Results 1 to 10 of about 19,039 (260)
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
doaj +1 more source
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
doaj +1 more source
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 +1 more source
France, a Country of Immigration… and Emigration [PDF]
Calais, Ventimiglia, humanitarian center for migrants in Paris, CAD (reception and integration centers), CADA (reception centers for asylum seekers) ... The migration question in France is very present in the news and Numbers often doubtful, in one direction or another. Let us try to clarify the understanding of the French migratory system.]
Gérard-François Dumont, Sylvie Vanston
openaire +3 more sources
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 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
doaj +1 more source
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
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
doaj +1 more source
Migration in Southern Europe since 1945: The Entanglement of many Mobilities
“Space” – in which the phenomenon of migration takes place – is not the only category to be rethought and relocated in migration studies. Another key issue is “time”, or rather a periodisation.
Michele Colucci, Stefano Gallo
doaj +1 more source

