Thematische Bibliographien / Migration

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Auswahl der wissenschaftlichen Literatur zum Thema „Migration“

Autor: Grafiati

Veröffentlicht am 4. Juni 2021

Zuletzt aktualisiert am 9. Juni 2025

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Zeitschriftenartikel zum Thema "Migration"

Gray, S. H., and M. A. Epton. "Multigrid migration: Reducing the migration aperture but not the migrated dips." GEOPHYSICS 55, no. 7 (July 1990): 856–62. http://dx.doi.org/10.1190/1.1442900.

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Given a frequency f, CDP interval Δx, and upper‐surface velocity v(0), the spatial Nyquist criterion defines a range of unaliased emergence angles for seismic reflection events. For migration, events outside that range should be discarded beforehand by dip filtering, or the migration operator should be trained to ignore them. In this paper, we express the spatial Nyquist criterion as a limitation on the CDP interval, rather than on emergence angle, which allows Δx to be adjusted as a function of emergence angle, increasing with decreasing emergence angle. We exploit this fact by creating two separate migration grids: a fine grid, with trace spacing Δx, for migrating events with large emergence angles; and a coarse grid, with trace spacing 2Δx, for migrating events with small emergence angles. Combining the two migrations is straightforward. The coarse grid migration, involving one‐half the number of input traces and one‐half the number of output traces, represents a considerable time savings over the small‐emergence‐angle portion of the migration on the original fine grid. The two migrations need not be performed separately, so that overhead associated with migration setup operations need not be paid twice. In fact, a modification of this idea allows the migration to be performed with almost no increase in storage requirements.

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Thomas, L. A., and K. M. Yamada. "Contact stimulation of cell migration." Journal of Cell Science 103, no. 4 (December 1, 1992): 1211–14. http://dx.doi.org/10.1242/jcs.103.4.1211.

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Mass migrations of dense cell populations occur periodically during embryonic development. It is known that extracellular matrices, through which the cells migrate, facilitate locomotion. However, this does not explain how cells, such as neural crest, can migrate as a dense cohort of cells in essentially continuous contact with one another. We report here that unique behavioral characteristics of the migrating cells may contribute to cohesive migration. We used time-lapse video microscopy to analyze the migration of quail neural crest cells and of two crest derivatives, human melanoma cells and melanocytes. These cells migrated poorly, if at all, when isolated, but could be stimulated up to 200-fold to travel following contact with migrating cells. This phenomenon, which we have termed “contact-stimulated migration,” appeared to activate and sustain migration of the mass of cells. Cells that became dissociated from the others ceased directional migration, thereby limiting aberrant cell dispersion. Fibroblasts were minimally responsive to this novel phenomenon, which may be crucial for major, mass cell migrations.

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Larner, Ken, and Craig Beasley. "Cascaded migrations: Improving the accuracy of finite‐difference migration." GEOPHYSICS 52, no. 5 (May 1987): 618–43. http://dx.doi.org/10.1190/1.1442331.

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The accuracy of time migrations done with finite‐difference schemes deteriorates with increasing reflector dip. Some properties of migration in general, and of finite‐difference approaches in particular, suggest a way of improving the accuracy of finite‐difference schemes for migrating steep dips. First, although data will be undermigrated when too low a velocity is used in migration, a correctly migrated result can be obtained by migrating again, this time with the previously undermigrated result as input. In fact, a sequence of undermigrations will yield the correct result as long as the sum of the squares of the migration velocities used in the different migration stages equals the square of the correct migration velocity. A second property is that the apparent spatial dip of a reflector perceived by the migration process is a function of not only the time dip of the unmigrated reflection, but also the velocity used in the migration. In a sequence of low‐velocity migrations, the apparent spatial dip perceived at each migration stage can be considerably less than the true dip. Thus, because finite‐difference migration is accurate for small spatial dips, the cascaded migrations yield a more accurate result than that of single‐stage migration. Also, because each migration stage is done with low velocity, the depth step can be large; hence, the computational effort need not be. The accuracy of the method is not compromised (in fact, it improves) in media in which velocity increases with depth. Moreover, the cascaded approach suffers no more than other methods of time migration where velocity varies mildly in the lateral direction. In applications of the method to stacked data from the Gulf of Mexico, reflections from near‐vertical flanks of salt domes were migrated with accuracy comparable to that achieved by frequency‐wavenumber domain migration.

