Results 61 to 70 of about 94,522 (226)

Implementación de un modelo de predicción espacial de la fenología en un cuartel de vides cv. Chardonnay [PDF]

open access: yes, 2015
37 p.Con el objetivo de evaluar un modelo de predicción espacial de la fenología de la vid en un cuartel vitícola, se realizo un estudio en un cuartel cv.
Acevedo Opazo, César Antonio (Prof. Guía)   +2 more
core  

Testing for concordance between predicted species richness, past prioritization, and marine protected area designations in the western Indian Ocean

open access: yesConservation Biology, Volume 38, Issue 4, August 2024.
Abstract Scientific advances in environmental data coverage and machine learning algorithms have improved the ability to make large‐scale predictions where data are missing. These advances allowed us to develop a spatially resolved proxy for predicting numbers of tropical nearshore marine taxa.
Tim R. McClanahan   +10 more
wiley   +1 more source

Explicando la delincuencia en Barcelona: ¿Desorganización social u oportunidades del turismo?

open access: yesRevista Española de Investigación Criminológica
Este artículo se centra en el estudio del impacto del entorno y sus características en la incidencia delictiva, un tema central en la Criminología Espacial. La Teoría de la Desorganización Social (TDS) y la de las Actividades Cotidianas (TAC),
Héctor Sánchez-Delgado
doaj   +1 more source

An evaluation of geographic and annual variation in morphometric characters and gill-raker counts of yellowfin tuna, Thunnus albacares, from the Pacific Ocean [PDF]

open access: yes, 1992
ENGLISH: Samples of yellowfin tuna, Thunnus albacares, collected from five areas of the Pacific Ocean (Mexico, Ecuador, Australia, Japan, and Hawaii) between January and May of 1988 and 1990 were examined for spatiotemporal variation in morphometric ...
Schaefer, Kurt M.
core  

Variabilidade Espacial da Umidade do Solo em Neossolo Flúvico

open access: yesRevista Brasileira de Recursos Hídricos, 2008
Aiming to evaluate the spatial variability of soil moisture, an experiment was performed in the town of Pesqueira, Pernambuco State, on a carrot (Daucus carota L.) totalizing 96 days. Two irrigation sectors (1 e 2) were formed, each one with 900 m2 (30 x 30 m), adopting microsprinkler irrigation, using water of an “Amazonas well”.
Abelardo Montenegro   +2 more
openaire   +1 more source

Divergent selection in a Mediterranean pine on local spatial scales

open access: yesJournal of Ecology, Volume 112, Issue 2, Page 278-290, February 2024.
This study highlights how divergent selection in heterogeneous microenvironments shapes and maintains the functional genetic variation within populations of long‐lived forest tree species, being the first to focus on adaptive genetic divergence between south‐ and north‐facing slopes within continuous forest stands.
Katharina B. Budde   +7 more
wiley   +1 more source

VARIABILIDAD ESPACIAL DE LAS PROPIEDADES QUÍMICAS DEL EPIPEDÓN DE UN ANDISOL HIDROMÓRFICO DEL ORIENTE ANTIOQUEÑO (COLOMBIA) SPATIAL VARIABILITY OF THE EPIPEDON CHEMICAL PROPERTIES IN AN HYDROMORPHIC ANDISOL FROM THE ANTIOQUIA EAST ( COLOMBIA )

open access: yesRevista Facultad Nacional de Agronomía Medellín, 2008
Se estudió la variabilidad espacial de algunas propiedades químicas del epipedón de un Andisol de régimen de humedad ácuico. La mayoría de las propiedades estudiadas presentó una dependencia espacial alta, con una variabilidad estructurada de más del 50%
Daniel Francisco Jaramillo Jaramillo
doaj  

Caracterización del terroir: influencia en la composición de la uva y relación con el NDVI dentro de la D.O.Ca.Rioja / Terroir characterization: influence on grape composition and relationship with NDVI within D.O.Ca.Rioja

open access: yesE3S Web of Conferences, 2018
Los factores naturales que definen el terroir son los principales responsables de la variabilidad observada entre plantas de una misma parcela (variabilidad intraparcela) o de distintas fincas (variabilidad interparcelas).
Martínez, a Álvaro   +1 more
doaj   +1 more source

The effect of place on voting behavior: The case of the Arizona proposition to legalize recreational marijuana

open access: yesPolitics &Policy, Volume 52, Issue 1, Page 196-226, February 2024.
Abstract In 2020, Arizonans approved Proposition 207, the Smart and Safe Arizona Act, which legalized recreational marijuana sales. Previous research has typically used non‐spatial survey data to understand marijuana legalization voting patterns. However, voting behavior can, in part, be shaped by geographic context, or place, which is unaccounted for ...
Mason Clay Mathews   +1 more
wiley   +1 more source

Los ríos de las regiones semiáridas

open access: yesEcosistemas, 2004
En las regiones semiáridas es extraordinaria la variabilidad ambiental de los ecosistemas acuáticos. Ello se pone de manifiesto en la heterogeneidad espacial y las variaciones temporales de sus componentes físicos, químicos y bióticos. El balance hídrico
M. Rosario Vidal Abarca   +2 more
doaj  

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