Results 51 to 60 of about 142,880 (161)

Palynofloras of the Chigua (Devonian) and Malimán (Mississippian) formations from the Precordillera Argentina: age, correlation and discussion of the D/C boundary [PDF]

open access: yes, 2009
Se presenta el análisis cualitativo y cuantitativo de las asociaciones palinológicas obtenidas de las formaciones Chigua (Devónico) y Malimán (Mississippiano), aflorantes en la Cuenca Río Blanco, Precordillera Argentina.
Azcuy, Carlos Leopoldo   +2 more
core  

Bipolar flaking as a component of a supraregional lithic resource base: A comparative study of cores from the Pampean and Northcentral Patagonian Atlantic coasts (Argentina) [PDF]

open access: yes, 2018
Several authors argue that bipolar technology is an expeditious and versatile strategy, efficient for the reduction of small nodules. However, few studies analyze the use of bipolar reduction in relation to the lithic environmental supply. At the Pampean
Banegas, Anahi   +2 more
core   +1 more source

Environmental changes on grass flowering phenological trends (2000–2021)

open access: yesPLANTS, PEOPLE, PLANET, Volume 7, Issue 6, Page 1824-1833, November 2025.
Climate change is impacting the flowering of grasses, which in turn impacts the health of people due to allergic reactions triggered by grass pollen. The timing of flowering was studied for 15 grass species across various habitats in the Cordoba region of Spain.
Moisés Martínez‐Bracero   +5 more
wiley   +1 more source

Analysis of the Websites of Public Secondary Schools of Cantabria (Spain)

open access: yesRevista Iberoamericana sobre Calidad, Eficacia y Cambio en Educación, 2018
With the profound social transformation that has led to the integration of ict in our day to day, modes of communication in the educational world have evolved towards the Internet and towards a networked universe.
Víctor Tardío-Crespo   +1 more
doaj   +1 more source

Detrital-zircon geochronology and provenance of the Ocloyic synorogenic clastic wedge, and Ordovician accretion of the Argentine Precordillera terrane [PDF]

open access: yes, 2015
The Precordillera terrane in northwestern Argentina is interpreted to be anexotic (Laurentian) continental fragment that was accreted to western Gondwanaduring the Ordovician. One prominent manifestation of the subductionand collision process is a Middle?
Astini, Ricardo Alfredo   +3 more
core   +1 more source

Growth–survival trade‐off in temperate trees is weak and restricted to late‐successional stages

open access: yesJournal of Ecology, Volume 113, Issue 11, Page 3466-3477, November 2025.
Our findings highlight a role of disturbances in filtering life‐history strategies and their potential impact on forest dynamics and global carbon cycling, but also a need to better understand the mediating processes of tree demographic trade‐offs.
Kauane Maiara Bordin   +12 more
wiley   +1 more source

El impacto de la violencia anticlerical en la primavera de 1936 y la respuesta de las autoridades

open access: yesHispania Sacra, 2013
Este artículo analiza el alcance y las características de la violencia anticlerical en los meses de febrero a junio de 1936. Se han rastreado diferentes fuentes primarias para realizar una estadística lo más precisa y completa posible de esa violencia ...
Manuel Álvarez Tardío   +1 more
doaj   +1 more source

Herbal folk remedies for animal health in the Netherlands [PDF]

open access: yes, 2006
As a part of their training in herbalism 85 students of the two private schools for natural animal care that exist in the Netherlands were given the assignment to ask farmers, pet owners and animal pension keepers about their traditional remedies.
Beijer, Helen, Van Asseldonk, Drs. Tedje
core  

Soil and water bioengineering: practice and research needs for reconciling natural hazard control and ecological restoration [PDF]

open access: yes, 2018
Soil and water bioengineering is a technology that encourages scientists and practitioners to combine their knowledge and skills in the management of ecosystems with a common goal to maximize benefits to both man and the natural environment.
A. Stokes   +107 more
core   +4 more sources

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