Tourism and economic growth: a meta-analysis of panel data studies

Although for decades it has been acknowledged that tourism likely contributes to economic growth, theoretical models that consider a causal relationship between both are a recent phenomenon. From a sample of 11 studies based on panel data techniques published through to 2011, and for a total of 87 heterogeneous estimations, a metaanalysis is performed by applying models for both fixed and random effects, with the main objective being to calculate a summary measure of the effects of tourism on economic growth. While the results obtained point to a positive elasticity between economic growth and tourism, the magnitude of the effect was found to vary according to the methodological procedure employed in the original studies for empirical estimations

Changes in the juvenile fish assemblage of a Mediterranean shallow Posidonia oceanica seagrass nursery area after half a century

The within-year dynamics of the juvenile fish community in a shallow seagrass-dominated nursery habitat (Posidonia oceanica) in a Mediterranean bay were compared between two surveys separated by 50 years (1960 and 2012-2013). A nocturnal survey over depths ranging from 2 to 10 m over patchy seagrass meadows was conducted for one year (2012-2013) through 72 epibenthic tows spread fortnightly in 4 nearby stations, mimicking a survey conducted in 1960 in terms of sampling intensity, sampling zone, temporal coverage and sampling gear. Although a large proportion of the fish species were similar among surveys, remarkable and statistically significant differences were detected. A striking feature was that one of the most common and abundant Sparidae species currently, Diplodus annularis, did not appear in 1960. Other strong differences included the nonappearance of the European eel Anguilla anguilla in the recent survey. Furthermore, one of the most valuable species for artisanal fisheries in the area, the black scorpionfish Scorpaena porcus, was almost 10 times less abundant in 1960. A finer-scale study of the 2012-2013 survey allowed a quantitative analysis between species composition and potential environmental drivers through redundancy analysis that well described the current pattern of time-dependent recruitment pulses in nearshore meadows of the area throughout the year, with marked effects of surface temperature and photoperiod. The comparison between surveys suggests that some major differences between surveys are not likely to be attributable to interannual stochasticity in recruitment or environmental variability but may be related to i) unaccounted-for habitat transformation and/or ii) the strong decrease in juvenile fishing mortality in this shallow nursery area since the enforcement of bans on littoral epibenthic trawling activities characteristic of this area

Dos interesante novedades corológicas y otras citas de nuevas localizaciones para la flora abulense

Two very important taxa of floristic and chorologic interest: Aster linosyris (L.) Bernh.,and Gymnocarpium dryopteris (L.) Newman are quoted for the first time in Avila (C Spain). We also present new references for other interesting species like Juniperus thurifera L. and Taxus baccata L. Photos and chorologic materials, maps of both discoveries with directions about their location are provided, as well as their coordinates in grids UTM of 10×10 km

Datos sobre los robledales de Quercus robur y Q. pyrenaica mesoéutrofos del sur de Cantabria y norte de Burgos

data about the oak forests of the south of the Autonomic Community of Cantabria and the center and the north of the province of Burgos are aported, with especial attention to the meso-eutrophic forests of Quercus robur and Q. pyrenaica

Energy Management Expert Assistant, a New Concept

In recent years, interest in home energy management systems (HEMS) has grown significantly, as well as the development of Voice Assistants that substantially increase home comfort. This paper presents a novel merging of HEMS with the Assistant paradigm. The combination of both concepts has allowed the creation of a high-performance and easy-to-manage expert system (ES). It has been developed in a framework that includes, on the one hand, the efficient energy management functionality boosted with an Internet of Things (IoT) platform, where artificial intelligence (AI) and big data treatment are blended, and on the other hand, an assistant that interacts both with the user and with the HEMS itself. The creation of this ES has made it possible to optimize consumption levels, improve security, efficiency, comfort, and user experience, as well as home security (presence simulation or security against intruders), automate processes, optimize resources, and provide relevant information to the user facilitating decision making, all based on a multi-objective optimization (MOP) problem model. This paper presents both the scheme and the results obtained, the synergies generated, and the conclusions that can be drawn after 24 months of operation

Perspectiva del estudiantado de Medicina sobre los contenidos LGBT en el curriculum del Grado de Medicina en España en 2019: un estudio observacional transversal

