Results 51 to 60 of about 419,099 (196)

Variación espacial y temporal de juVeniles de Pinctada imbricata (röding, 1798) y argoPecten nucleus (Born, 1778) en la región norte del cariBe colomBiano

open access: yes, 2016
In order to know the response of this group of organisms to changes in hydrographic conditions, spatial (regions, bays, depths) and temporal (climatic periods) variation in the juveniles abundance of two species with potential economical use in the ...
C. Castellanos, N. Campos
semanticscholar   +1 more source

Variación espacial y temporal de larvas de peces en una bahía hipersalina del Caribe colombiano

open access: yesBulletin of Marine and Coastal Research, 2018
Spatial distribution patterns and the diversity of organisms are the result of evolution, biogeography and the interaction between the local abiotic and biotic factors that operate at different temporal and spatial scales.
Juan José Gallego Zerrato, Alan Giraldo
semanticscholar   +1 more source

CALIDAD DEL AGUA EN EL ÁREA COSTERA DE SANTA MARTA (COLOMBIA)

open access: yesDyna, 2012
Se usaron técnicas de análisis estadístico multivariado, para determinar la variación temporal y espacial de la calidad del agua en la zona costera de Santa Marta, donde se ubica un emisario submarino que descarga 1 m3/s de aguas residuales domésticas ...
FRANCISCO GARCÍA   +2 more
doaj  

High and dry: Environmental conditions drive opportunities for disease transmission in desert bighorn sheep

open access: yesJournal of Applied Ecology, Volume 63, Issue 7, July 2026.
By using probabilistic models to predict contacts as a function of spatially and temporally varying environmental conditions, we show that population‐level conditions at the time of disease introduction can structure opportunities for transmission within each population.
Diana K. Meza   +10 more
wiley   +1 more source

La escala y su importancia en el análisis espacial

open access: yesEcosistemas, 2006
La escala y su importancia en el análisis espacial. El concepto de escala subyace a cualquier cometido de análisis espacial en ecología debido a que la heterogeneidad ecológica depende de la escala.
D. García
doaj  

What's there beyond the sun and the sea? Detecting tourists' interest towards nature in a mass tourism destination using social media data

open access: yesPeople and Nature, Volume 8, Issue 6, Page 1802-1816, June 2026.
Abstract Nature‐based tourism is a rapidly growing subsector of the international tourism industry. However, capturing broad‐scale patterns of nature visits during touristic trips or visitors' appreciation of nature may be difficult using traditional data sources and methods. In this study, we harness geotagged social media data to understand the scale
Matti Hästbacka   +4 more
wiley   +1 more source

Variabilidad geográfica de las hospitalizaciones por infarto agudo al miocardio en Costa Rica

open access: yesPoblación y Salud en Mesoamérica, 2014
La presente investigación muestra los patrones geográficos de las hospitalizaciones por infarto agudo al miocardio en el seguro público de salud de Costa Rica en el trienio 2010-2012.
Melvin Morera Salas
doaj   +3 more sources

Variación espacial de la composición de 222Rn en los acuíferos Barva y Colima Superior, Costa Rica

open access: yes, 2016
Radon (222Rn) is a useful natural-occurring tracer to elucidate groundwater to surface water connectivity with important implications for human health.
Ricardo Sánchez-Murillo
semanticscholar   +1 more source

Functional homogenization of terrestrial mammals outside protected areas in the Hengduan Mountains, China

open access: yesConservation Biology, Volume 40, Issue 3, June 2026.
Abstract Despite the crucial role of human impacts on biodiversity loss, many assessments of this loss focus on single metrics, such as species richness, and overlook the multidimensional effects of human activities. Because of its importance to ecosystem functioning, we investigated the functional diversity of medium‐ and large‐sized mammal ...
Xueyou Li   +8 more
wiley   +1 more source

Pobreza y segregación racial en la financiación gubernamental de los servicios asistenciales estadounidenses

open access: yesBoletín de la Asociación de Geógrafos Españoles, 2018
Las políticas públicas en materia de servicios asistenciales diseñadas por el gobierno norteamericano no quedan exentas de cierta dimensión ideológica que fundamenta el sistema de prestación de dichos servicios.
Ana Ruiz-Varona
doaj   +2 more sources

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