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A Note on Generalization of the Simplest Time-Dependent Discrete Markov Process: Linear Growth Process With Immigration-Emigration

open access: yesJournal of Statistical Theory and Applications (JSTA), 2021
Lineargrowth process with immigration and emigration is the general model in the study of population in biological and ecological systems, and their transient analysis is the most important factor in the understanding of the structural behavior of such ...
Bijoy Kumar Pradhan   +2 more
doaj   +2 more sources

Extinction debt in local habitats: quantifying the roles of random drift, immigration and emigration [PDF]

open access: yesRoyal Society Open Science, 2020
We developed a time-dependent stochastic neutral model for predicting diverse temporal trajectories of biodiversity change in response to ecological disturbance (i.e. habitat destruction) and dispersal dynamic (i.e. emigration and immigration). The model
Yongbin Wu   +4 more
doaj   +1 more source

Two-sided immigration, emigration and symmetry properties of self-similar interval partition evolutions [PDF]

open access: yesLatin American Journal of Probability and Mathematical Statistics, 2020
Forman et al. (2020+) constructed $(\alpha,\theta)$-interval partition evolutions for $\alpha\in(0,1)$ and $\theta\ge 0$, in which the total sums of interval lengths ("total mass") evolve as squared Bessel processes of dimension $2\theta$, where $\theta ...
Quan Shi, Matthias Winkel
semanticscholar   +1 more source

Factors influencing hibernation in Harmonia axyridis: Role of the environment and interval timer

open access: yesFrontiers in Ecology and Evolution, 2022
From 2014 to 2022, we investigated the length of hibernation in a population of the invasive ladybird Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae) in Central Europe. Adults were collected during the autumn immigration to overwintering sites and
Alois Honek   +2 more
doaj   +1 more source

HOW HAS COVID-19 AFFECTED MIGRATION OF LITHUANIAN POPULATION?

open access: yesეკონომიკური პროფილი, 2022
The paper aims to examine the role of COVID-19 pandemic on the population migration in Lithuania. A situation analysis using the newest available migration data was deployed.
Gindrute Kasnauskiene   +1 more
doaj   +1 more source

GDP Growth and Unsaturated Demand on Labour Markets: Is the Visegrad Group Ready for an Increased Immigration?

open access: yesEkonomista, 2021
Due to unprecedented economic growth after the EU accession, four post-communist economies: Czechia, Hungary, Poland, and Slovak Republic (Visegrad Group, V4) have suffered from unsaturated demand in their labour markets.
MICHAŁ SCHWABE
doaj   +1 more source

Digitalization of Public Service Delivery: A Case of Immigration and Emigration Department of Sri Lanka

open access: yesAsian Journal of Social Sciences and Management Studies, 2020
Adaptation of digital technologies leads public sector organizations to innovate and tap their potentials. The Immigration and Emigration Department of Sri Lanka (IEDSL) has commenced digitalization of its functions during the last decade.
L. Madhuwanthi, A. Muthulingam
semanticscholar   +1 more source

REALITIES OF THE MIGRATION PROCESS IN RUSSIA: QUANTITATIVE “PROS” AND QUALITATIVE “CONS”

open access: yesRUDN Journal of Political Science, 2019
The article discusses the features of immigration and emigration flows in Russia, their quality indicators. There is a mismatch in the distribution of labor migrants in the country regions, as well as the intellectual and professional characteristics of ...
Tatiana V Karadje, Dina V Tombu
doaj   +1 more source

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