Results 21 to 30 of about 2,670 (149)

Variación estacional en el herpes zoster [PDF]

, 2009
Objetivo: Determinar si la presentación del herpes zoster en el hospital Dos de Mayo muestra variación estacional. Materiales y Métodos: Se estudiaron casos de herpes zoster atendidos en el hospital Nacional Dos de Mayo de Lima-Perú entre los años 2002 ...
Rueda Alvarez, Mónica Isabel
core  

VARIACIÓN ESTACIONAL DEL EPIFITISMO DEL FITOBENTOS MARINO DE PLAYA GUARDALAVACA, CUBA

Revista de Investigaciones Marinas, 2023
Se presentan las variaciones estacionales del epifitismo de la asociación del fitobentos marino en Playa Guardalavaca. Se encontraron 13 especies de epífitas en el género Halimeda, 12 especies en Rhipocephalus phoenix f.
Carmen R. Zayas, Frank A. Ocaña, Ana M. Suárez, José A. La O   +3 more
doaj  

Evolution of Reproductive Plasticity in a Seasonal Tropical Environment

Ecology Letters, Volume 29, Issue 5, May 2026.
We reveal widespread occurrence of seasonal reproductive plasticity, including reproductive diapause, in Nymphalid butterflies in a seasonal rainforest in the Amazon. This highlights that, not only in temperate but also tropical habitats, seasonality is an important driver of plastic life history strategies. ABSTRACT Seasonality can drive the evolution
Marcus Hicks, Zunilda Escalante‐Arteaga, Lizett Retuerto‐Silva, Jamal Kabir, Tú Minh Au, Sridhar Halali, Geoffrey Gallice, Vicencio Oostra   +7 more
wiley   +1 more source

Electrified rhythms: How hydropower infrastructure transforms hydrosocial relations of riverine communities in the Lower Sogamoso River, Colombia

People and Nature, Volume 8, Issue 3, Page 782-796, March 2026.
Abstract Hydropower dams regulate water flows for millions of downstream inhabitants worldwide, altering water availability. Under a changing climate, flow control is often framed technically and politically as being essential for reducing drought and flood risks. However, it can also disrupt ecological flows, impact livelihoods and erode environmental
Laura Betancur‐Alarcón, Laura Pulgarín‐Morales, Camila Jiménez‐Saénz, Rossella Alba, Tobias Krueger   +4 more
wiley   +1 more source

Variación Estacional de Infestaciones Parasitológicas en Medios de Transporte Interprovincial Huacho- Lima Durante el Año 2010.

, 2011
Investigación de tipo descriptivo comparativo, tuvo como propósito generar una base de datos fiable para el abordaje de la prevención de las enfermedades parasitarias, planteándose para ello determinar la variación estacional de infestaciones ...
Cotos Durán, Desiderio Elías, Velásquez Oyola, Margarita Betzabé, Benites Requena, Eduardo Sigifredo   +2 more
core   +1 more source

Movement Strategies of Neotropical Nectarivorous Birds: Insights From High‐Andean Hummingbirds and Flowerpiercers

Biotropica, Volume 58, Issue 1, January 2026.
Nectar is a highly variable, mostly unpredictable resource in tropical mountains. How do nectarivorous birds such as this male Great Sapphirewing cope? Fine‐scaled tracking of hummingbirds and flowerpiercers shows flexibility in daily movement strategies in the high Andes, possibly in response to fluctuating local conditions such as weather and ...
Cristina Rueda‐Uribe, Pedro A. Camargo‐Martínez, Jonathan Espitia, Manuela Lozano‐Rocha, Juan Pablo Ríos, María Ángela Echeverry‐Galvis, Lesley T. Lancaster, Isabella Capellini, Justin M. J. Travis, Alejandro Rico‐Guevara   +9 more
wiley   +1 more source

Estimación del régimen de precipitación a partir de la distancia a la cordillera en el noroeste de la Patagonia

Ecología Austral, 1995
Se elaboraron modelos de regresión para el sector NO de Chubut (16000 km2 ) que permiten estimar la precipitación media anual y estacional y el coeficiente de variación interanual a partir de la distancia a la cordillera de los Andes.
Esteban G. Jobbágy, José M. Paruelo, Rolando J.C. León   +2 more
doaj  

White‐tailed deer habitat use and implications for chronic wasting disease transmission Uso del hábitat del ciervo de cola blanca e implicaciones para la transmisión de la caquexia crónica

Wildlife Monographs, Volume 217, Issue 1, July 2025.
White‐tailed deer habitat use, activity, and attraction to conspecifics is highly variable between sexes and seasons. In this study, we leverage an unprecedented dataset from Wisconsin to illustrate how deer respond to changing physiological and social needs through the course of year.
Marie L. J. Gilbertson, Alison C. Ketz, Matthew A. Hunsaker, Daniel P. Walsh, Daniel J. Storm, Wendy C. Turner   +5 more
wiley   +1 more source

Variación Estacional del Peso vivo en Machos Caprino Criollo, en el Sur de Mendoza / Seasonal variation of live weight in Criollo bucks, in Southern Mendoza

Ciencia Veterinaria, 2019
El objetivo del presente trabajo fue evaluar la variación del peso vivo de machos caprinos Criollo, estudiados dentro del Plan Castrón, al inicio y al final del período de servicio, en la zona sur de Mendoza.
Patricio Mario Dayenoff, Pablo Dri, Javier Macario, Ramón Poblete   +3 more
doaj   +1 more source

High soil moisture triggers negative plant–soil feedbacks in a tropical forest

Functional Ecology, Volume 39, Issue 6, Page 1469-1482, June 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Plant‐microbial interactions help stabilize coexistence and shape ecological communities. These interactions are sensitive to abiotic conditions, but how they may be affected by environmental change is unknown.
Valerie R. Milici, Javier Ballesteros, Robert Bagchi   +2 more
wiley   +1 more source