Results 41 to 50 of about 4,217 (137)

River Barriers and Spatial Constraints: Unveiling the Factors Shaping Species Distribution in the Amazonian Rainforest

Journal of Biogeography, Volume 52, Issue 12, December 2025.
ABSTRACT Aim We aimed to quantify the relative contributions of geographic distance, environmental variation, and riverine barriers to shaping species distributions across the Amazon forest. Location Amazon forest, Brazil. Time Period Present. Major Taxa Studied Class Arachnida; Order: Opiliones (harvestmen).
Cristian de Sales Dambros, Elisa Leal Abbad, Pio Antonio Colmenares Garcia, Ana Lúcia Tourinho   +3 more
wiley   +1 more source

Regressão linear com duplo truncamento na distribuição da variável dependente

Revista de Saúde Pública, 1968
Do problema do ajuste de uma regressão linear, quando a distribuição da variável dependente tem duplo truncamento, utilizando a função de máxima verossimilhança e um processo iterativo.A solution to the problem of fitting a linear regression with double ...
José Maria Pacheco de Souza
doaj   +1 more source

Predicting disability pension risk among public‐sector employees in Finland: A new evaluation tool for employers

International Social Security Review, Volume 78, Issue 4, Page 99-120, October/December 2025.
Abstract In this study, we use unique research data to investigate the risk of exit from the workforce on the grounds of the award of a disability pension under the statutory public‐sector pension scheme in Finland. Statistical analysis yields two indicators: the risk for permanent disability retirement and the critical duration of sickness absence ...
Petra Sohlman, Risto Louhi, Janne Salonen   +2 more
wiley   +1 more source

Claw growth rates in a subset of adult, indoor, domestic cats (Felis catus)

Veterinary Dermatology, Volume 36, Issue 3, Page 362-367, June 2025.
Background – Keratinised tissues, such as nails and claws, accumulate hormones over time; the claws' hormone concentrations are being explored as potential biomarkers. Timelines for hormone deposition can be established if claw growth rates are known. Hormone concentration within cat claws has been recently evaluated, yet the growth rates of cat claws ...
Elena T. Contreras, Kate Bruner, Courtney Hegwer, Andrew Simpson   +3 more
wiley   +1 more source

Trends in Crop Reference Evapotranspiration and Climatological Variables Across Ceará State – Brazil

Revista Brasileira de Meteorologia
Irrigation has a substantial share in total world water demand. At the global level, the withdrawal ratio for agriculture is 69 percent. Irrigation is necessary to compensate evapotranspiration (ET) deficit due to insufficient precipitation.
Virginia Ellen do Nascimento Paulino, Ticiana Marinho de Carvalho Studart, José Nilson B. Campos, Carlos J. Pestana, Renata Mendes Luna, José Maria Brabo Alves   +5 more
doaj   +1 more source

REGRESSÕES ROBUSTA E LINEAR PARA ESTIMATIVA DE BIOMASSA VIA IMAGEM SENTINEL EM UMA FLORESTA TROPICAL

BIOFIX Scientific Journal, 2019
A preocupação com as mudanças climáticas globais tem motivado diversos pesquisadores a encontrar métodos eficazes para a quantificação de biomassa florestal e carbono estocado em florestas tropicais, uma vez que, estas atuam de forma mitigatória e ...
Aline Bernarda Debastiani, Marks Melo Moura, Franciel Eduardo Rex, Carlos Roberto Sanquetta, Ana Paula Dalla Corte, Naiara Pinto   +5 more
doaj   +1 more source

When do citizen scientists record biodiversity? Non‐random temporal patterns of recording effort and associated factors

People and Nature, Volume 7, Issue 4, Page 860-870, April 2025.
Abstract Citizen science data are increasingly used for ecological research, biodiversity conservation and monitoring. However, these data often present significant analytical challenges due to uneven recording efforts by citizen scientists. Biases caused by intra‐annual differences in levels of recording activity can be particularly severe, hindering ...
Inês T. Rosário, Patrícia Tiago, Sergio Chozas, César Capinha   +3 more
wiley   +1 more source

Long‐term use of lokivetmab in dogs with atopic dermatitis

Veterinary Dermatology, Volume 35, Issue 6, Page 683-693, December 2024.
Background – Lokivetmab, a caninised monoclonal antibody against interleukin (IL)‐31, is an effective treatment for the pruritus associated with canine atopic dermatitis (cAD). Objectives – To investigate the efficacy and safety of lokivetmab during long‐term treatment defined as at least three consecutive lokivetmab injections in atopic dogs under ...
Bettina Kasper, Yury Zablotski, Ralf S. Mueller   +2 more
wiley   +1 more source

Diagnóstico e tendência da precipitação pluvial em Bom Jesus - Piauí, Brasil

Revista Verde de Agroecologia e Desenvolvimento Sustentável, 2016
Com o objetivo de analisar a distribuição temporal e a tendência da precipitação pluvial para o município de Bom Jesus - PI relacionando o estudo com regressão linear e medidas de tendência central e de dispersão dos índices pluviométricos mensais e ...
Raimundo Mainar Medeiros, Virgínia Mirtes de Alcântara Silva, Valneli da Silva Melo, Hudson Ellen Alencar Menezes, Hamstrong Ellen Alencar Menezes   +4 more
doaj   +1 more source

Validação de método espectrométrico para quantificação de um derivado de N-acilhidrazona

Revista Principia
O desenvolvimento de métodos de quantificação é de extrema importância para o controle de qualidade de insumos farmacêuticos ativos, principalmente quando são de moléculas recém-sintetizadas.
Gisele Jacinto de Araújo, Renata Joyce Diniz Silva, Ricardo Olímpio de Moura, José Germano Véras Neto   +3 more
doaj   +1 more source