819 resultados para Landscape Archaeology


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Audit report on America’s Agricultural Industrial Heritage Landscape, Inc., d/b/a Silos and Smokestacks National Heritage Area, in Waterloo, Iowa for the years ended December 31, 2011 and 2010

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Functional connectivity affects demography and gene dynamics in fragmented populations. Besides species-specific dispersal ability, the connectivity between local populations is affected by the landscape elements encountered during dispersal. Documenting these effects is thus a central issue for the conservation and management of fragmented populations. In this study, we compare the power and accuracy of three methods (partial correlations, regressions and Approximate Bayesian Computations) that use genetic distances to infer the effect of landscape upon dispersal. We use stochastic individual-based simulations of fragmented populations surrounded by landscape elements that differ in their permeability to dispersal. The power and accuracy of all three methods are good when there is a strong contrast between the permeability of different landscape elements. The power and accuracy can be further improved by restricting analyses to adjacent pairs of populations. Landscape elements that strongly impede dispersal are the easiest to identify. However, power and accuracy decrease drastically when landscape complexity increases and the contrast between the permeability of landscape elements decreases. We provide guidelines for future studies and underline the needs to evaluate or develop approaches that are more powerful.

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Audit report on America’s Agricultural Industrial Heritage Landscape, Inc., d/b/a Silos and Smokestacks National Heritage Area and Silos and Smokestacks Natural Heritage Area Foundation in Waterloo, Iowa for the years ended December 31, 2012 and 2011

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No es exagerado afirmar que, en las últimas décadas, los estudios dedicados a la cultura material de la antigüedad tardía y, en particular, a sus producciones cerámicas, han experimentado un desarrollo acelerado. Este fenómeno se ha traducido en una auténtica explosión de títulos que, con diversa extensión y profundidad, abarcan todas las posibilidades de análisis: desde las monografías de excavación, en las que se describen los repertorios asociados a las formas de vida y trabajo de un asentamiento, hasta las síntesis regionales que abordan cuestiones relacionadas con los mecanismos económicos, culturales y políticos que impulsaron la creación de unos circuitos de intercambio de alcance mediterráneo.

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M. Díaz-Andreu plantea un análisis de las implicaciones académicas, sociales y políticas de la arqueología (entendiendo como tal la investigación estricta, pero también el coleccionismo de obras de arte) entre finales del siglo XVIII y el inicio de la Primera Guerra Mundial, período durante el cual la formación y expansión de los imperios coloniales constituyó uno de los elementos clave en el discurso ideológico de los estados europeos. Su trabajo continúa la línea marcada por estudios suyos anteriores, esencialmente Nationalism and Archaeology in Europe (Díaz-Andreu & T. Champion [eds.], 1996) y Excavating Women. A History in European Archaeology (Díaz-Andreu & M. L. S. Sorensen, 1998), en los que combinaba el análisis historiográfico de diferentes aspectos y personajes clave de la arqueología europea desde la perspectiva de la organización de las redes sociales entre investigadores, con la reflexión sobre las implicaciones de la arqueología como ciencia en la definición y defensa de diferentes credos políticos, y el papel de la mujer en la investigación.

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I am very grateful to Daniella E. Bar-Yosef Mayer and Mary Stiner for their comments on an article I published in the previous issue of Pyrenae. Having spent many years working with coastal sites in South Africa and now settling in the Mediterranean academic landscape, I value the feedback from these two well-known archaeologists who have dedicated years of hard work in this later part of the world. Their opinions are very much appreciated for they allow me to bring new contexts to some of the (old) questions I have pursued in South Africa, an exercise that would help me with the process of broadening my research interests to the Mediterranean region.

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Selostus: Nuoria maita Viikin pelloilla

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This is a story about a highway project near the small town of Wever, Iowa, and an American Indian village that existed at the location prior to the Europeans' arrival. The culture that lived in this village existed in a 10 state region of the Upper Midwest and may have been the ancestors of tribes living in the Midwest when European explorers entered the region. An archaeological recovery of information from the site was undertaken by the Iowa Department of Transportation because four-lane construction of U.S. 61 could not be accomplished without destroying most of the site. This site proved to be one of the richest archaeological finds in the State of Iowa. ǂc Iowa Department of Transportation.

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Selostus: Jokioisten seudun maannokset