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Trepat, Xavier, Zaozao Chen, and Ken Jacobson. "Cell Migration." Comprehensive Physiology 2, no. 4 (October 2012): 2369–92. https://doi.org/10.1002/j.2040-4603.2012.tb00467.x.

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AbstractCell migration is fundamental to establishing and maintaining the proper organization of multicellular organisms. Morphogenesis can be viewed as a consequence, in part, of cell locomotion, from large‐scale migrations of epithelial sheets during gastrulation, to the movement of individual cells during development of the nervous system. In an adult organism, cell migration is essential for proper immune response, wound repair, and tissue homeostasis, while aberrant cell migration is found in various pathologies. Indeed, as our knowledge of migration increases, we can look forward to, for example, abating the spread of highly malignant cancer cells, retarding the invasion of white cells in the inflammatory process, or enhancing the healing of wounds. This article is organized in two main sections. The first section is devoted to the single‐cell migrating in isolation such as occurs when leukocytes migrate during the immune response or when fibroblasts squeeze through connective tissue. The second section is devoted to cells collectively migrating as part of multicellular clusters or sheets. This second type of migration is prevalent in development, wound healing, and in some forms of cancer metastasis. © 2012 American Physiological Society. Compr Physiol 2:2369‐2392, 2012.

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Goldberg, Amy, Torsten Günther, Noah A. Rosenberg, and Mattias Jakobsson. "Ancient X chromosomes reveal contrasting sex bias in Neolithic and Bronze Age Eurasian migrations." Proceedings of the National Academy of Sciences 114, no. 10 (February 21, 2017): 2657–62. http://dx.doi.org/10.1073/pnas.1616392114.

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Dramatic events in human prehistory, such as the spread of agriculture to Europe from Anatolia and the late Neolithic/Bronze Age migration from the Pontic-Caspian Steppe, can be investigated using patterns of genetic variation among the people who lived in those times. In particular, studies of differing female and male demographic histories on the basis of ancient genomes can provide information about complexities of social structures and cultural interactions in prehistoric populations. We use a mechanistic admixture model to compare the sex-specifically–inherited X chromosome with the autosomes in 20 early Neolithic and 16 late Neolithic/Bronze Age human remains. Contrary to previous hypotheses suggested by the patrilocality of many agricultural populations, we find no evidence of sex-biased admixture during the migration that spread farming across Europe during the early Neolithic. For later migrations from the Pontic Steppe during the late Neolithic/Bronze Age, however, we estimate a dramatic male bias, with approximately five to 14 migrating males for every migrating female. We find evidence of ongoing, primarily male, migration from the steppe to central Europe over a period of multiple generations, with a level of sex bias that excludes a pulse migration during a single generation. The contrasting patterns of sex-specific migration during these two migrations suggest a view of differing cultural histories in which the Neolithic transition was driven by mass migration of both males and females in roughly equal numbers, perhaps whole families, whereas the later Bronze Age migration and cultural shift were instead driven by male migration, potentially connected to new technology and conquest.

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Stolt, Robert H. "A prestack residual time migration operator." GEOPHYSICS 61, no. 2 (March 1996): 605–7. http://dx.doi.org/10.1190/1.1443987.

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Larner and Beasley (1987) present cascaded migration as a way to increase the power and effectiveness of relatively simple migration methods. In particular, f-k migration (Stolt, 1978) can be made to accommodate a depth‐dependent velocity as a cascade of constant‐velocity migrations. The core concept is that data which have been migrated with an approximate velocity can be effectively migrated to their true velocity by migrating with a velocity that is equal to the square root of the difference between the squares of the true and approximate velocities.

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Hinch, Scott G., and Peter S. Rand. "Swim speeds and energy use of upriver-migrating sockeye salmon (Oncorhynchus nerka): role of local environment and fish characteristics." Canadian Journal of Fisheries and Aquatic Sciences 55, no. 8 (August 1, 1998): 1821–31. http://dx.doi.org/10.1139/f98-067.

