Results 21 to 30 of about 29,839 (158)

Fenología del anillo de crecimiento de Pinus uncinata Ramond y Pinus sylvestris L. en un gradiente altitudinal en los Pirineos Centrales

open access: yesPirineos: Revista de Ecología de Montaña, 1996
[es] En el presente trabajo, describimos el desarrollo y la estructura del anillo anual de crecimiento de Pinus uncinata Ramondy Pinus sylvestris L. en un gradiente altitudinal en los Pirineos centrales. Medimos mensualmente el aumento de la anchura del
J. Julio Camarero   +2 more
doaj   +1 more source

The Cinderella tree, Quillaja saponaria – A soap story

open access: yesPLANTS, PEOPLE, PLANET, Volume 8, Issue 2, Page 439-451, March 2026.
Our current understanding of plants has been shaped by the entwining of different cultures. The Chilean soapbark tree, traditionally valued as a source of natural soap, was shown by serendipitous research in France in the 1900s to produce compounds that can boost the immune response to vaccines.
Anne Osbourn
wiley   +1 more source

Comparison and overlap of sympatric wild ungulate diet in Cazorla, segura and las Villas Natural Park

open access: yesPirineos: Revista de Ecología de Montaña, 2002
[fr] Nous avons étudié le degré de superposition entre la diète du bouquetin (Capra pyrenaica, cerf (Cervus elaphus), daim (Dama dama) et mouflon (Ovis musimon) dans le Parc National de Cazorla, Segura et Las Villas (SE de l'Espagne).
T. Martínez Martínez
doaj   +1 more source

Integrated demographic strategies are more strongly associated with variation in conspecific density dependence than single traits in tropical tree seedlings

open access: yesJournal of Ecology, Volume 114, Issue 2, February 2026.
Species‐specific conspecific negative density dependence (CNDD) varied widely among tropical tree species. CNDD was strongest in fast‐growing species and tall, long‐lived pioneers, weakly related to most functional traits except wood density and strongest in rare species. These results show that integrated life‐history strategies explain CNDD variation
Nohemi Huanca‐Nunez   +5 more
wiley   +1 more source

Edificios en altura másicos y livianos en ciudades-oasis: evaluación térmica y energética de viviendas debajo y sobre la copa de los árboles en Mendoza, Argentina

open access: yesAmbiente Construído
Resumen La forestación urbana en Ciudades-Oasis definen desde el punto de vista ambiental dos estratos en altura: una situación micro-climática moderada debajo la copa de los árboles y una situación extrema sobre la misma.
Julieta Balter   +2 more
doaj   +1 more source

El aprovechamiento tradicional de la dehesa boyal en un área de montaña del centro de España. Puebla de la Sierra (Madrid)

open access: yesEstudios Geográficos, 2003
[es] Se ha estudiado la gestión tradicional de una dehesa boyal localizada en un área montañosa del centro de España, en el municipio madrileño de Puebla de la Sierra, y sus efectos sobres las características del bosque.
Eva Martín Jiménez   +2 more
doaj   +1 more source

¿La disponibilidad del recurso trófico afecta la selección de grietas por Octomys mimax en el Desierto del Monte? [PDF]

open access: yes, 2015
Rocky habitats have a particular microclimate and a highly complex structure, providing sites that mammals can use as dens or as nesting sites to raise their young.
Campos, Valeria Evelin   +4 more
core  

Comunidad liquénica de un bosque en peligro de extinción,con diferentes situaciones de manejo en el centro de Argentina [PDF]

open access: yes, 2014
Se ha estudiado la comunidad de líquenes de un bosque nativo de Espinal de 300 ha bajo diferentes tipos de manejo definidos en sectores: pastoreo temporal, cultivos adyacentes, ajardinado y conservado.
Estrabou, Cecilia   +2 more
core   +1 more source

A new phylogeny of Anastrepha (Diptera: Tephritidae) based on nuclear loci obtained by phylogenomic methods

open access: yesSystematic Entomology, Volume 51, Issue 1, January‐March 2026.
We present an extensive phylogenetic analysis, based on 293 nuclear loci and 728 individuals representing 237 species of Anastrepha, the largest and most economically important New World genus of Tephritidae. The analysis strongly supports the monophyly of most Anastrepha species groups, also revealing previously unknown relationships among species and
Allen L. Norrbom   +19 more
wiley   +1 more source

Engaging and strengthening youth through international community‐based research: Implementation and evaluation of an International Youth Advisory Board

open access: yesAmerican Journal of Community Psychology, Volume 76, Issue 3-4, Page 339-353, December 2025.
Abstract Youth advisory boards are ubiquitous in community‐based research, yet there is limited description of their development or direct benefits to participants within international research contexts. This convergent mixed‐method study describes and evaluates the design and implementation of a bilingual International Youth Advisory Board (IYAB) of ...
Shelley L. Craig   +7 more
wiley   +1 more source

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