Results 11 to 20 of about 290,671 (163)

Mapping the density of giant trees in the Amazon. [PDF]

New Phytol
Summary Tall trees (height ≥ 60 m) are keystone elements of tropical forests, strongly influencing biodiversity, carbon storage, and ecosystem resilience. Yet, their density and spatial distribution remain poorly quantified, especially in remote Amazonian regions, limiting our understanding of their ecological roles and contribution to forest–climate ...
de Lima RB, da Silva DAS, Nunes MH, Bittencourt PRL, Groenendyk P, de Oliveira CP, Granato-Souza D, Caraciolo Ferreira RL, Aleixo da Silva JA, Aguirre-Gutiérrez J, Jackson T, de Matos Filho JR, Aparício PDS, da Silva JPG, de Toledo JJ, Guedes MC, de Almeida DRA, Higuchi N, Wagner FH, Ometto JP, Görgens EB.   +20 more
europepmc   +2 more sources

Engaging and strengthening youth through international community-based research: Implementation and evaluation of an International Youth Advisory Board. [PDF]

Am J Community Psychol
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 ...
Craig SL, Brooks AS, Cristobal GS, Hui J, Pelletier H, Pascoe R, Zamorano L, INQYR International Youth Advisory Board.   +7 more
europepmc   +2 more sources

The frequency and importance of polyploidy in tropical rainforest tree radiations. [PDF]

New Phytol
Summary The presence of more than two copies of the genome in an organism, termed ‘polyploidy’, is a crucial force in plant evolution, generating genetic, phenotypic and ecological diversity. [Correction added on 22 January 2026, after first online publication: the preceding sentence has been corrected.] The Amazonian tree flora is the most species ...
Schley RJ, Piñeiro R, Nicholls JA, Gaynor ML, Lewis GP, Fonseca Pezzini F, Dexter KG, Kidner C, Pennington RT, Twyford AD.   +9 more
europepmc   +2 more sources

Effect of the Soil Matric Potential on the Germination Capacity of Prosopis chilensis, Quillaja saponaria and Cryptocarya alba from Contrasting Geographical Origins

Plants, 2022
As a consequence of the megadrought in Central Chile, it is expected that most of the distribution of woody species will be narrowed in the northern limits because of restrictions imposed by soil matric potential on seed germination.
Ángela Faúndez, Carlos R. Magni, Eduardo Martínez-Herrera, Sergio Espinoza, Suraj Vaswani, Marco A. Yañez, Iván Gréz, Oscar Seguel, Betsabé Abarca-Rojas, Iván Quiroz   +9 more
doaj   +1 more source

Dinámica natural y respuesta al raleo de árboles juveniles de lenga (Nothofagus pumilio) en bosques secundarios en Patagonia Sur [PDF]

, 2013
For saw-log production, planned thinning in secondary forests may reduce the time to yield products of a desired size and quality. To explore some options, long-term monitoring plots were established in 1996 in two secondary stands of Nothofagus pumilio (
Martínez Pastur, Guillermo José, Monelos, Lucas, Peri, Pablo Luis   +2 more
core   +3 more sources

Composición, estructura y diversidad de la comunidad arbórea del bosque tropical caducifolio en Tziritzícuaro, Depresión del Balsas, Michoacán, Méxic

Revista Mexicana de Biodiversidad, 2015
Se describe la composición, estructura y diversidad de los árboles del bosque tropical caducifolio enTziritzícuaro, municipio de La Huacana, en la Depresión del Balsas, Michoacán. Se censaron todos los árbolesenraizados dentro de 36 parcelas de 100 m2 (0.
Moisés Méndez-Toribio, Juan Martínez-Cruz, Jorge Cortés-Flores, Francisco Javier Rendón-Sandoval, Guillermo Ibarra-Manríquez   +4 more
doaj   +1 more source

Caracterización del componente arbóreo en ranchos ganaderos de Chiapas

AIA Avances en Investigación Agropecuaria, 2022
Los ranchos ganaderos albergan gran variedad de árboles que pueden ser manejados para generar beneficios (Marinidou y Ferrer, 2010).
Héctor Manuel Gordillo, José Antonio Jiménez-Trujillo, José Antonio Jiménez-Trujillo, Edwin Pérez-Sánchez, Alejandra Martínez-Salinas, Claudia Janeth Sepúlveda López   +5 more
doaj   +1 more source

Historical Linguistics, Linguistics, and Applied Linguistics: A study inspired by trees

Odisea, 2017
: This innovative perspective on historical linguistics, linguistics, and applied linguistics examines these areas of study with the role of trees in mind.
María Del Carmen Arau Ribeiro
doaj   +1 more source

Velocidad de expulsión de semillas de árboles tropicales del tracto gastrointestinal de bovinos y su emergencia

AIA Avances en Investigación Agropecuaria, 2021
La endozoocoria se considera como una interacción ecológica y evolutiva, referida al consumo de los frutos o semillas por lo animales en pastoreo y liberados a través de la materia fecal. De esta forma dichas semillas se  dispersan por el campo.
José Manuel Palma García
doaj   +1 more source

Prediciendo el desempeño académico según el entorno familiar de los estudiantes: evidencia para Colombia usando árboles de clasificación [PDF]

, 2019
Family environment, parental economic and social conditions influence students’ academic performance. However, in Colombia, research and methods that have been used to study these variables are rather limited.
García-González, Juan D., Skrita, Anastasija   +1 more
core   +2 more sources