Results 31 to 40 of about 1,100,283 (264)

Perspectives and behaviors surrounding planting practices in North America inform genetic conservation realities for American ginseng (Panax quinquefolius)

PLANTS, PEOPLE, PLANET, EarlyView.
American ginseng is a shade‐obligate, North American medicinal plant that is widely traded and used internationally. To meet global demand, ginseng is cultivated in forest farms in the Appalachian region of the USA and field‐based artificial shade farms in two regions: Ontario, Canada and Wisconsin, USA. We conducted social research leveraging in‐depth
Rachel E. Palkovitz, Mary K. Shenk, Eric P. Burkhart   +2 more
wiley   +1 more source

Estructuras aditivas y generalización [PDF]

, 2000
Las matemáticas, tradicionalmente, han sido consideradas como la ciencia de lo abstracto y lo general por excelencia. Esto debido a que sus definiciones, postulados y teoremas no hacen referencia más que a los objetos matemáticos y a las relaciones ...
Obando, Gilberto
core  

According to whom? Spousal, household, and plot differences in improved cassava variety adoption in Nigeria

PLANTS, PEOPLE, PLANET, EarlyView.
Agricultural innovations underpin most investments that aim to increase agricultural productivity globally. Improved crop varieties have historically constituted the bulwark of agricultural innovation outputs and are credited with the success of large‐scale interventions such as the Green Revolution. Much research has shown, however, that gender shapes
Jing Yi, Jeisson Prieto, Elisabeth Garner, Hale Ann Tufan   +3 more
wiley   +1 more source

Cálculo de estructuras continuas: V. 1. Métodos generales : estructuras 1-D y 2-D [PDF]

, 1980
Estas notas, que se publican en dos volúmenes, surgen como resultado de las clases de doctorado que, durante el curso académico 1979-80, impartió Avelino Samartín en la Escuela Técnica Superior de Ingenieros de Caminos, Canales y Puertos de la ...
González de Cangas, José R., Samartín, Avelino   +1 more
core   +1 more source

The most threatened plants receive the least scientific attention

PLANTS, PEOPLE, PLANET, EarlyView.
Plants sustain all life, providing the energetic and structural basis of ecosystems, but they face a growing risk of extinction. Reversing this decline requires an understanding of how scientific knowledge is distributed among species, and identification of the biases and gaps that hinder effective responses to the threats they face. However, we reveal
Renon S. Andrade, Matilda J. M. Brown, Leandro Freitas, Eimear M. Nic Lughadha   +3 more
wiley   +1 more source

Innovación docente en estructuras mediante aprendizaje activo con proyectos de estructuras y técnicas complementarias [PDF]

, 2010
En un grupo de la asignatura Estructuras 2 de la titulación de Arquitecto se ha realizado una experiencia piloto de innovación docente en el segundo cuatrimestre del curso 2008/2009.
Delgado Trujillo, Antonio, Durand Neyra, Percy (Coordinador), Justo Moscardó, Enrique de, Justo Moscardó, Enrique de (Coordinador), Vázquez Carretero, Narciso Jesús (Coordinador)   +4 more
core  

Ecology of reintroduced Rocky Mountain bighorn sheep in Dinosaur National Monument La Ecología de Borrego Cimarron de las Montañas Rocosas Reintroducido en el Monumento Nacional de Dinosaurio

Wildlife Monographs, EarlyView.
We synthesized GPS telemetry, genetic, and pathogen data to evaluate metapopulation processes in a reintroduced Rocky Mountain bighorn sheep (Ovis canadensis canadensis) population in Dinosaur National Monument. We estimated subpopulation‐specific abundances and found 4 small subpopulations with high genetic diversity, partial connectivity, and ...
Sarah L. Carroll, Elizabeth P. Flesch, Salix R. Scoresby, Emily Spencer, Rachel S. Crowhurst, Clinton W. Epps, Nathan L. Galloway, William M. Janousek, Tabitha A. Graves   +8 more
wiley   +1 more source

Relaciones - Propiedades reológicas y estructuras. [PDF]

, 1973
Relaciones, propiedades y estructuras de la reología textil.Peer ...
Schutz, R.A.
core  

Hummingbird interaction niche packing is influenced by species richness and resource availability in the southern tropical Andes

Functional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Niche partitioning is often considered an important mechanism promoting species co‐occurrence in species‐rich communities. As species richness increases, niche partitioning may lead to different niche structures, including increased packing of species niches when the ...
Bryan G. Rojas, Carlos Iván Espinosa, Catherine H. Graham, Boris A. Tinoco   +3 more
wiley   +1 more source

Fronting in Old Catalan: Asymmetries between Narration and Reported Speech1

Transactions of the Philological Society, Volume 123, Issue 1, Page 1-28, March 2025.
Abstract This article explores the distribution, syntax, and information structure of XVS clauses in the narrative text and the reported speech of a thirteenth‐century Old Catalan chronicle, the Llibre dels Fets. It is shown that XVS occurs mainly within reported speech and in embedded clauses.
Afra Pujol i Campeny
wiley   +1 more source