Results 31 to 40 of about 704 (180)

Metodologías de interpolación y predicción espacial para el análisis de las propiedades físicas del suelo en la hoya del río Suárez (Colombia)

open access: yesSiembra, 2023
En Colombia, la agricultura se puede desarrollar en terrenos inclinados que requieren prácticas zonales de conservación de suelos. Para ello, se analiza el área de interés por sus propiedades determinantes, usualmente con muestreo en puntos específicos.
Ruy Edeymar Vargas Diaz   +5 more
doaj   +1 more source

Circulación atmosférica y variabilidad vegetal en Siberia Central (1982-2001)

open access: yesCuadernos de Investigación Geográfica, 2013
En este trabajo se analiza la distribución espacial de la actividad vegetal en Siberia central y su relación con la variabilidad en la circulación atmosférica.
S. M. Vicente Serrano   +4 more
doaj   +1 more source

Community‐level effects of Müllerian mimicry on pollinator diversity and functioning

open access: yesFunctional Ecology, Volume 40, Issue 3, Page 599-610, March 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Müllerian mimicry, a mutualistic interaction in which harmful species evolve similar warning signals, is often accompanied by niche divergence among mimetic species. While these aspects have traditionally been studied in an evolutionary context, their community‐level ...
Paola Laiolo, José Ramón Obeso
wiley   +1 more source

Variabilidade espacial da taxa de infiltração em Argissolo Vermelho [PDF]

open access: yesRevista Brasileira de Ciência do Solo, 2003
A variabilidade espacial do solo, decorrente de sua formação e manejo agrícola, tem atraído o interesse de cientistas do solo há muito tempo. Quando as variações aumentam com a distância entre amostras, uma parcela explicável pela dependência espacial está embutida na variação geral do atributo.
Cichota, R.   +2 more
openaire   +4 more sources

Strong Variation in Land‐Use Change Impacts on Tropical Avian Phylogenetic Diversity Between Ecoregions Highlights the Need to Sample Large Spatial Scales

open access: yesGlobal Change Biology, Volume 32, Issue 1, January 2026.
Forest conversion for agriculture is a major cause of biodiversity loss in the tropics, but its impacts depend on how broadly they are measured. Using data from across Colombia, one of the most biodiverse countries in the world, we examined how deforestation for cattle farming affects the evolutionary history of bird species.
Giovanny Pérez   +7 more
wiley   +1 more source

Finding floral and faunal species richness optima among active fire regimes

open access: yesConservation Biology, Volume 39, Issue 6, December 2025.
Abstract Changing fire regimes have important implications for biodiversity and challenge traditional conservation approaches that rely on historical conditions as proxies for ecological integrity. This historical‐centric approach becomes increasingly tenuous under climate change, necessitating direct tests of environmental impacts on biodiversity.
Zachary L. Steel   +8 more
wiley   +1 more source

Relación espacial entre la conductividad eléctrica y algunas propiedades químicas del suelo

open access: yesRevista U.D.C.A Actualidad & Divulgación Científica, 2013
El conocimiento de los suelos agrícolas resulta ser el factor predominante para el desarrollo óptimo de las actividades agropecuarias. El objetivo de esta investigación fue determinar la relación entre la conductividad eléctrica y las propiedades ...
Diego Cortés   +2 more
doaj   +3 more sources

Factores que afectan la producción agrícola bajo riego: cómo medirlos y estudiar su efecto

open access: yesTecnología y ciencias del agua, 2018
Hay varios grupos de factores que afectan el rendimiento de los cultivos agrícolas bajo riego; entre ellos destacan los meteorológicos, los de manejo y los relativos a la variabilidad espacial de los terrenos.
José L. Espinosa-Espinosa   +5 more
doaj   +1 more source

Monitoring population extinction risk with community science data

open access: yesJournal of Applied Ecology, Volume 62, Issue 9, Page 2133-2147, September 2025.
Our modelling framework provides a robust, computationally efficient and easy‐to‐apply tool for monitoring local persistence probability that can support global conservation efforts. This will complement the monitoring of species population viability in places where standardized monitoring is still lacking, but community science observations are common.
Orlando Acevedo‐Charry   +8 more
wiley   +1 more source

Variabilidade espacial da sazonalidade da chuva no semiárido brasileiro

open access: yesJournal of Environmental Analysis and Progress, 2017
A chuva é um dos principais reguladores dos processos biogeoquímicos de uma região e o entendimento da sua variabilidade espacial e da sua sazonalidade ao longo ano, é fundamental para o gerenciamento dos recursos hídricos e planejamento agrícola do Semiárido brasileiro.
Wagner Martins Dos Santos   +4 more
openaire   +2 more sources

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