Results 31 to 40 of about 247,275 (229)

Ethnobotanical and genetic assessments of Central American avocado landraces reveal novel sources of biodiversity and ancient migration patterns

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Avocados are a multibillion‐dollar global commodity, but their growing export market pressures local farmers to abandon local fruit tree diversity in favor of commercial cultivar production. Interviews with rural avocado farmers and households from the Southern Mexican Highlands, Pacific Coastal Honduras, and Western Nicaragua, as well as the genetic ...
Kevin Wann   +4 more
wiley   +1 more source

Retrospective image analysis for long‐term demography using Google Earth imagery

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
We demonstrate that high‐resolution Google Earth imagery, combined with minimal field validation, enables retrospective tracking of individual invasive plants. The image shows one of the monitored individuals of Opuntia sp. in Greece. Our approach reveals long‐term demographic patterns, recruitment dynamics, and spatial expansion without continuous ...
Erola Fenollosa   +2 more
wiley   +1 more source

Velocidad y costo

open access: yesCatálogo editorial, 2021
El presente libro expone la importancia de la logística en el transporte y la cadena de suministros y busca ampliar la información acerca del proceso de gestión y organización de la distribución de las mercancías. También, analiza los medios y modos de transporte aéreo, terrestre, marítimo y multimodal.
Ana Lorena Martín Aldana   +1 more
openaire   +1 more source

Resultados aplicables en la gestión de procesos y costos de ensamblaje industrial

open access: yesCostos y Gestión
Este artículo aborda la necesidad de que las empresas adopten modelos de gestión orientados a mejorar sus procesos de negocio y enfrentar factores internos y externos que afectan los objetivos empresariales.
Rodrigo Arcentales-Carrion
doaj   +1 more source

When is the bait worth the risk? A mechanistic model of a compensatory ecological trap in seabirds

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Ecological traps occur when organisms preferentially select habitats that reduce fitness. In seabird–fishery systems, fishery‐derived trophic subsidies can increase foraging success, reinforce habitat preference and indirectly enhance reproductive output or recruitment,
Cristóbal Anguita   +2 more
wiley   +1 more source

Theia: An end‐to‐end edge‐AI mobile framework for high‐throughput field phenotyping and on‐device geometric morphometrics

open access: yesMethods in Ecology and Evolution, EarlyView.
Abstract Geometric morphometrics (GM) is widely used to study phenotypic variation in ecological and evolutionary research, but the throughput of manual landmark digitization limits how large morphometric datasets can practically become, especially in field studies that would benefit from rapid on‐site feedback.
Cristobal Bragagnolo   +3 more
wiley   +1 more source

Costo contable y costo técnico económico

open access: yesEstudios económicos, 1950
Costo contable y costo técnico ...
openaire   +3 more sources

Incidencia del costo operativo de la maquinaria agrícola en la rentabilidad de la empresa agropecuaria: estudio de caso: Don Abelino S.H., Departamento Atreucó (provincia de La Pampa)

open access: yesSemiárida, 2023
La correcta utilización y selección del parque de maquinarias es determinante a la hora de definir y mejorar la rentabilidad de un establecimiento agropecuario.
Victoria Soledad Alazard   +1 more
doaj  

Efecto de la suplementación con forrajes arbustivos sobre el desempeño productivo de conejos (Oryctolagus cuniculus)

open access: yesRevista Politécnica, 2021
Actualmente existe una alta demanda de alimentos balanceados destinados a la ceba de animales que resultan costosos, por lo tanto, los alimentos balanceados no convencionales son una alternativa para obtener buenos resultados a bajo costo; planteando ...
Veronica Marcela Calderon-Bedoya   +2 more
doaj   +1 more source

When and why to give shorebirds a head start

open access: yesConservation Biology, EarlyView.
Abstract Headstarting is a translocation technique involving the hatching or rearing of wild eggs or young in captivity and the release of those individuals back to the wild at or before independence. It has been trialed as a conservation intervention for shorebirds over recent decades to improve the population trend of target populations by increasing
Lynda Donaldson   +4 more
wiley   +1 more source

Home - About - Disclaimer - Privacy