicos aromáticos (PAHs) presentes en las escombreras de carbón. Se observa como dichas aguas acidas disuelven preferentemente a los PAHs de menor peso molecular. También se ha realizado un análisis de riesgos que indica que existe un riesgo real por uso y consumo, en el interior de las viviendas, del agua subterránea. Por último, se han establecido las bases para una técnica pasiva, la foto degradación, de tratamiento de las aguas contaminadas con PAHs presentes en las escombreras de carbón

Aportaciones al conocimiento del género Salix L. (Salicaceae) en la provincia de León (NW España)

The autors have recognized in the studied territory 5 taxa of the Sallo subgenus and 7 of the Vetrix subgenus as well as sixteen hybrids. They consider S. neotricha an independent species from S. fragilis. The following hybrids are described: Salix x expectata, Salim x pormensis, Salim x viridifolia, Sallo x pseudosalvifolia, Salix x longissima, Salix x pseudoelaeagnos, Salim x multidentata and Salix x rijosa. We give the chorology of each taxon in León province on maps with UTM coordinates of 10 km, as well as its phytosociological behaviour. Three dichotomic keys are given in order to identify the taxa of the Salix genus living in León province. These are based on male and female catkins as well as leaf morphology.Los autores han reconocido en el territorio estudiado 5 táxones del subgénero Salix y 7 del subgénero Vetrix así como 16 híbridos. Consideran a S. neotricha una especie independiente de S. fragilis. Se describen los siguientes híbridos: Salix x expectata, Salix x pormensis, Salix x viridifolia, Salix x pseudosalvifolia, Salix x longissima, Salix x pseudoelaeagnos, Salix x multidentata y Salix x rijosa. De cada taxon se aporta la distribución en la provincia de León en base a la cartografía UTM de 10 km de lado, así como su comportamiento fitosociológico. Se aportan tres claves dicotómicas para la diferenciación de los táxones del género Salix en la provincia de León basándose en los amentos masculinos y femeninos, así como la morfología foliar

Designing a minimal reactive goalie for the RoboCup SPL

This paper presents the basic design and implementation of a goalkeeper made according to the regulations of the two-legged Standard Platform League of the RoboCup Federation. The paper describes the perceptive schemas created using the architecture of the TeamChaos-URJC team as well as the action schemes designed to create a minimal reactive goalie. This player was tested in the 2009 German Open international competition. The results obtained there are analyzed and the future works derived from that analysis are presente

Grid site testing for ATLAS with Hammer Cloud

With the exponential growth of LHC (Large Hadron Collider) data in 2012, distributed computing has become the established way to analyze collider data. The ATLAS grid infrastructure includes more than 130 sites worldwide, ranging from large national computing centers to smaller university clusters. HammerCloud was previously introduced with the goals of enabling virtual organisations (VO) and site-administrators to run validation tests of the site and software infrastructure in an automated or on-demand manner. The HammerCloud infrastructure has been constantly improved to support the addition of new test workflows. These new workflows comprise e.g. tests of the ATLAS nightly build system, ATLAS Monte Carlo production system, XRootD federation (FAX) and new site stress test workflows. We report on the development, optimization and results of the various components in the HammerCloud framework

Search for Gravitational Waves Associated with Fast Radio Bursts Detected by CHIME/FRB During the LIGO–Virgo Observing Run O3a

We search for gravitational-wave transients associated with fast radio bursts (FRBs) detected by the Canadian Hydrogen Intensity Mapping Experiment Fast Radio Burst Project (CHIME/FRB), during the first part of the third observing run of Advanced LIGO and Advanced Virgo (1 April 2019 15:00 UTC–1 Oct 2019 15:00 UTC). Triggers from 22 FRBs were analyzed with a search that targets compact binary coalescences with at least one neutron star component. A targeted search for generic gravitational-wave transients was conducted on 40 FRBs. We find no significant evidence for a gravitational-wave association in either search. Given the large uncertainties in the distances of the FRBs inferred from the dispersion measures in our sample, however, this does not conclusively exclude any progenitor models that include emission of a gravitational wave of the types searched for from any of these FRB events. We report 90% confidence lower bounds on the distance to each FRB for a range of gravitational-wave progenitor models. By combining the inferred maximum distance information for each FRB with the sensitivity of the gravitational-wave searches, we set upper limits on the energy emitted through gravitational waves for a range of emission scenarios. We find values of order 1051–1057 erg for a range of different emission models with central gravitational wave frequencies in the range 70–3560Hz. Finally, we also found no significant coincident detection of gravitational waves with the repeater, FRB20200120E, which is the closest known extragalactic FRB

Experiences and Satisfaction of High-Risk Mothers Who Gave Birth in Select Facilities in Legazpi City, Philippines

Among the interventions implemented to curb maternal mortality in the Philippines, service delivery networks (SDNs) have been one of the most important. However, due to their recent implementation, frameworks to assess the quality of care they provide have not yet been established. To address this need, we had formulated the Integrated Patient-Centered Health Service Framework and used it to explore the satisfaction of mothers who gave birth in select facilities Legazpi City Philippines. We conducted key-informant interviews with 14 mothers. We found out that they were satisfied with the quality of care during pre-pregnancy, pregnancy, and post-partum; however, the quality of care during labor and delivery, adherence to referral protocols, and respect for patient‟s autonomy can still be improved. The framework should be used by program managers to have a qualitative measure of quality of care provided by SDNs, as well as to ensure that referral protocols were implemented