Results 41 to 50 of about 149,740 (211)

Wall‐to‐wall Amazon forest height mapping with Planet NICFI, Aerial LiDAR, and a U‐Net regression model

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
Tree canopy height is a key indicator of forest biomass and structure, yet accurate mapping across the Amazon remains challenging. Here, we generated a canopy height map of the Amazon forest at ~4.8 m resolution using Planet NICFI imagery and a deep learning U‐Net model trained with airborne LiDAR data.
Fabien H. Wagner   +21 more
wiley   +1 more source

Formation of Vacancies in Si- and Ge-based Clathrates: Role of Electron Localization and Symmetry Breaking

open access: yes, 2017
The formation of framework vacancies in Si- and Ge-based type-I clathrates is studied as function of filling the cages with K and Ba atoms using density-functional theory.
Baitinger, Michael   +5 more
core   +1 more source

The Language of Gendered Violence and Sexual Aggression in the Spanish Civil War: Conceptualizations and Reassessments

open access: yesHistory, EarlyView.
Abstract This article examines the conceptual vocabulary through which violence against women during the Spanish Civil War has been interpreted, with particular attention to the longstanding predominance of the category ‘sexed violence’ (violencia sexuada).
SABINA MOMPÓ TORIBIO
wiley   +1 more source

Design of an electric propulsion system for a subway-type means of transport

open access: yesRevista Colombiana de Tecnologías de Avanzada
This document presents the design of an electric propulsion system for a metro-type transport. For this design, a route was proposed that evaluates the energy demand of passenger mobility in the city of Villavicencio (Colombia).
Walter Naranjo Lourido   +3 more
doaj   +1 more source

Modeling dust emission in PN IC 418

open access: yes, 2018
We investigated the infrared (IR) dust emission from PN IC 418, using a detailed model controlled by a previous determination of the stellar properties and the characteristics of the photoionized nebula, keeping as free parameters the dust types, amounts
García-Hernández, D. A.   +4 more
core   +1 more source

AGRICULTURE IN A SOCIALIST CITY: Towards an Alter‐Urban Political Ecology

open access: yesInternational Journal of Urban and Regional Research, EarlyView.
Abstract Urban political ecology has developed as a critique of capitalist urbanization. This article develops the concept of alter‐urban political ecology to define urban environments emerging not from capitalist urbanization but from efforts to transform it. Drawing on archival research and ethnographic fieldwork in five urban farms in socialist Cuba,
Gustav Cederlöf
wiley   +1 more source

Extracto acuoso de hojas de Gliricidia sepium: un insecticida biológico efectivo contra Sitophilus oryzae

open access: yesRevista de la Facultad de Agronomía
Sitophilus oryzae es uno de los principales insectos plagas presente en cereales, en el departamento del Meta - Colombia, Sitophilus oryzae se encuentra ampliamente distribuido en los silos de arroz, en los cual ataca al grano y ocasiona daños en su ...
Maria Cristina Ospina Ladino   +4 more
doaj   +1 more source

La influencia de las marcas en la cultura de consumo. El caso de los niños en la base de la Pirámide de Villavicencio

open access: yesRevista Geon, 2017
El mercadeo en el siglo XXI debe responder a preguntas más complejas que las planteadas inicialmente por los economistas del siglo XIX acerca del consumo familiar; con unas nuevas relaciones internas las familias modernas involucran a sus miembros en las
María Cristina Otero Gómez   +2 more
doaj   +1 more source

Effectiveness of territorial protection categories in conserving an endemic island bird during population fluctuation

open access: yesConservation Science and Practice, EarlyView.
Static boundaries of protected areas failed to capture the Canary Islands stonechat's shifting distribution patterns. Abstract Protected areas represent cornerstones of biodiversity conservation on oceanic islands, yet their effectiveness for endemic species remains poorly evaluated. We assessed how various territorial protection categories conserve an
Luis M. Carrascal   +2 more
wiley   +1 more source

The Relationship Between the Level of Satisfaction of Maslow's Hierarchy of Needs and Loneliness, Happiness and Life Satisfaction in Elderly Individuals

open access: yesJournal of Clinical Nursing, EarlyView.
ABSTRACT Aims To examine the relationship between the level of satisfaction of Maslow's hierarchy of needs and loneliness, happiness and life satisfaction in elderly individuals. Design This cross‐sectional, descriptive and correlational study was conducted with the elderly in Turkey.
Eylül Gülnur Erdoğan, Sevinç Mersin
wiley   +1 more source

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