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We used electromyogram (EMG) radiotelemetry to assess swimming activity (e.g., swim speeds), behaviour, and migration speeds (e.g., ground speeds) of individual adult sockeye salmon (Oncorhynchus nerka) migrating through several reaches of the Fraser and Nechako rivers in British Columbia. Using a laboratory swim flume and volitionally swimming adult fish carrying EMG transmitters, we developed relationships between EMG pulse intervals and swim speeds. A bioenergetics model was used to estimate reach-specific energy use per metre for each individual based on the average swim speed, migration time, body size, and river temperature. Migration was most energetically efficient (i.e., migration costs per unit distance traveled were relatively low) for females compared with males, large males compared with small males, and 1995 males compared with 1993 males. In all three cases, differences in swim speed patterns were primarily responsible for differences in energy use. For both sexes and in both years, migrations through reaches that contained a constriction (caused by an island, gravel bar, or large rock outcropping) were energetically inefficient compared with that through reaches with no constrictions. The high energetic costs at constrictions seem to result from long travel times probably caused by turbulent flow patterns that may generate confusing migrational cues.

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Ffrench-Constant, C., and R. O. Hynes. "Patterns of fibronectin gene expression and splicing during cell migration in chicken embryos." Development 104, no. 3 (November 1, 1988): 369–82. http://dx.doi.org/10.1242/dev.104.3.369.

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A variety of evidence suggests that fibronectin (FN) promotes cell migration during embryogenesis, and it has been suggested that the deposition of FN along migratory pathways may also play a role in cell guidance. In order to investigate such a role for FN, it is important to determine the relative contribution of migrating and pathway-forming cells to the FN in the migratory track, as any synthesis of FN by the migrating cells might be expected to mask guidance cues provided by the exogenous FN from pathway-forming cells. We have therefore used in situ hybridization to determine in developing chicken embryos the distribution and alternative splicing of FN mRNA during three different cell migrations known to occur through FN-rich environments; neural crest cell migration, mesenchymal cell migration in the area vasculosa and endocardial cushion cell migration in the heart. Our results show that trunk neural crest cells do not contain significant FN mRNA during their initial migration. In contrast, migrating mesenchymal cells of the area vasculosa and endocardial cushion cells both contain abundant FN mRNA. Furthermore, the FN mRNA in these migrating mesenchymal and endocardial cells appears to be spliced in a manner identical with that present in the cells adjacent to their pathways. This in vivo evidence for FN synthesis by migrating and pathway cells argues against a generalized role for exogenously produced FN as a guidance mechanism for cell migration.

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Liu, Xialin, Junsheng Wu, Gang Sha, and Shuqin Liu. "Virtual Machine Consolidation with Minimization of Migration Thrashing for Cloud Data Centers." Mathematical Problems in Engineering 2020 (August 3, 2020): 1–13. http://dx.doi.org/10.1155/2020/7848232.

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Cloud data centers consume huge amount of electrical energy bringing about in high operating costs and carbon dioxide emissions. Virtual machine (VM) consolidation utilizes live migration of virtual machines (VMs) to transfer a VM among physical servers in order to improve the utilization of resources and energy efficiency in cloud data centers. Most of the current VM consolidation approaches tend to aggressive-migrate for some types of applications such as large capacity application such as speech recognition, image processing, and decision support systems. These approaches generate a high migration thrashing because VMs are consolidated to servers according to VM’s instant resource usage without considering their overall and long-term utilization. The proposed approach, dynamic consolidation with minimization of migration thrashing (DCMMT) which prioritizes VM with high capacity, significantly reduces migration thrashing and the number of migrations to ensure service-level agreement (SLA) since it keeps VMs likely to suffer from migration thrashing in the same physical servers instead of migrating. We have performed experiments using real workload traces compared to existing aggressive-migration-based solutions; through simulations, we show that our approach improves migration thrashing metric by about 28%, number of migrations metric by about 21%, and SLAV metric by about 19%.

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Pytel, Sławomir Piotr, and Iwona Kiniorska. "The Socioeconomic Status of Polish Pensioners Before and After Migration." Acta Universitatis Lodziensis. Folia Oeconomica 5, no. 344 (September 30, 2019): 67–84. http://dx.doi.org/10.18778/0208-6018.344.05.

