Results 141 to 150 of about 80,664 (261)

EVALUACIÓN DE REQUERIMIENTOS NUTRICIONALES EN VIVERO DE ESPECIES TROPICALES EMPLEADAS EN SILVICULTURA URBANA

open access: yesRevista EIA, 2014
La fertilización es determinante del crecimiento y desarrollo de árboles urbanos. Por ello, estudiamos, mediante la técnica del elemento faltante, los requerimientos nutricionales de cinco especies tropicales usadas en silvicultura urbana (Tabebuia chrysantha, Margaritaria nobilis, Hamelia patens, Apeiba aspera, Cupania americana).
Herrera Ramírez, David Andrés   +6 more
openaire   +2 more sources

Climate‐induced shifts in long‐term tropical tree reproductive phenology: Insights from species dependent on and independent of biotic pollination

open access: yesFunctional Ecology, Volume 40, Issue 5, Page 1286-1298, May 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract The dependence on biotic pollination may constrain plant phenological responses because flowering time ultimately defines reproductive success. We proposed a local‐scale study combining long‐term phenology and experimental data to evaluate how a key functional trait—the
Amanda Eburneo Martins   +3 more
wiley   +1 more source

Intra-specific brood parasitism revealed by DNA micro-satellite analyses in a sub-oscine bird, the vermilion flycatcher Parasitismo intraespecífico revelado mediante análisis de microsatélites de ADN en un ave suboscina, el cardenalito o saca tu real

open access: yesRevista Chilena de Historia Natural, 2008
Extra-pair reproduction is known to occur in many avian species. However, among passerines, the majority of studies on extra-pair reproduction have been carried out in oscine birds from temperate regions. Conversely, sub-oscines species, and particularly,
ALEJANDRO A RÍOS-CHELÉN   +5 more
doaj  

Local extinctions of birds in forest fragments in the Santa Elena region, Central Andes, Colombia [PDF]

open access: yes, 2008
Los registros históricos de la avifauna de la región de Santa Elena (Andes centrales colombianos), realizados entre 1879 y 1952, fueron comparados con los de las aves presentes actualmente en tres fragmentos remanentes de bosque de 41, 129 y 136 ha.
Cataño-Villa, Gabriel J.   +1 more
core   +1 more source

Foraging plasticity and physiological adaptations enable hummingbirds to subsist on dilute nectars

open access: yesFunctional Ecology, Volume 40, Issue 5, Page 1475-1490, May 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Hummingbirds frequently feed on small volumes (<30 μL) of sucrose‐rich nectars. Climate change is expected to affect both the abundance and the concentrations of accumulated nectar.
Rosalee L. Elting   +5 more
wiley   +1 more source

Pteridófitos de Colombia III. Los pteridófitos de la región de Araracuara (Amazonía colombiana)

open access: yesBiota Colombiana, 2000
Los pteridófitos son plantas vasculares que agrupan a los helechos y a las plantas afines, en las que se incluyen a las Equisetaceae, Isoetaceae, Lycopodiaceae, Psilotaceae y Selaginellaceae.
René Armando Alfonso Moreno   +1 more
doaj  

Beyond Janzen's Hypothesis: How Amphibians That Climb Tropical Mountains Respond to Climate Variation. [PDF]

open access: yesIntegr Org Biol, 2023
Bovo RP   +5 more
europepmc   +1 more source

Caracterización de las especies arbóreas presentes en el bosque seco tropical en el norte de Nicaragua del Paisaje Terrestre Miraflor-Moropotente. [PDF]

open access: yes, 2012
El bosque tropical seco en la región norte de Nicaragua ha sufrido gran deterioro, debido a la tala para el establecimiento de áreas para el cultivo de granos básicos y pasto principalmente, quedando solamente pequeños reductos o árboles dispersos ...
Blandón Benavides, Sandra Marcela   +1 more
core  

Landscape features predict broad‐scale seed rain patterns across fragments of the Brazilian Atlantic Forest

open access: yesJournal of Ecology, Volume 114, Issue 5, May 2026.
Along with precipitation, forest cover emerges as a fundamental driver of alpha and beta diversity in the seed rain. This highlights the role of habitat amount at the landscape level over patch‐level features, like patch size, for seed dispersal. However, increased seed density can be related to higher dispersal rates in forest borders.
Luís Felipe Daibes   +63 more
wiley   +1 more source

La vegetación selvática de la región de Gómez Farias, Tamaulipas, México

open access: yesActa Botanica Mexicana, 1995
En este trabajo se presenta un análisis descriptivo de la vegetación selvática, acuática y riparia de la región de Gómez Farías, localizada en el sur del estado de Tamaulipas en un complejo fisiográfico de la Sierra Madre Oriental, entre los 100 y 900 ...
Alfonso Valiente Banuet   +2 more
doaj  

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