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Mostrando ítems 91-100 de 133
Artículo
Stones resting on the top soil cause heterogeneous patterns of fire-induced water repellency
(2014)
Depending on soil and fire characteristics, soil water repellency (SWR) may be induced, enhanced or destroyed by burning. The spatial pattern of SWR may be extremely heterogeneous as a consequence of the temperature peaks, ...
Artículo
Spatial models for monitoring the spatio-temporal evolution of ashes after fire-a case study of a burnt grassland in Lithuania
(2013)
Ash thickness is a key variable in the protection of soil against erosion agents after planned and unplanned fires. Ash thickness measurements were conducted along two transects (flat and sloping areas) following a ...
Artículo
Do stones modify the spatial distribution of fire induced soil water repellency? Preliminary data
(FUEGORED, 2013)
Water repellency is a property of many fire-affected soils that contributes to delayed wetting rates and shows many hydrological and geomorphological consequences. Fire-induced soil water repellency (SWR) may be modulated ...
Ponencia
La equivalencia de las ideas previas en Ciencias de la Tierra en el ámbito europeo e internacional
(Copiarte, 2013)
El objeto de este trabajo es comparar las ideas previas sobre algunos aspectos de las Ciencias de la Tierra de los estudiantes de la Facultad de Ciencias de la Educación de la Universidad de Sevilla con las de niños y ...
Artículo
El tipo de vegetación y la presencia de cenizas como factores en la evolución temporal de la repelencia al agua tras un incendio forestal
(FUEGORED, 2013)
Tras un incendio forestal, el fuego puede inducir la aparición de repelencia al agua del suelo. La repelencia al agua del suelo puede variar en el espacio y el tiempo en función de la vegetación, la presencia de cenizas ...
Tesis Doctoral
Evaluation of soil degradation and land capability in Mediterranean areas under climate and management change scenarios (Andalusia region, Spain and El-Fayoum province, Egypt)
(2014-12-10)
La población mundial actual es de unos siete mil millones y superará los nueve mil millones en 2050. Se espera que esto conduzca a un aumento de la demanda de alimentos. El área total de la superficie terrestre incluye ...
Artículo
Benthic foraminifera as bioindicators of anthropogenic impacts in two North African Lagoons: A comparison with ostracod assemblages
(Centro Geociencias Universidad Nacional Autónoma de México, 2012)
Numerous investigations have used the foraminiferal assemblages or species as bioindicators. This paper tests the responses of these microorganisms to different environmental changes (heavy metal pollution, treatment ...
Artículo
Limitations of the Standard Procedure for the Evaluation of Marble and Limestone for Use in Construction: A Critical Analysis and Proposal for Modification
(Aedificatio Publishers, 2011)
The selection of natural stone for each specific use must be based on determinations which assess their technical quality and ensure their suitability for the environment in which they will be utilized. Among the criteria ...
Capítulo de Libro
Evolução do coberto vegetal em cenário pós incêndio. Caso de estudo - Tavira - São Brás de Alportel 2012 (Portugal)
(Universidade do Minho, 2013)
Neste estudo pretende-se analisar a evolução da vegetação em cenário pós incêndio, recorrendo à utilização de índice s de vegetação aplicados às imagens Landsat7 de Abril e Dezembro de 2012 e Março de 2013 . A área de ...