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The aim of this paper is to describe the socioeconomic status of migrating seniors before and after migration. This analysis will enable us to determine whether the overall effect of their migrations is a positive one or a negative one. In order to determine subjective reasons for migrations, questionnaire surveys are used. An analysis of the responses allows us to compare the migrants’ living conditions before and after migration with a view to confirming or rejecting Wolpert’s (1965) assumptions and to describe the role of migrations in meeting pensioners’ needs. Our study confirms the approach of Wolpert (1965), assuming that the behaviour of migrants, including migrating pensioners, is determined by place utility, i.e. the sum of advantages to be obtained by the migrant. The pensioners who migrated are well‑off, our respondents report that they are able to meet all their needs if spending money prudently.

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Dissertationen zum Thema "Migration"

Mulder, Clara Helena. "Migration dynamics a life course approach /." Amsterdam : Thesis Publishers, 1993. http://catalog.hathitrust.org/api/volumes/oclc/29745272.html.

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Morris, Keidra. "Troubled migrations an analysis of Caribbean-American women's (im)migration literature /." Diss., Restricted to subscribing institutions, 2008. http://proquest.umi.com/pqdweb?did=1610027871&sid=23&Fmt=2&clientId=1564&RQT=309&VName=PQD.

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Pippert, John Marvin. "Return migration: socioeconomic determinants for state in- migration." Diss., Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/76474.

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The central concern of this study is to determine the role of return migration in the changing economic and noneconomic determinants of state in-migration. It was hypothesized that the transition from primarily economic to noneconomic determinants of in-migration in the United States in the last decade was directly related to changes in the components of the migration stream itself; that is, that an increasing proportion of return migrants in the in-migration stream contributes to the movement toward noneconomic reasons for migrating. This study compares the selective characteristics of lifetime and five-year non migrants, and primary, secondary and return migrants using Public Use Sample data for 1960, 1970, and 1980. In addition, it analyzes four economic and six noneconomic determinants of migration for 1970 and 1980 usinq a data set that includes published data on state migration and socioeconomic characteristics. An analysis of the selectivities of migration has both supported and rejected existing literature. In a comparison of migrants and non migrants, migrants tend to be younger, better educated persons from white collar occupations with higher incomes and smaller households than non migrants. When migrant types are compared, return migrants tend not to be as well off as other migrants socioeconomically. They tend to have lower education, come from blue collar occupations, have larger households, be a little older and have less income than other migrants. The most significant finding is the distinction of five-year from lifetime nonmigrants. The regression analysis on the determinants of state in-migration reveals that there has been a shift from economic to noneconomic reasons for migrating from 1970 to 1980. In addition, the relative proportion of primary, secondary and return migration has changed over time. Contrary to the hypothesis, however, the trend from economic to noneconomic determinants of migration has not been related to changes in the proportion of return this study points to the relationship migration in the stream. Rather, further research that investigates between secondary migration and the changing determinants of state in-migration.<br>Ph. D.

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SUN, Xue-Zhi, Sentaro TAKAHASHI, Chun GUI, Rui ZHANG, Kazuo KOGA, Minoru NOUYE, and Yoshiharu MURATA. "Neuronal Migration and Neuronal Migration Disorder in Cerebral Cortex." Research Institute of Environmental Medicine, Nagoya University, 2002. http://hdl.handle.net/2237/2773.

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Rudd, Dianne Marie. "Women and migration : internal and international migration in Australia /." Title page, table of contents and abstract only, 2004. http://web4.library.adelaide.edu.au/theses/09PH/09phr914.pdf.

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Gustafsson, Erik. "Optimizing Total Migration Time in Virtual Machine Live Migration." Thesis, Uppsala universitet, Institutionen för informationsteknologi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-196178.

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The ability to migrate a virtual machine (VM) from one physical host to another is important in a number of cases such as power management, on-line maintenance, and load-balancing. The amount of memory used in VMs have been steadily increasing up to several gigabytes. Consequently, the time to migrate machines, the total migration time, has been increasing. The aim of this thesis is to reduce the total migration time. Previous work aimed at reducing the amount of time and disk space required for saving checkpoint images of virtual machines by excluding data from the memory that is duplicated on the disk of the VM. Other work aimed at reducing the time to restore a VM from a checkpoint by only loading a subset of data before resuming the VM and marking the other memory as invalid. These techniques have been adapted and applied to virtual machine live migration to reduce the total migration time. The implemented technique excludes sending duplicate data that exists on disk and resumes the VM before all memory has been loaded. The proposed technique has been implemented for fully virtualized guests in Xen 4.1. The results of research conducted with a number of benchmarks demonstrate that there is an average 44% reduction of the total migration time.

