Results 41 to 50 of about 1,717 (172)

Limited evidence of biodiversity spillover from forest fragments into oil palm plantations in the Amazon

open access: yesJournal of Applied Ecology, Volume 62, Issue 8, Page 1939-1952, August 2025.
Converting primary forest into oil palm plantations results in substantial biodiversity losses, highlighting the urgent need to preserve the few remaining large forest fragments in the area. Measures that enhance matrix permeability are essential to conserving the evolutionary and functional integrity of Amazonian landscapes and mitigating the negative
Maira R. Cardoso   +4 more
wiley   +1 more source

Factores clave en la eficiencia de intercambiadores de transporte [PDF]

open access: yes, 2012
Los intercambiadores de transporte son pieza clave en la movilidad, en particular cuando se combinan viajes de larga distancia con los de acceso y dispersión.
López Lambas, María Eugenia   +3 more
core  

y su distribución difusa en la evaluación del potencial de ahorro de energía de la sustitución de motores; Influence of the Uncertainty and its Fuzzy Distribution in the Energy Saving Potential Evaluation of the Motor Substitution

open access: yesRevista Científica de Ingeniería Energética, 2011
Se analiza la influencia de la incertidumbre de las mediciones o de la declaración de la eficiencia de un motoren la evaluación del potencial de ahorro de energía, para la sustitución de motores que trabajan con bajaeficiencia.
Elías de la Rosa Masdueño   +2 more
doaj  

A spatial planning approach for the identification of critical habitat for threatened species

open access: yesConservation Biology, Volume 39, Issue 4, August 2025.
Abstract The designation of critical habitat for the conservation of threatened species has long been recognized in the environmental legislation of different countries. However, translating vague legislation about critical habitat into practical real‐world designation remains challenging because of its sensitivity to many context‐ and species‐specific
Alejandra Morán‐Ordóñez   +10 more
wiley   +1 more source

Simulated intertidal heat stress on the brown seaweed Ascophyllum nodosum demonstrates differential population sensitivity to future climate

open access: yesJournal of Ecology, Volume 113, Issue 6, Page 1504-1520, June 2025.
Our findings underscore the importance of replicating realistic tidal cycles and temperature trajectories to accurately assess thermal stress in intertidal species, as temperature fluctuations between high and low tides drive the stress response. Our projections not only align with observed local extinctions but also indicate future trends, emphasising
Luís F. Pereira   +11 more
wiley   +1 more source

Benchmarking en el Sector de Saneamiento de Brasil: Una Aplicación de Fronteras Estocásticas con Datos de Panel

open access: yesRevista de Economía y Estadística, 2015
En este estudio se estima la eficiencia técnica de los costos de operación y mantenimiento de las prestadoras de agua potable y saneamiento en Brasil, utilizando los datos del Sistema Nacional de las Informaciones sobre Saneamiento (SNIS) durante 2004 y
Mariana De Santis, Damián Halabi
doaj  

Sequential testing of complementary hypotheses about population density

open access: yesMethods in Ecology and Evolution, Volume 16, Issue 6, Page 1228-1238, June 2025.
Abstract Making inferences about population density is paramount in ecology and pest management for decision‐makers who often seek to determine how a population compares to a pre‐established static or dynamic threshold through sampling or monitoring. Sequential data analysis is appealing for monitoring and decision making as it is more cost‐efficient ...
Diego F. Rincon   +2 more
wiley   +1 more source

Simulación y validación experimental de la dispersión del monóxido de carbono (CO) generado por una estufa operando en una cocina típica de la ciudad de Barranquilla, Colombia

open access: yes, 2013
La calidad del aire, específicamente las concentraciones de monóxido de carbono (CO) en cocinas residenciales, se encuentra influenciada por algunos factores como; las condiciones ambientales, la eficiencia y el estado operativo del gasodoméstico, y el ...
Buelvas, Edgardo Manuel   +1 more
core   +1 more source

Accurate estimation of photosynthetic available radiation from multispectral downwelling irradiance profiles

open access: yesLimnology and Oceanography: Methods, Volume 23, Issue 4, Page 261-272, April 2025.
Abstract Photosynthetic available radiation (PAR) is the light usable by photosynthetic organisms. Photosynthetic available radiation measurements at depth are required to quantify the light availability for primary production. Direct PAR measurements may be measured with full‐spectrum quantum sensors for the range 400 to 700 nm.
Jaime Pitarch   +7 more
wiley   +1 more source

Evaluación histórica de indicadores productivos en vacas lecheras en sistemas a pastoreo

open access: yesLa Granja: Revista de Ciencias de la Vida, 2018
Se utilizaron datos retrospectivos correspondientes a las lactancias de 300 vacas primíparas y multíparas de raza Holstein, recolectados entre los años 1992-2012 en un lechería-cabaña ubicado de la localidad de Casilda, provincia de Santa Fe-Argentina ...
Pablo Roberto Marini   +1 more
doaj   +1 more source

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