Results 61 to 70 of about 532,302 (258)

Densidad cultural en Andalucía

open access: yesRevista de Estudios Andaluces, 1986
En este articulo, queremos poner de manifiesto algunos elementos que hablan de la cultura actual en Andalucia. Queremos tomar conciencia de la otra realidad, tan real como la anterior pero mucho mas cruda. La realidad de la infraestructura educativa y cultural actual para el mundo de hoy que requiere unos elementos diferentes a los del pasado mas o ...
openaire   +4 more sources

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

Dendroenergía a partir de plantaciones de rotación corta con Salix spp.: rendimientos y calidad de biomasa obtenidos en La Plata, Buenos Aires [PDF]

open access: yes, 2017
En este trabajo se estudió un sistema SRC con sauces con los siguientes objetivos: a- determinar el efecto de la composición clonal, la densidad de plantación y el riego complementario sobre la producción de biomasa y b- estudiar la variación de la ...
Achinelli, Fabio Germán   +3 more
core  

Modelo de nicho potencial de las madrigueras de Gopherus flavomarginatus en la Reserva de la Biosfera de Mapimí

open access: yesRevista Mexicana de Biodiversidad, 2015
La tortuga del Bolsón Gopherus flavomarginatus permanece gran parte de su vida dentro de sus madrigueras.Mediante el estudio de las características del hábitat necesarias para la construcción de sus refugios se pueden obtenermodelos de nicho potencial ...
Jorge Luis Becerra-López   +3 more
doaj   +1 more source

Emergence, spread, and impact of high‐pathogenicity avian influenza H5 in wild birds and mammals of South America and Antarctica

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract The currently circulating high‐pathogenicity avian influenza (HPAI) virus of the subtype H5 causes variable illness and death in wild and domestic birds and mammals, as well as in humans. This virus evolved from the Goose/Guangdong lineage of the HPAI H5 virus, which emerged in commercial poultry in China in 1996, spilled over into wild birds,
Thijs Kuiken   +9 more
wiley   +1 more source

La flora arvense en huertos de naranjo ‘valencia’ y su relación con las características del suelo en dos municipios del estado Yaracuy, Venezuela Weed populations in ‘Valencia’ orange groves and their relationship with soil characteristics in two municipalities of Yaracuy State, Venezuela

open access: yesBioagro, 2012
Se caracterizó la flora arvense en el cultivo del naranjo ‘Valencia’ en los municipios Bolívar y Manuel Monje del estado Yaracuy, mediante muestreos de malezas en 236 fincas donde se colectó un total de 506 muestras de 0,5 m² cada una.
Alvaro Anzalone   +2 more
doaj  

Underrepresentation of bats in Africa's protected areas

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Biodiversity is severely threatened globally, with habitat loss and other human pressures accelerating species extinctions. Protected areas (PAs) are a critical conservation tool; however, their effectiveness in safeguarding many taxa, such as bats, remains unclear.
Cecilia Montauban   +9 more
wiley   +1 more source

Physical properties of four ring-porous hardwood species: Influence of wood rays on tangential and radial wood shrinkage [PDF]

open access: yes, 2019
Some relationships between ray proportions, strength and shrinkage properties and basic density in hardwood species were highlighted. A better understanding of their relationships caused by the variation in moisture content in the hygroscopic domain ...
Candelier, Kévin   +4 more
core   +1 more source

Patrones de distribución, abundancia y riqueza de especies de la avifauna terrestre de la isla de La Palma (islas Canarias)

open access: yesGraellsia, 2008
Se estiman los niveles poblacionales, las densidades ecológicas, los principales patrones de preferencia de hábitat, las posibles tendencias demográficas habidas en los últimos 25 y 15 años, y el estatus de conservación actual de las especies de aves ...
L. M. Carrascal, D. Palomino, V. Polo
doaj   +1 more source

Species functional traits affect regional and local dominance across western Amazonian forests

open access: yesJournal of Ecology, Volume 114, Issue 1, January 2026.
Dominant tree species in western Amazonian forests show distinct functional trait combinations linked to habitat type: conservative traits in stressful habitats and greater plant size in less stressful environments. Local dominants are defined by resource conservation strategies and widespread dominants are defined by resource acquisition strategies. A
Laura Matas‐Granados   +45 more
wiley   +1 more source

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