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Bassetto, Jacopo. "Three Essays on Migration, Migration Policies, and Migrants’ Integration." Doctoral thesis, Università degli studi di Trento, 2022. http://hdl.handle.net/11572/345385.

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In many countries, migration is a high priority in both the public and political debate. Countries face continuous challenges to attract, retain and integrate migrants in their societies. In recent years, the economic crisis, the refugee crisis and the surge of populist movements and xenophobic violence have exposed countries to even bigger challenges. It is therefore crucial to understand what governments and societies can do to transform migration phenomena into opportunities for both destination and origin countries. In my dissertation I investigated empirically three topics in the economics of migration. First, the role of certificate recognition for the labor market integration of high-skilled migrants and the effects of a policy that facilitated certificate recognition for all immigrants. Second, the brain drain phenomenon and the effects of a policy that introduce tax incentives to return migration for high-skilled young Italian emigrants. Third, return intentions and labor market behaviors of immigrants, and the effects of home country socio-political conditions on these two outcomes. The dissertation aims at contributing to the growing literature on the economics of migration with novel findings on specific policies and channels, and to the policy debate on migration and integration policies.

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Tam, Tobey M. "Neuronal migrations in Caenorhabditis elegans : insights into the molecular mechanisms of migration /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2001. http://wwwlib.umi.com/cr/ucsd/fullcit?p9993986.

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Tran, Quang Lam Bryant John. "Internal labor migration : floating labor migration in Vietnam and labor migration in Kanchanaburi Demographic Surveilance System, Thailand /." Abstract, 2007. http://mulinet3.li.mahidol.ac.th/thesis/2550/cd400/4737935.pdf.

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Wang, Jing. "Logiques des migrations intérieures en Chine et rationalité du système du Hukou." Thesis, Paris 11, 2011. http://www.theses.fr/2011PA111023.

