Results 21 to 30 of about 23,740 (182)

Trees Inside and Outside of Forests in Guanacaste, Costa Rica: Comparisons Among Conservation Areas, Fencerows, and Urban Parks

open access: yesBiotropica, Volume 58, Issue 2, March 2026.
We compared the abundance and characteristics of trees in replicated plots across a rural to urban gradient in Guanacaste, Costa Rica. Trees in urban parks, fencerows, and national parks provide complementary benefits and have distinct compositions.
Jennifer S. Powers   +12 more
wiley   +1 more source

Evaluación del potencial nutritivo de especies arbustivas tropicales para la alimentación de cerdos de traspatio

open access: yesCiencia y Tecnología Agropecuaria, 2023
La producción porcina es una de las actividades pecuarias de interés económico de diferentes familias dedicadas a esta actividad pecuaria. La investigación se desarrolló con el objetivo de evaluar la composición nutricional de especies arbustivas ...
Euster Herwinton Alcívar Acosta   +5 more
doaj   +1 more source

Estudio químico y parasitológico de muestras fecales del oso Andino (Tremarctos ornatus) provenientes de 2 reservas ecológicas, 2 zoológicos y un centro de rescate en el Ecuador [PDF]

open access: yes, 2014
The Andean Bear (Tremarctos ornatus), is the only one amongst its species found in South America, and currently listed as an endangered species. Studies have been conducted, however, very little is known about this species.
Luzuriaga Espinosa, María Gabriela
core  

Large‐Scale Forest Restoration Accompanied by Biodiversity Recovery in Costa Rica's Redistributive Payment for Ecosystem Service Program

open access: yesGlobal Change Biology, Volume 32, Issue 2, February 2026.
Transforming recorded sound into meaningful ecological insights requires carefully designed methodologies. This workflow diagram describes the steps of our analysis (contained within circles labeled 1–7), which builds on best practices to correct for potential biases.
Giacomo L. Delgado   +15 more
wiley   +1 more source

Variación estacional de la composición proximal del mejillón Tagelus peruvianus (Bivalvia: Solecurtidae) del Golfo de Nicoya, Puntarenas, Costa Rica

open access: yesRevista de Biología Tropical, 2011
La extracción del mejillón Tagelus peruvianus representa una actividad económica complementaria de los pescadores artesanales, es una de las especies de mayor pesca y consumo ya que son una fuente importante de proteína, minerales y vitaminas esenciales ...
Cristian Fonseca Rodríguez   +4 more
doaj   +2 more sources

Addition of vinegar to extend the shelf-life of "Cabeça de Xara" [PDF]

open access: yes, 2018
Cabeça de xara es un producto de carne listos para comer, cuya producción es muy característica en el Alentejo, una región de Portugal. Es una galantina que generalmente se moldea en forma de paralelepípedo.
Elias, M.   +5 more
core  

An arbuscular mycorrhiza from the 407‐million‐year‐old Windyfield Chert identified through advanced fluorescence and Raman imaging

open access: yesNew Phytologist, Volume 249, Issue 1, Page 448-459, January 2026.
Summary Mycorrhizal associations between fungi and plants are a fundamental aspect of terrestrial ecosystems. Mycorrhizas occur in c. 85% of extant plants, yet their geological record remains sparse. Rare fossil evidence from early terrestrial environments offers crucial insights into these ancient symbioses, but visualizing fossil fungi at the ...
Christine Strullu‐Derrien   +7 more
wiley   +1 more source

Aprovechamiento integral de la semilla de Mangifera indica L. de cuatro variedades cultivadas en el departamento del Tolima [PDF]

open access: yes, 2018
95 p. Recurso Electr?nicoDurante la etapa de postcosecha del cultivo de mango, se generan diferentes residuos que no se aprovechan, ente ellos la semilla.
?vila Rodr?guez, Yalile Consuelo   +1 more
core  

Active (El Saladillo, Murcia) and fossil (Azuaje, Gran Canaria) travertines: similar facies in different geological settings [PDF]

open access: yes, 2016
Comunicación presentada en el IX Congreso Geológico de España, Huelva, 12-14 septiembre 2016.[ES] En este trabajo se compara un travertino de un sistema activo (El Saladillo, Murcia) con uno fósil (Azuaje, Las Palmas) posiblemente Holoceno.
Alonso-Zarza, Ana María   +2 more
core   +1 more source

Landscape and crop diversity contributes to greater yield stability

open access: yesJournal of Applied Ecology, Volume 62, Issue 11, Page 3092-3104, November 2025.
These findings underscore the importance of promoting crop diversity and maintaining heterogeneous agricultural landscapes, particularly in pollinator‐dependent crops. Promoting diverse agricultural landscapes with balanced heterogeneity can enhance the resilience of agricultural systems to climate change and contribute to long‐term food security ...
Estefania Tobajas   +2 more
wiley   +1 more source

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