Un retablo en Boadilla de Rioseco (Palencia) de Santiago Carnicero y Tomás Sierra

El ensamblador Santiago Carnicero y el escultor Tomás de Sierra colaboraron en varias obras para la zona de Tierra de Campos entre los años finales del siglo XVII y las primeras décadas del siguiente. En este artículo se da a conocer el retablo de la ermita del Amparo de Boadilla de Rioseco (Palencia) y su proceso constructivo, poniéndolo en relación con algunas otras obras de ambos artistas barrocos.The joiner Santiago Carnicero and the sculptor Tomás de Sierra collaborated in some works in the area of Tierra de Campos between the final years of the XVIIth century and the first decades of the next one. In this article is presented the altarpiece of the Amparo hermitage in Boadilla de Rioseco (Palencia) and its making process, putting it in relation with other Works from both Baroque artists

El escultor Pedro de Bolduque: orígenes y primeras obras

El trabajo pretende ahondar en el conocimiento de los primeros años de Pedro de Bolduque, su nacimiento y formación en el taller de Maestre Mateo de Bolduque, la personalidad artística de su hermano mayor, Juan Mateo de Bolduque, y su participación en distintas obras hasta su asentamiento en Cuéllar (Segovia) a comienzos de la década de los 80 del siglo XVI. Se incluyen algunas aclaraciones sobre los retablos de Capillas (Palencia) y Santa María de Medina de Rioseco (Valladolid), donde estuvo bajo las órdenes de Juan de Juni, los dos principales conjuntos de estos primeros años.This paper tries to go deeper in the knowledge of Pedro de Bolduque's early years, his birth and his training in the workshop of Maestre Mateo de Bolduque, the artistic personality of his older brother, Juan Mateo de Bolduque, and his participation in different works until he settled down in Cuéllar (Segovia) at the beginning of the 80's, 16th Century. There are included some explanations about the altarpieces of Capillas (Palencia) and Santa María in Medina de Rioseco (Valladolid), where he was under the orders of Juan de Juni, the two main works of this early years

Precisiones sobre unas tablas del Maestro de Becerril en Palencia y en Becerril de Campos

Se da a conocer una nueva obra del Maestro de Becerril, activo en Castilla en el primer tercio del siglo XVI. Por otra parte se revela la procedencia de dos de las tablas más importantes de este pintor, localizadas hoy en el Museo Diocesano de Palencia pero originarias de Carrión de los Condes y se determinan algunas de sus fuentes iconográficas.A new work by the Maestro de Becerril, who worked in Castile in the first third of the 16th century, is also revealed. On the other hand, we show the origins of two of his most important panels, housed today in the Diocesan Museum of Palencia, although originally painted in Carrión de los Condes and we establish some of his iconographic sources

Acervo escultórico emigrado. Sobre algunas esculturas del Sagrario de Málaga y la obra de Juan Sáez de Torrecilla

The parish of Santa María del Sagrario of Málaga reopened for cult in 1945, after its complete restoration. Inside it, several altarpieces and sculptures from Becerril de Campos (Palencia) were installed. This article studies those displaced works by identifying their origin and analysing the context of their production, paying special attention to the images and typologies related to Juan Sáez de Torrecilla. Through these works, it is possible to obtain a better understanding of the hybrid and interesting Palencia sculptural landscape between the 16th and 17th centuries.En 1945 se reabrió al culto la parroquia de Santa María del Sagrario de Málaga después de una completa restauración. En ella se instalaron varios retablos y esculturas procedentes de Becerril de Campos (Palencia). Este trabajo estudia aquellas obras emigradas, identifica su origen y analiza su contexto de creación, con especial atención a las tallas y tipologías relacionadas con Juan Sáez de Torrecilla. Gracias a ellas puede entenderse mejor el híbrido e interesante ambiente escultórico palentino en el tránsito entre los siglos XVI y XVII

El crucifijo de las Agustinas Canónigas de Palencia, de Alejo de Vahia

Se da a conocer una nueva obra del prolífico escultor gótico Alejo de Vahía, activo en Becerril de Campos (Palencia) y ubicada en la clausura del convento de las Madres Agustinas Canónigas de Palencia. Además, se analizan el estilo y la tipología de sus crucificados, proponiéndose para esta pieza una cronología algo posterior al año 1500.A new work by the prolific gothic sculptor Alejo de Vahía active in Becerril de Campos (Palencia) is presented. The piece is placed inside the monastery of the closed order of the Agustinas Canónigas in Palencia. The style and typology of Vahia's crucifixes, are also analyzed, proposing for this work a chronology later than the year 1500

Effects of thinning intensity on radial growth patterns and temperature sensitivity in Pinus canariensis afforestations on Tenerife Island, Spain

