Results 21 to 30 of about 1,406,180 (286)

Casting Activity of Scherotheca gigas in No-Till Mediterranean Soils: Role in Organic Matter Incorporation and Influence of Aridity

open access: yesApplied and Environmental Soil Science, 2010
The behaviour of earthworms, their role in organic matter incorporation into the soil, and the influence of aridity in such processes in arid and semiarid regions have scarcely been studied. In
Paloma Bescansa   +4 more
doaj   +1 more source

Influencia de la actividad física en el medio natural sobre la motivación y las necesidades psicológicas básicas de los estudiantes: una revisión sistemática

open access: yesE-balonmano.com: Revista de Ciencias del Deporte, 2022
Los objetivos del presente estudio fueron: realizar una revisión sistemática sobre las investigaciones que llevaron a cabo una intervención para incrementar la motivación, así como la satisfacción de las necesidades psicológicas básicas de los ...
Jose Antonio Cerrada Nogales   +3 more
doaj   +1 more source

Density-Dependent Prevalence of Francisella tularensis in Fluctuating Vole Populations, Northwestern Spain [PDF]

open access: yes, 2017
Self Archiving; https://wwwnc.cdc.gov/eid/page/copyright-and-disclaimers J.J.L.L., F.M., and R.R.P. held official licenses for trapping wildlife in Spain. Capture permits were provided by the Dirección General del Medio Natural, Junta de Castilla y León.
Anda, Pedro   +9 more
core   +4 more sources

Variation in parrot jaw musculature

open access: yesThe Anatomical Record, EarlyView.
Interspecific morphological differences in some superficial jaw muscles of parrots. Abstract Psittaciformes, the order encompassing parrots and their relatives, are highly diverse and generally known for having a strong beaks used for multiple behaviors. The muscles related to the masticatory apparatus should reflect this functional complexity; however,
Ana Carolina L. Faillace   +3 more
wiley   +1 more source

La responsabilidad civil en las actividades en el medio natural en la Comunidad Autónoma de Cataluña. Medidas de prevención [PDF]

open access: yes, 2012
La utilización del medio natural como área deportiva ha hecho proliferar los cada vez más conocidos “deportes de aventura, de riesgo o en el medio natural” lo que conlleva y provoca el aumento del número de accidentes y, en consecuencia, las denuncias en
Inglés Yuba, Eduard   +1 more
core   +5 more sources

Natural surroundings and physical activities as a basis to a educative project to multidiscipline [PDF]

open access: yes, 2009
Resumen basado en el de la publicaciónSe presenta un proyecto educativo denominado 'Cuaderno Multidisciplinar: Itinerario Barranco del Pasillo' en el que se desarrolla una actividad en el entorno natural.
Beas Jiménez, Manuel   +2 more
core   +1 more source

Broadening the semiaquatic scene: Quantification of long bone microanatomy across pinnipeds

open access: yesThe Anatomical Record, EarlyView.
Abstract Investigations of bone microanatomy are commonly used to explore lifestyle strategies in vertebrates. While distinct microanatomical limb bone features have been established for exclusively aquatic and terrestrial lifestyles, identifying clear patterns for the semiaquatic lifestyle remains more challenging.
Apolline Alfsen   +10 more
wiley   +1 more source

Use of New Technologies to Determine the Locomotion Energy Expenditure and Livestock Activity Patterns of Free-Grazing Sheep in Mountain Pastures

open access: yesAgriculture
This study assessed the daily energy expenditure and activity of sheep in mountain pastures in the Pyrenees (Spain), using Global Positioning System (GPS) and accelerometer data.
Virginia Larraz   +2 more
doaj   +1 more source

La enseñanza sobre el medio y los libros de texto en Andalucía: un análisis de contenido y de concepciones del profesorado

open access: yesRevista Complutense de Educación, 2017
El objetivo de este trabajo es conocer y contrastar la valoración del profesorado sobre los libros de texto como desarrolladores del currículum ooficial y garante de ciertas recomendaciones de la didáctica general y específica.
Francisco Javier López Sánchez   +2 more
doaj   +1 more source

The coelurosaur theropods of the Romualdo formation, early Cretaceous (Aptian) of Brazil: Santanaraptor placidus meets Mirischia asymmetrica

open access: yesThe Anatomical Record, EarlyView.
Abstract The upper carbonate concretion levels of the Romualdo Formation (Aptian, Brazil) have yielded several theropod dinosaur remains, including spinosaurids and the coelurosaurs Santanaraptor placidus and Mirischia asymmetrica, the phylogenetic affinities of which are controversial.
Rafael Delcourt   +4 more
wiley   +1 more source

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