Contribución al conocimiento de la flora arvense y ruderal de la provincia de Córdoba

Se presentan las principales novedades obtenidas en el estudio taxonómico y corológico de las "malas hierbas" de la provincia de Córdoba. Se destacan aquí tan sólo 55 tazones de los 900 catalogados, cuya presencia en Córdoba era desconocida o dudosa hasta el presente. Quince de ellos son además nuevos para la flora de Andalucía Occidental, algunos de amplia distribución paleártica o europea como Polygonum patulum Bieb., Lotus tenuis Waldot et Kit. Malvella sherardiana (L.) Jaub. e t Spach, Prunella hyssopifolia L. y Valerianella pum ila (L.) D C. los hay iberoafricanos (Cyanopsis muricata (L.) Dóstal), endemismos ibéricos (Sideritis lacaitae Font Quer y Narcissus fernandesii G. Pedro) y otros de origen híbrido como Amaranthus tarraconensis Sennen et Pau; se encuentran entre ellos también algunos neófitos como Verónica peregrina L. y Brachiaria eruciformis (Sibth. et Sm.) Griseb, así como algunas otras malas hierbas importantes en otras regiones agrícolas como Avena sterilis subsp. ludoviciana (Durieu) N yman y Eleusine indica (L.) Gaertner. Se mencionan por vez primera para la Península Ibérica cinco tazones entre los que están Bromus commutatus subsp. neglectus (Parl.) P. M. Sm. y Digitaria ciliaris (Retz) Koeler. Se confirma la presencia en España de otras seis especies más hasta ahora escasamente citadas. como Atriplex chenopodioides Batt.After an analysis of the litle data found on the chorology of weed and ruderal species, the major results obtained from the taxonomical and chorological study of "weed" in Córdoba are discussed. Between 1980-1983 more than 900 species found in cultivated and uncultivated lands and on the shoulder of the road were catalogued according to location and ecology. Out of these, only 55 taxa which are new or uncertain for Córdoba are described here. Moreover, fifteen are completely new for western Andalusian flora, being widely found in Europe or in the paleartic arca, for example, Polygonum patulum Bieb., Lotus tenuis Waldot & Kit, Malvella sherardiana (L.) Jaub. & Spach. Prunella ffyssopifolia L.. and Valerianella pumila (L.) DC. Some Iberoafrican taxa such as Cyanopsis muricata (L.) Dóstal. were found as well as Iberian endemic like Sideritis lacaitae Font Quer and Narcissus fernandesii G. Pedro or hybrid like Amaranthus x tarraconensis Sennen & Pau: Some neophytes such as Veronica peregrina L. and Brachiaria eruciformis (Sibth. et Sm.) Griseb and weeds like important in other agriculture arcas were also found. Five completely new taxa for the Iberian Peninsula like Bromus commutatus subsp. neglectus(Pan.) P. M. Sm. and Di gitaria ciliaris (Retz) Koeler are also described. The presence in Spain of 6 other species rarely found such as Atriplex chenopodioides Batt. is confirmed

Algunas consideraciones sobre Biscutella L. sect. Laevigatae Malinow. En el Sur de España

Se recogen una serie de consideraciones sobre la taxonomía de Biscutella L. sección Laevigata. proponiendo la subordinación de algunos tazones y matizando el área de distribución de otros.A series of comments on Biscutella L. sec. Laevigata are presented and some nomenclatura' changes and preciseness in distribution arca of the taxa involved have been outlined

Catalogo florístico del Hayedo de Montejo de la Sierra (provincia de Madrid)

Se catalogan cuatrocientas cincuenta y ocho especies procedentes del hayedo de Montejo de la Sierra (Madrid) que cubre una superficie de 122 Has. En este catálogo, más del 50% de los taxones incluidos son nuevos para dicha localidad, cerca de sesenta para el sectororiental del Sistema Central y 15 constituyen novedades para el Sistema Central o para la provin- cia de Madrid. Algunas de estas especies son taxones eurosiberianos que, como Fagus sylvatica, aparecen en Montejo de la Sierra con carácter finícola en su borde meridional. El interfes florístico del monte "El Chaparral" de Montejo de la Sierra queda de esta forma revalorizado. Se incluye un resumen histórico del manejo, propiedad y exploración botánica del área de estudio.Four hundred and fifty eight species of plants from the beech forest at Montejo de la Sierra (Madrid), an area of only 122 Has. have been catalogued. More than fifty percent of these taxa are new for the area; ca. 60 taxa are new for the eastern sector of the Central Montain System, and 15 taxa are new records for the whole Central System or for the province of Madrid. In common with Fagus sylvatica, some of these species belong to the Eurosiberian element and they reach the southern limit of their distribution in this area, this adding an extra floristic interest to the forest of "El Chaparral" at Montejo de la Sierra. The study also includes a historical summary of the management and botanical exploration of the area