The final publication is available at Springer via http://dx.doi.org/10.1007/s13595-011-0125-8The suitability of thinning to prevent forest growth decline from global warming has been 25 scarcely tested in the Macaronesian Canary pine (Pinus canariensis Sweet ex Spreng.). We used tree-ring series from dominant, codominant, and overtopped trees to study the 27 effects of thinning intensity on basal area increments (BAI) and climate sensitivity on windward 28 (wet) and leeward (dry) slopes on Tenerife, Canary Islands. Three replicated blocks of control, 29 light thinning, and heavy thinning stands were set on each slope in 1988, and cores were 30 extracted in 2007. Heavy thinning induced growth release and increased BAI, mainly on dominant and 32 codominant trees, whereas light thinning effects were negligible; their impacts were more intense 33 on windward. Temperature sensitivity was hardly affected by thinning on leeward, where climate 34 control was stronger. On windward, thinning enhanced the influence of summer temperatures. 35 Upper crown classes were overall more sensitive, but overtopped trees responded better in 36 summer. Thinning intensity and aspect greatly influence growth on Canary pine afforestations, but 38 individual responses are highly dependent on crown classes. In addition, thinning may be less 39 effective to modify growth conditions on leeward slopes, at least if it is not intense.We thank A. González, S. Lamas, P. Manso, I. Outeda, B. Rodríguez-Morales and A. Soliño for laboratory assistance, N. Muñoz for statistical advice, and two anonymous reviewers for providing valuable comments on the manuscript. The staff of Corona Forestal Natural Park of Tenerife facilitated site accession. We gratefully acknowledge the effort 380 of staff and technicians that designed and executed the thinning experiment in 1988. V. Rozas benefited by a visiting fellowship to the University of La Laguna, funded by Consellería de Innovación e Industria, Xunta de Galicia, and research contracts by INIA-Xunta de Galicia and 383 CSIC. This research was partially funded by Consellería de Innovación e Industria, Xunta de Galicia (PGIDIT06PXIB502262PR) and INIA, Spanish Ministry of Science and Innovation (RTA2006-00117)

San Pedro Martir observations of microvariability in obscured quasars

Fast brightness variations are a unique tool to probe the innermost regions of active galactic nuclei (AGN). These variations are called microvariability or intra-night variability, and this phenomenon has been monitored in samples of blazars and unobscured AGNs. Detecting optical microvariations in targets hidden by the obscuring torus is a challenging task because the region responsible for the variations is hidden from our sight. However, there have been reports of fast variations in obscured Seyfert galaxies in X-rays, which rises the question whether microvariations can also be detected in obscured AGNs in the optical regime. Because the expected variations are very small and can easily be lost within the noise, the analysis requires a statistical approach. We report the use of a one-way analysis of variance, ANOVA, with which we searched for microvariability. ANOVA was successfully employed in previous studies of unobscured AGNs. As a result, we found microvariable events during three observing blocks: in two we observed the same object (Mrk 477), and in another, J0759+5050. The results on Mrk 477 confirm previous findings. However, since Mrk 477 is quite a peculiar target with hidden broad-line regions, we cannot rule out the possibility that we have serendipitously chosen a target prone to variations.Comment: Research note, 5 pages, 2 figures, accepted for publication in Astronomy and Astrophysic

Agrupaciones de empresas según el número de vínculos interorganizativos establecidos mediante el modelo Rasch

La escasez de recursos y capacidades disponibles para hacer frente a la vulnerabilidad de las empresas en los diferentes mercados en los que actúa propicia la búsqueda de vínculos interorganizativos (fusiones, absorciones, participaciones empresariales, asociaciones y contratos de diversos tipos). Estos vínculos deben proporcionar un soporte para el logro de ventajas competitivas. Mediante la aplicación del modelo dicotómico de Rasch se han analizado de forma conjunta dos grupos de variables: las industrias agroalimentarias (IAA) de Canarias y los vínculos interorganizativos que han utilizado en sus acciones estratégicas en los mercados. Se ha tratado de confirmar las relaciones establecidas por la literatura entre tamaño de las empresas, mercados en las que actúan y número de vínculos utilizados. Las conclusiones que se obtienen vienen a confirmar, en general, dichas relaciones destacando especificidades de comportamientos estratégicos que pueden ser explicadas por el tipo de entorno en las que las IAAs desarrollan sus actividades.The scarcity of availability of resources and capacities to face up to the business vulnerability in different markets in which they compete cause the searching of inter organizational links (mergers, takeovers, business participations, joint-ventures and associations of different kinds): Those links would produce a support for the achievement of competitive advantages. We applied the dichotomous Rasch model for a joint analysis of two groups of variables: Agro food industries (IAA) of the Canary Islands and inter organizational links that has been used for their strategies actions in the markets. We try to confirm the relationships provided for the literature between business sizes, competitive markets and number of inter organizational links used. In general, the conclusions obtained confirm those relationships. They point out specificities of the strategy behaviour that could be explained by the type of environment in which the IAAs carrying on their activities