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Les migrations intérieures en Chine sont régulées par le système du Hukou. Celui-ci distingue la population rurale de la population urbaine et matérialise le droit d’accès aux biens publics du lieu d’enregistrement. Deux types de migration sont à distinguer selon que l’individu a pu convertir/ transférer ou non son Hukou en déplacement : migration permanente et migration temporaire. Notre recherche adopte donc une approche dichotomique et comparatiste en vue d’avoir une vue plus intégrale de la migration intérieure en Chine.D’abord, nous nous interrogeons sur les déterminants du choix de la localisation. Le résultat économétrique montre que la migration temporaire est plus déterminée que la migration permanente par les caractéristiques du marché du travail (salaire et chômage). Par ailleurs, les afflux de l’IDE et le développement de l’entreprise rurale représentent un attrait significatif pour les migrants temporaires, contrairement aux migrants permanents. L’autre remarque consiste dans l’attraction des régions autonomes de minorité à l’égard des migrants permanents.Ensuite, nous nous demandons si les deux types de migration créent des différences en termes de profils individuels et d’insertions professionnelles des migrants. Les permanents sont plus qualifiés que les natifs urbains alors que les temporaires sont loin derrière. Quant aux insertions professionnelles, deux indicateurs sont choisis : accès à l’emploi et rémunération. Les temporaires gagnent de 14 à 20% de moins, même si les attributs du capital humain sont contrôlés. Sans discrimination institutionnelle, ils verraient leur proportion dans l’auto-recrutement baisser de 34 %, alors qu’elle augmenterait de 11% pour l’employé et de 50% pour l’ouvrier, toutes choses égales par ailleurs. Or, les permanents sont beaucoup mieux insérés. Ils connaissent seulement une légère discrimination salariale, mais une « discrimination positive » pour l’accès à l’emploi par rapport aux natifs.A la fin de la thèse, nous nous intéressons aux rationalités du système du Hukou. D’une part, la ville d’accueil se sert du Hukou, grâce à la migration permanente, pour attirer les facteurs de production dont elle a besoin : capital et travail qualifié. D’autre part, elle peut bénéficier de la main-d’oeuvre de moindre coût, sans assumer les coûts sociaux à travers la migration temporaire. La Chine en a retiré des gains considérables, tels que la sécurité alimentaire, l’industrialisation à faible coût et la diminution du chômage urbain. Mais les coûts du maintien de ce système sont devenus plus préoccupants à l’heure actuelle, dans la mesure où il renforce la disparité économique, restreint la demande intérieure et forme une attention insuffisante sur les droits et l’égalité. C’est pourquoi nous proposons des mesures de réforme en insistant sur le rôle du gouvernement central<br>In China, internal migrations are governed by the Hukou system. This system distinguishes between rural and urban residents and gives citizens' right to public service of the place of registration. We distinguish two types of migration depending on whether the individual was able to convert/transfer his/her Hukou during his/her moves: permanent and temporary migrations. This study will adopt a dichotomous and comparatist approach so as to have a more comprehensive view of internal migrations in China.First of all, we will analyze the determining factors of location purposes. The econometric result suggests that, compared to permanent migration, temporary moves are caused by variations in the labour market (wages, unemployment). Furthermore, the FDI inflows, and EVB (village enterprise) development are great incentives for temporary migration unlike permanent migration. Another observation is related to the attractiveness of autonomous minority regions for permanent migrants.Secondly, we wonder if both types of migration generate some differences in the individual profiles and the integration of workers. Permanent migrants are more qualified than urban residents, while temporary migrants are far behind them. As far as vocational integration is concerned, two indicators have been selected: access to employment and wages. The temporary workers earn 14 to 20% less than the others; their ratio in self-recruitment would otherwise be 34% lower but it would be 11% higher for the employee and 50% for the worker, all things being equal. On the other hand, the permanent migrants are only faced with low wage discrimination, and to a “positive discrimination” as far as access to employment is considered.At the end of the thesis, we will focus on the rationale of the Hukou system. The host towns resort to the Hukou system to attract permanent migrants in order to obtain the production factors they need: investment and skilled labour. Through temporary migration, they can take benefit from low-cost manpower without accepting the social costs. It is obvious that China has substantially gained by the contemporary Hukou system: food security, low-cost industrialization, and control over urban unemployment. However, the cost of maintaining it is increasingly worrying since it reinforces economic disparity, reduces domestic demand, and causes the policy to depart from aim of right and equality. In this case, it will be an opportunity to propose reforms while emphasising the role of the central government

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Bücher zum Thema "Migration"

European Network of Geography Teachers' Associations. and Geographical Association, eds. Demography & migration =: Démographie & migrations. Sheffield: Geographical Association, 1996.

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Neck, Reinhard, and Heinrich Schmidinger, eds. Migration. Wien: Böhlau Verlag, 2013. http://dx.doi.org/10.7767/boehlau.9783205789871.

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Samers, Michael. Migration. Second edition. | New York : Routledge, 2017. |: Routledge, 2016. http://dx.doi.org/10.4324/9781315684307.

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Hummrich, Merle, and Saskia Terstegen. Migration. Wiesbaden: Springer Fachmedien Wiesbaden, 2020. http://dx.doi.org/10.1007/978-3-658-20548-5.

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Steve, Parker. Migration. New York: Gloucester Press, 1992.

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Jakubowicz, Linda, and Gertrud Rauch. Migration. Vienna, Austria: Federal Ministry of the Interior, Law Enforcement Academy, Institute for Science and Research, 2009.

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Czerneda, Julie. Migration. New York: Penguin USA, Inc., 2009.

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Paul, Bennett. Migration. New York: Thomson Learning, 1995.

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Hogan, James P. Migration. Riverdale, NY: Baen, 2010.

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Samers, Michael. Migration. Milton Park, Abingdon, Oxon: Routledge, 2010.

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Buchteile zum Thema "Migration"

Schrover, Marlou. "Migration Histories." In IMISCOE Research Series, 25–46. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-92377-8_2.

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AbstractIt is impossible to cover the history of global migrations in one chapter. The literature on global migration has increased rapidly since the 1980s. This increase is more-or-less in line with the increase in publications on migration control and migration management. The number of publications about global migration history is much less. This chapter will and cannot not cover the global migrations in the past 2000 years, but rather it will look critically at data collections, present biases in migration history, and will give a helicopter view of major migrations.

