Results 51 to 60 of about 16,168 (180)
Journal of Animal Ecology, Volume 95, Issue 8, Page 1476-1487, August 2026.We show that ant‐mediated seed dispersal components respond differently to local soil conditions and landscape structure in Caatinga agricultural mosaics. Low‐intensity rainfed croplands maintained or enhanced seed removal compared to natural remnants, highlighting how small‐scale agriculture can sustain key ecological processes in human‐modified dry ...
Jaiane Maria Silva +5 more
wiley +1 more source
StatsModeling over-dispersed count data is a common challenge in applied statistics, especially in engineering applications where repeated events, system faults, and clustered observations often produce variability beyond that allowed by the classical Poisson
Fatma Zohra Seghier +3 more
doaj +1 more source
Estimation Methods for a Flexible INAR(1) COM-Poisson Time Series Model [PDF]
Journal of Applied Mathematics, Statistics and Informatics, 2018 Abstract Time series of counts occur in many real-life situations where they exhibit various forms of dispersion. To facilitate the modeling of such time series, this paper introduces a flexible first-order integer-valued non-stationary autoregressive (INAR(1)) process where the innovation terms follow a Conway-Maxwell Poisson ...
Sunecher, Y. +2 more
openaire +2 more sources
A sequential quadratic Hamiltonian‐based estimation method for Box‐Cox transformation cure model
Statistica Neerlandica, Volume 80, Issue 3, August 2026.ABSTRACT We propose an enhanced estimation method for the Box‐Cox transformation (BCT) cure rate model parameters by introducing a generic maximum likelihood estimation algorithm, the sequential quadratic Hamiltonian (SQH) scheme, which is based on a gradient‐free approach.
Phuong Bui +3 more
wiley +1 more source
Peat extraction sites providing cavities and large areas of open soil favour a threatened songbird
Ecological Solutions and Evidence, Volume 7, Issue 3, July–September 2026.Peat extraction sites can be important breeding habitat for the threatened northern wheatear (Oenanthe oenanthe). Large areas of open soil offer suitable foraging habitat, while stacked peat sods provide hidden cavities for nesting. Together, these habitat features can support breeding populations of this threatened songbird.
Marco Drung, Thomas Fartmann
wiley +1 more source
Ecology and Evolution, Volume 16, Issue 7, July 2026.Using historical oological collections spanning 1888–1973, we quantified inter‐ and intraspecific variation in egg morphology and clutch size in four shrike species. Among species, egg morphology and clutch size followed a broad size–number trade‐off, with the great grey shrike laying the largest eggs but the smallest clutches, whereas temporal change ...
Paweł Pstrokoński +10 more
wiley +1 more source
Forecasting Count Data With Varying Dispersion: A Latent‐Variable Approach
Journal of Forecasting, Volume 45, Issue 4, Page 1985-2000, July 2026.ABSTRACT Count data, such as product sales and disease case counts, are common in business forecasting and many areas of science. Although the Poisson distribution is the best known model for such data, its use is severely limited by its assumption that the dispersion is a fixed function of the mean, which rarely holds in real‐world scenarios.
Easton Huch +3 more
wiley +1 more source
Trapped in the web: network architectures spread coevolution and shape adaptation
Oikos, Volume 2026, Issue 7, July 2026.Adaptation is critical for biodiversity to persist under global change. Within ecological communities, species often face tradeoffs between adapting to shifting abiotic conditions and navigating the complex selective pressures imposed by interaction networks.
Alexandre Fuster‐ Calvo +5 more
wiley +1 more source
Odds Ratio versus Razão de Prevalências ou Modelo de Lógite versus Regressão de Poisson
Revista Segurança Alimentar e Nutricional, 2016 São analisadas as limitações e as vantagens do uso da Regressão de Poisson, em comparação com o modelo de lógite, quando o desfecho é uma variável binária. São discutidos exemplos nos quais todas as variáveis são binárias e também um exemplo com variável
Rodolfo Hoffmann
doaj +1 more source
Beyond Habitat: How Anuran Skin Texture Shapes Plant Dispersal in Neotropical Wetlands
Freshwater Biology, Volume 71, Issue 7, July 2026.ABSTRACT Dispersal is a key process structuring wetland plant communities, yet epizoochory by amphibians remains a little‐known mechanism of passive plant dispersal. This study evaluated the potential role of Neotropical anurans as vectors of plant propagules through external adhesion in coastal wetlands.
Andressa Adolfo +6 more
wiley +1 more source