Libro rojo de la flora silvestre amenazada de Andalucía. I. Especies en peligro de extinción

Peer reviewe

Mapa epidemiológico transversal de las ataxias y paraparesias espásticas hereditarias en España

Resume: Introducción: Las ataxias (AT) y paraparesias espásticas hereditarias (PEH) son síndromes neurodegenerativos raros. Nos proponemos conocer la prevalencia de las AT y PEH en España en 2019. Pacientes y métodos: Estudio transversal, multicéntrico, descriptivo y retrospectivo de los pacientes con AT y PEH, desde marzo de 2018 a diciembre de 2019 en toda España. Resultados: Se obtuvo información de 1933 pacientes procedentes de 11 Comunidades Autónomas, de 47 neurólogos o genetistas. Edad media: 53,64 años ± 20,51 desviación estándar (DE); 938 varones (48,5%), 995 mujeres (51,5%). En 920 pacientes (47,6%) no se conoce el defecto genético. Por patologías, 1.371 pacientes (70,9%) diagnosticados de AT, 562 diagnosticados de PEH (29,1%). La prevalencia estimada de AT es 5,48/100.000 habitantes, y la de PEH es 2,24 casos/100.000 habitantes. La AT dominante más frecuente es la SCA3. La AT recesiva más frecuente es la ataxia de Friedreich (FRDA). La PEH dominante más frecuente es la SPG4, y la PEH recesiva más frecuente es la SPG7. Conclusiones: La prevalencia estimada de AT y PEH en nuestra serie es de 7,73 casos/100.000 habitantes. Estas frecuencias son similares a las del resto del mundo. En el 47,6% no se ha conseguido un diagnóstico genético. A pesar de las limitaciones, este estudio puede contribuir a estimar los recursos, visibilizar estas enfermedades, detectar las mutaciones más frecuentes para hacer los screenings por comunidades, y favorecer los ensayos clínicos. Abstract: Introduction: Ataxia and hereditary spastic paraplegia are rare neurodegenerative syndromes. We aimed to determine the prevalence of these disorders in Spain in 2019. Patients and methods: We conducted a cross-sectional, multicentre, retrospective, descriptive study of patients with ataxia and hereditary spastic paraplegia in Spain between March 2018 and December 2019. Results: We gathered data from a total of 1933 patients from 11 autonomous communities, provided by 47 neurologists or geneticists. Mean (SD) age in our sample was 53.64 (20.51) years; 938 patients were men (48.5%) and 995 were women (51.5%). The genetic defect was unidentified in 920 patients (47.6%). A total of 1371 patients (70.9%) had ataxia and 562 (29.1%) had hereditary spastic paraplegia. Prevalence rates for ataxia and hereditary spastic paraplegia were estimated at 5.48 and 2.24 cases per 100 000 population, respectively. The most frequent type of dominant ataxia in our sample was SCA3, and the most frequent recessive ataxia was Friedreich ataxia. The most frequent type of dominant hereditary spastic paraplegia in our sample was SPG4, and the most frequent recessive type was SPG7. Conclusions: In our sample, the estimated prevalence of ataxia and hereditary spastic paraplegia was 7.73 cases per 100 000 population. This rate is similar to those reported for other countries. Genetic diagnosis was not available in 47.6% of cases. Despite these limitations, our study provides useful data for estimating the necessary healthcare resources for these patients, raising awareness of these diseases, determining the most frequent causal mutations for local screening programmes, and promoting the development of clinical trials

Euclid. I. Overview of the Euclid mission

The current standard model of cosmology successfully describes a variety of measurements, but the nature of its main ingredients, dark matter and dark energy, remains unknown. Euclid is a medium-class mission in the Cosmic Vision 2015-2025 programme of the European Space Agency (ESA) that will provide high-resolution optical imaging, as well as near-infrared imaging and spectroscopy, over about 14,000 deg^2 of extragalactic sky. In addition to accurate weak lensing and clustering measurements that probe structure formation over half of the age of the Universe, its primary probes for cosmology, these exquisite data will enable a wide range of science. This paper provides a high-level overview of the mission, summarising the survey characteristics, the various data-processing steps, and data products. We also highlight the main science objectives and expected performance

Euclid. I. Overview of the Euclid mission

International audienceThe current standard model of cosmology successfully describes a variety of measurements, but the nature of its main ingredients, dark matter and dark energy, remains unknown. Euclid is a medium-class mission in the Cosmic Vision 2015-2025 programme of the European Space Agency (ESA) that will provide high-resolution optical imaging, as well as near-infrared imaging and spectroscopy, over about 14,000 deg^2 of extragalactic sky. In addition to accurate weak lensing and clustering measurements that probe structure formation over half of the age of the Universe, its primary probes for cosmology, these exquisite data will enable a wide range of science. This paper provides a high-level overview of the mission, summarising the survey characteristics, the various data-processing steps, and data products. We also highlight the main science objectives and expected performance