Results 51 to 60 of about 5,702 (181)

Mensuração da atenção dirigida do enfermeiro: comparação entre três métodos psicofísicos Medición de la atención directa del enfermero: comparación entre tres métodos psicofísicos Measurement of nurses directed care: comparison among three psychophysics methods

open access: yesRevista Latino-Americana de Enfermagem, 2000
O grau de atenção dirigida requerido pelo enfermeiro que atua em unidades de cuidados críticos foi avaliado e comparado com o uso de três métodos psicofísicos diferentes: estimativa de magnitudes, estimativa de categorias e estimativa de postos.
Edinêis de Brito Guirardello   +1 more
doaj   +1 more source

Life history induces markedly divergent insect responses to habitat loss

open access: yesJournal of Animal Ecology, Volume 95, Issue 1, Page 54-64, January 2026.
This study pioneers the use of deep learning to rapidly assess over 22,000 Amazonian insects, revealing life history‐dependent winners and losers from forest loss. It shows that terrestrial insects decline while aquatic insects thrive, with body size influencing dispersal, offering key insights for biodiversity conservation in tropical fragmented ...
Lucas F. Colares   +2 more
wiley   +1 more source

Competitor Richness Outweighs Climate and Land Cover in Explaining Abundance Variation of a Neotropical Fruit Bat

open access: yesAustral Ecology, Volume 51, Issue 1, January 2026.
ABSTRACT Understanding which processes regulate spatial variation in species abundance across their ranges is key in ecology. Species abundances may be affected by several factors, such as climate, elevation, land cover, species interactions and habitat protection status. However, few studies have focused on these effects synergistically across species
Marcelo de Moraes Weber, Artur Malecha
wiley   +1 more source

Estimativa do volume de Acacia mangium utilizando técnicas de redes neurais artificiais e máquinas vetor de suporte

open access: yesPesquisa Florestal Brasileira, 2015
Com o presente trabalho objetivou-se mostrar os resultados das estimativas volumétricas de Acacia mangium, obtidas pelo modelo de Schumacher e Hall, comparando-os com as metodologias de aplicação de redes neurais artificiais e máquinas vetor suporte ...
Márcio Assis Cordeiro   +4 more
doaj   +1 more source

Estimativa da área foliar em milharal [PDF]

open access: yesBragantia, 1987
Num experimento com milho híbrido simples, conduzido no Centro Experimental de Campinas, em 1971/72, testou-se o uso de um fator área foliar, obtido numa repetição, na estimativa da área foliar por planta nas demais repetições. Utilizaram-se os híbridos simples HS1227 (tipo duro) e HS7777 (tipo dentado) cultivados em duas densidades de plantio: 42.000 ...
openaire   +3 more sources

Mapping the density of giant trees in the Amazon

open access: yesNew Phytologist, Volume 249, Issue 1, Page 152-168, January 2026.
Summary Tall trees (height ≥ 60 m) are keystone elements of tropical forests, strongly influencing biodiversity, carbon storage, and ecosystem resilience. Yet, their density and spatial distribution remain poorly quantified, especially in remote Amazonian regions, limiting our understanding of their ecological roles and contribution to forest–climate ...
Robson Borges de Lima   +20 more
wiley   +1 more source

Comparação dos métodos de estimativa de peso e altura em pacientes hospitalizados

open access: yesHU Revista, 2019
O objetivo deste estudo foi comparar o peso e altura aferidos com métodos de estimativa correspondentes em pacientes internados em um hospital da cidade de Juiz de Fora.
Patrícia Morais Oliveira   +3 more
doaj   +1 more source

Modelagem do crescimento e de biomassa individual de Pinus

open access: yesPesquisa Florestal Brasileira, 2013
Este estudo tem como objetivo testar modelos matemáticos para estimativas de biomassa de diferentes compartimentos de Pinus spp., a partir de variáveis de fácil mensuração.
Ana Beatriz Schikowski   +2 more
doaj   +3 more sources

Scaling the effects of size and temperature on animal consumption rates from individuals to populations in a subtropical reef fish

open access: yesFunctional Ecology, Volume 39, Issue 12, Page 3385-3395, December 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Measuring how temperature and body size drive individual consumption rates is fundamental to predict how climate change might shape population‐level consumption pressure. Yet, such measurements remain rare.
Pedro N. S. Zaú   +4 more
wiley   +1 more source

Biomass production of tropical trees across space and time: The shifting roles of diameter growth and wood density

open access: yesJournal of Ecology, Volume 113, Issue 11, Page 3141-3158, November 2025.
Diameter growth is an important and good indicator of forest carbon production. However, size‐related changes in wood density, which are usually neglected, are critical for accurate short‐ and long‐term carbon assessments, especially in tropical humid sites.
Bruna Hornink   +18 more
wiley   +1 more source

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