Introduction: Lesbian, gay, bisexual, and transgender (LGBT) individuals face significant barriers in accessing appropriate and comprehensive medical care. The objective of this study is to evaluate the degree of preparedness and comfort autoperceived by spanish medical students and the factors that most determine their learning. Method: An online questionnaire (2019) was distributed to students (n=349) at 41 spanish medical schools. Results: Of 349 survey respondents, 326 were included in the final analysis. Globally, LGBT-related curricular content is taught to 16% (45/282) of medical students. Students often felt prepared addressing human immunodeficiency virus (170/309; 55%) and sexual orientation (149/305; 49%). They felt least prepared discussing barriers to accesing medical care (53/307; 17%) and sex reassignment surgery (61/306; 20%). Medical education helped 26,5% (82/310) of students feel “more prepared” and 22,4% (66/295) of students feel “more comfortable” to care for LGBT patients. Conclusion: sample size doesn’t allow us to make generalizations. However, our results show a trend that generally, Spanish medical students feel as comfortable as students from other countries but less prepared to care for LGBT patients. Interaction with their peers has been shown as the most important source of formation.Introducción: Las personas lesbianas, gays, bisexuales y transexuales (LGBT) se enfrentan a barreras en el acceso a una asistencia médica adecuada. El objetivo de este estudio es evaluar el grado de preparación y comodidad autopercibido del estudiantado de Medicina y los factores que más han determinado su aprendizaje. Métodos: En 2019 se realizó una encuesta online a estudiantes de Medicina de las 43 Facultades de Medicina españolas (n=349). Resultados: De 349 respuestas, 326 fueron finalmente analizadas. Globalmente el contenido referente a la salud de las personas LGBT se enseña a un 16% (45 de 282) de estudiantes de Medicina. Los estudiantes se sienten más preparados para abordar VIH en personas LGBT (170/309; 55%) y orientación sexual (149/305; 49%). Se sintieron menos preparados para abordar las dificultades en el acceso a los servicios de salud por parte de personas LGBT (53/307; 17%) y cirugías de reafirmación de sexo (61/306; 20%). La educación médica ayudó a que el 26,5% (82/310) de los estudiantes se sintiesen más preparados y a que el 22,4% (66/295) se sintiesen más cómodos en el trato con pacientes LGBT. Discusión: el tamaño de nuestra muestra no permite considerar los resultados como generalizables, pero sí que muestra una tendencia de que en general el estudiantado de medicina español, se siente igual de cómodo, pero menos preparado para abordar temas de salud LGBT que los estudiantes de medicina de otros países y que lo que más ha fomentado su formación en este sentido ha sido su interacción con otros estudiantes

Subcutaneous Adipose Tissue Plays A Beneficial Effect On Subclinical Atherosclerosis In Young Survivors Of Acute Lymphocytic Leukemia.

The aim of this study was to evaluate the relationship between body composition, metabolic profile, adipokines, and carotid intima-media thickness (cIMT) in young survivors of childhood acute lymphocytic leukemia (ALL). This cross-sectional study compared 55 ALL survivors, of chronological age between 15 years and 24 years, assigned into two groups according to the exposure to cranial radiation therapy (CRT; 25 irradiated and 30 nonirradiated) with 24 leukemia-free controls, and assessed body fat mass (dual-energy X-ray absorptiometry), computed tomography scan-derived abdominal adipose tissue, lipid profile, blood pressure (BP), adipokines, and cIMT by a multiple regression analysis. Treatment with CRT had an effect on all of the variables derived from the computed tomography scan: visceral adipose tissue (VAT) and subcutaneous adipose tissue (SAT) (P<0.050). In a multiple linear regression model, cIMT positively correlated with exposure to CRT (P=0.029), diastolic BP (P=0.016), and leptin-to-adiponectin ratio (P=0.048), while negatively related to SAT (P=0.007). In young survivors of childhood ALL, CRT modified the distribution of fat and played a critical role in determining cIMT. Leptin-to-adiponectin ratio, a biomarker of abdominal obesity and metabolic syndrome, and diastolic BP also influenced cIMT, a marker of subclinical atherosclerosis. Nonetheless, adiposity-associated vascular disease might be attenuated by SAT. Changes in body fat must be evaluated in this group of patients in the early course of survivorship in order to avoid premature cardiovascular disease associated with atherosclerosis. Yet, further research as regards the possible protective effect of SAT on vascular disease is warranted.11479-48

Un caso de osteopatía craneomandibular con afección de huesos largos en un perro mestizo

La osteopatía craneomandibular es una enfermedad ósea proliferativa que afecta fundamentalmente a huesos de la cabeza de origen endocondral. Suele presentarse en animales jóvenes de pocos meses de edad. El diagnóstico se basa en la sintomatología y hallazgos radiológicos. El tratamiento es sintomático. Consiste en la administración de analgésicos y antiinflamatorios.

History of the Spanish demersal fishery in the Atlantic and Mediterranean Seas

Long fisheries time series allow the review of baselines and inform our knowledge of past events that have conditioned the recent history of the stocks. In this study, we investigated trends in fisheries landings data for the most representative Atlantic and Mediterranean demersal fisheries off the Spanish Iberian Peninsula and the Balearic Islands (1933–1986). The aim was to analyse the evolution of demersal species exploitation and detect changes in landings and fishing tactics. Ten species were selected, which included teleosts, crustaceans, and cephalopods. Results indicated a decrease in Landings Per Unit of Capacity (LPUC) in six of the species examined. While in the Atlantic the process of substitution or incorporation of new species to the fisheries occurs progressively, in the Mediterranean this incorporation occurs simultaneously for many of the species. Four main fishing tactics (landing pattern obtained from the classification analysis of landings per species) were identified. Geographically nearby and connected regions developed similar fishing tactics to each other, and also changed over time. While the fleets from isolated regions were more specialized, and only carrying out one fishing tactic during the study period. Improvements in LPUC with the implementation of new technology and legislative and management measures were not observed.Postprint2,27