Results 11 to 20 of about 94,108 (353)
Extinction debt in local habitats: quantifying the roles of random drift, immigration and emigration [PDF]
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
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Factors influencing hibernation in Harmonia axyridis: Role of the environment and interval timer
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
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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
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HOW HAS COVID-19 AFFECTED MIGRATION OF LITHUANIAN POPULATION?
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
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The labor market effects of immigration and emigration in OECD countries [PDF]
In this paper, we simulate the labor market effects of net immigration and emigration during the 1990's in all OECD countries. To accomplish this, we are the first to employ a comprehensive database of migrant stocks, grouped by education level and ...
Docquier, Frédéric+2 more
core +2 more sources
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
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CD11b+CD43hiLy6Clo splenocyte‐derived macrophages exacerbate liver fibrosis via spleen–liver axis
A population of splenic monocytes migrate into the liver and shift to macrophages, which account for the exacerbation of liver fibrosis. Abstract Background and Aims Monocyte‐derived macrophages (MoMFs), a dominant population of hepatic macrophages under inflammation, play a crucial role in liver fibrosis progression.
Shaoying Zhang+18 more
wiley +1 more source
How much would reduced emigration mitigate ageing in Norway?
Population ageing is a topic of great concern in many countries. To counteract the negative effects of ageing, increased fertility or immigration are often proposed as demographic remedies. Changed emigration is, however, rarely mentioned.
Marianne Tønnessen, Astri Syse
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Migration transition theories have been contested as they informed immigration policy in the Global North, which—based on assumptions that immigrants from developing countries may be a threat to social stability and economic opportunity—aimed to diminish
Karin A. C. Johnson
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REALITIES OF THE MIGRATION PROCESS IN RUSSIA: QUANTITATIVE “PROS” AND QUALITATIVE “CONS”
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
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