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Nyaoro, Dulo. "Migrating Out of Migration." In Routledge Handbook of Contemporary African Migration, 197–209. London: Routledge, 2023. http://dx.doi.org/10.4324/9781003005551-15.

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Guveli, Ayse, Harry B. G. Ganzeboom, Lucinda Platt, Bernhard Nauck, Helen Baykara-Krumme, Şebnem Eroğlu, Sait Bayrakdar, Efe K. Sözeri, and Niels Spierings. "Migration and Return Migration." In Intergenerational Consequences of Migration, 49–68. London: Palgrave Macmillan UK, 2016. http://dx.doi.org/10.1057/9781137501424_4.

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Cassee, Andreas. "Migration." In Handbuch Gerechtigkeit, 423–28. Stuttgart: J.B. Metzler, 2016. http://dx.doi.org/10.1007/978-3-476-05345-9_69.

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Soto-Valdez, Herlinda. "Migration." In Poly(Lactic Acid), 181–88. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2010. http://dx.doi.org/10.1002/9780470649848.ch13.

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Doolittle, Donald P. "Migration." In Advanced Series in Agricultural Sciences, 83–87. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-71734-5_17.

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Edwards, Elsy. "Migration." In Issues & Arguments, 248–54. London: Macmillan Education UK, 1989. http://dx.doi.org/10.1007/978-1-349-11090-2_42.

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Houston, R. A. "Migration." In The Population History of Britain and Ireland 1500–1750, 58–65. London: Palgrave Macmillan UK, 1992. http://dx.doi.org/10.1007/978-1-349-12712-2_6.

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O’Donnell, Gerard. "Migration." In Mastering Sociology, 207–20. London: Macmillan Education UK, 1988. http://dx.doi.org/10.1007/978-1-349-10247-1_17.

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Oltmer, Jochen. "Migration." In Handbuch Staat, 1535–45. Wiesbaden: Springer Fachmedien Wiesbaden, 2018. http://dx.doi.org/10.1007/978-3-658-20744-1_138.

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Konferenzberichte zum Thema "Migration"

Carrasco, Andrés, Brent van Bladel, and Serge Demeyer. "Migrating towards microservices: migration and architecture smells." In ASE '18: 33rd ACM/IEEE International Conference on Automated Software Engineering. New York, NY, USA: ACM, 2018. http://dx.doi.org/10.1145/3242163.3242164.

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Sun, Hongchuan, and Gerard T. Schuster. "Wavepath migration versus Kirchhoff migration." In SEG Technical Program Expanded Abstracts 1999. Society of Exploration Geophysicists, 1999. http://dx.doi.org/10.1190/1.1820703.

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LANGLO, ERIK, DAVID MOLLENHAUER, and MICHAEL CZABAJ. "EXPERIMENTAL AND NUMERICAL ANALYSIS OF CRACK MIGRATION IN CARBON-EPOXY COMPOSITES SUBJECTED TO SHEAR LOADING." In Proceedings for the American Society for Composites-Thirty Eighth Technical Conference. Destech Publications, Inc., 2023. http://dx.doi.org/10.12783/asc38/36711.

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This study investigates shear-driven intralaminar crack migration and delamination in tape-laminate carbon-epoxy composites. A new test procedure is proposed using the end-loaded-split (ELS) test configuration combined with a dual actuator load frame to control the crack migration process caused by shear loading. Several experimental ELS tests were completed to gain a full understanding of the migration process, with results indicating that the crack migrations and delaminations are repeatable and can be used for numerical validation. Numerical models were able to replicate the linear elastic response of experimental specimens but had discrepancies when simulating crack growth. Migrations could be captured but transverse damage growth and delamination following migration events gave inconsistent results.

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Panda, Rajendran, Abhijit Dharchoudhury, Tim Edwards, Joe Norton, and David Blaauw. "Migration." In the 35th annual conference. New York, New York, USA: ACM Press, 1998. http://dx.doi.org/10.1145/277044.277150.

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Yu, Jianhua, and Gerard T. Schuster. "Migration deconvolution vs. least squares migration." In SEG Technical Program Expanded Abstracts 2003. Society of Exploration Geophysicists, 2003. http://dx.doi.org/10.1190/1.1817451.

