Results 71 to 80 of about 53,312 (207)

Is it all Phacelia pinnatifida? Molecular delimitations and taxonomic revision of Phacelia sect. Glandulosae in South America based on ddRADseq

open access: yesTAXON, Volume 73, Issue 6, Page 1437-1459, December 2024.
Abstract Phacelia sect. Glandulosae, with ca. 62 taxa, is the most diverse of the 11 sections of the genus Phacelia (Hydrophyllaceae). The family is largely restricted to North and Central America, but the genus Phacelia has an amphitropical distribution with nine species reported from western South America, five of which have been assigned to P. sect.
Maria‐Anna Vasile   +3 more
wiley   +1 more source

Las laderas inestables de Costa Rica

open access: yesRevista Geológica de América Central, 2011
Particular conditions of topography, climate and geology in Costa Rica, make chis country prone to slope instability. At present, this situation has been accelerated by direct or indirect influence of human activity. Inatability is shown by a wide variety of forms, intensities and extention.
openaire   +3 more sources

TMS augmentation strategies reveal gender differences

open access: yesBrain Stimulation, 2022
Kevin M. Kinback, MD   +2 more
doaj   +1 more source

Zonificación de procesos de ladera e inundaciones a partir de un análisis morfométrico en la cuenca alta del río General, Costa Rica

open access: yesInvestigaciones Geográficas, 2019
En países tropicales como Costa Rica, la incidencia de procesos de ladera e inundaciones están condicionados por las lluvias extraordinarias, el tipo de sustrato y su grado de meteorización, la sismicidad, la morfología y la inclinación del terreno.
Adolfo Quesada Román   +1 more
doaj   +1 more source

Amenaza por inestabilidad de ladera ante un lahar en el sector de San José del Sur, Sacramento, Los Ángeles y San Lázaro, Isla de Ometepe-Rivas [PDF]

open access: yes, 2017
La presente investigación tiene como finalidad aportar en la propuesta de escenarios de inestabilidad de ladera al SW del volcán Concepción, teniendo como antecedentes los eventos ocurridos en las comunidades de San José del Sur, Sacramento, San Lazaro y
García Arauz, Aybis Mariela   +1 more
core  

Strain phase equilibria and phase‐field method of ferroelectric polydomain: A case study of monoclinic KxNa1 − xNbO3 thin films

open access: yesJournal of the American Ceramic Society, Volume 107, Issue 12, Page 7692-7710, December 2024.
We established polydomain strain–strain phase diagrams of KxNa1 − xNbO3 thin films using the strain phase equilibrium theory. We identified two types of monoclinic polydomain structures and determined the corresponding formation conditions, the volume fractions of domain variants, and domain wall orientations by employing analytical methods and phase ...
Bo Wang   +3 more
wiley   +1 more source

Early non-improvement may predict final TMS outcomes

open access: yesBrain Stimulation, 2022
Kevin M. Kinback, MD   +2 more
doaj   +1 more source

Control del arrastre de sedimentos post-incendio: efectividad de fajinas en un bosque seco montañoso (Salta, Argentina)

open access: yesEcología Austral, 2017
Los incendios forestales en bosques montañosos pueden modificar las tasas de infiltración y de escorrentía, lo cual aumenta el arrastre de sedimentos ladera abajo.
Andrés Tálamo   +6 more
doaj   +1 more source

Variaciones estacionales en la generación de escorrentía y emisión de sedimentos en una ladera de los Montes de Málaga (provincia de Málaga) [PDF]

open access: yes, 2006
En una ladera representativa de los Montes de Málaga, de antiguo manejo agrícola y actualmente cubierta por vegetación de matorral, se han medido las variaciones estacionales de la generación de escorrentía y la emisión de sedimentos en los distintos ...
Martinez-Murillo, Juan Francisco   +1 more
core   +3 more sources

Conservation status of three rare endemic Phaseolus bean (Leguminosae, Phaseoleae) species of Costa Rica

open access: yesNordic Journal of Botany, Volume 2024, Issue 12, December 2024.
We aimed at an inventory of all populations of wild Phaseolus (bean) species in Costa Rica, in relation to future plant breeding. During the field work in 2003–2018, three new and rare bean species (i.e. P. albicarminus, P. angucianae and P. hygrophilus) were found in different montane forest habitats which originally occupy a small acreage.
Daniel G. Debouck   +2 more
wiley   +1 more source

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