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Kadavy, Tomas, Michal Pluhacek, Adam Viktorin, and Roman Senkerik. "Self-organizing migrating algorithm with clustering-aided migration." In GECCO '20: Genetic and Evolutionary Computation Conference. New York, NY, USA: ACM, 2020. http://dx.doi.org/10.1145/3377929.3398129.

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Novosad, Kristina. "Population migration in an interdisciplinary dimension." In Sociology – Social Work and Social Welfare: Regulation of Social Problems. Видавець ФОП Марченко Т.В., 2023. http://dx.doi.org/10.23939/sosrsw2023.072.

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Backgroud: "Population migration" is a term that has many meanings. Population migration can manifest itself in such forms as nomadism, pilgrimage, wanderings, urbanization, ruralization, etc. Population migrations have a long history, but are relatively little studied. In Western Europe and North America, population migration became the object of sociological research only from the middle of the 19th century. Interest in the study of population migration has become relevant due to the needs of studying the adaptation of immigrants in host countries and studying the consequences of mass emigration of the working population from donor countries. Purpose: To carry out a systematization and comparative analysis of the main approaches to the study of migration in sociology and other socio-humanitarian disciplines. Methods: The work uses a number of general scientific and special sociological methods: logicalsemantic - for analyzing and deepening the conceptual apparatus of the concept of external migration; comparative analysis of the results of statistical and specifically sociological studies of migration. Results: A significant increase in the scale and intensity of international population migration at the end of the 20th and the beginning of the 21st century led to the interest of Ukrainian sociologists in the issue of migration. The theoretical and methodological approaches of Western researchers echo the approaches of post-Soviet scientists, in particular, in the recognition of the interdisciplinary nature of population migration studies. Thus, there are six sociological approaches to the study of migration. At the same time, V. Iontsev noted that to the sociological approach "it would be possible to add the classification of migration flows according to vertical and horizontal characteristics and the theory of "rational expectations". Conclusion: Within the scope of the comprehensive study, a broad classification of approaches to the study of migration was presented. V. Iontsev's classification included 17 scientific approaches to the study of population migration, which, in turn, united 45 scientific directions, were classified as: the concept of "attraction - repulsion" by E. Lee (E. Lee); ethnosociological approach K. Davis (K. Davis), Y. Harutyunyan; the theory of "migration chain" D. Gurac (D. Gurac), F. Caces (F. Caces), D. Massey (D. Massey), A. Simmons (A. Simmons); the cultural approach of H. Esse, J. Rex, J. Bustamante; assimilation theory of H. Werner (H. Werner), M. Gordon (M. Gordon); sociological theory of migration (sociology of migration) by T. Zaslavska, T. Yudina. Keywords: migration, social migration, population migration

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Wu, Ru‐Shan, Fusheng Yang, Zhenli Wang, and Ling Zhang. "Migration operator compression by wavelet transform: Beamlet migrator." In SEG Technical Program Expanded Abstracts 1997. Society of Exploration Geophysicists, 1997. http://dx.doi.org/10.1190/1.1885741.

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Sheng, Jianming, and Chengbin Peng. "Gaussian Beam De-Migration and Re-Migration." In GEO 2010. European Association of Geoscientists & Engineers, 2010. http://dx.doi.org/10.3997/2214-4609-pdb.248.093.

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Nus, Alexander, and Danny Raz. "Migration plans with minimum overall migration time." In NOMS 2014 - 2014 IEEE/IFIP Network Operations and Management Symposium. IEEE, 2014. http://dx.doi.org/10.1109/noms.2014.6838358.

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Berichte der Organisationen zum Thema "Migration"

Gutiérrez Rodríguez, Encarnación. Entangled Migrations The Coloniality of Migration and Creolizing Conviviality. Maria Sibylla Merian International Centre for Advanced Studies in the Humanities and Social Sciences Conviviality-Inequality in Latin America, 2021. http://dx.doi.org/10.46877/rodriguez.2021.35.

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This Working Paper discusses entangled migrations as territorially and temporally entangled onto-epistemological phenomena. As a theoretical-analytical framework, it addresses the material, epistemological and ethical premises of spatial-temporal entanglements and relationality in the understanding of migration as a modern colonial phenomenon. Entangled migrations acknowledges that local migratory movements mirror global migrations in complex ways, engaging with the analysis of historical connections, territorial entrenchments, cultural confluences, and overlapping antagonistic relations across nations and continents. Drawing on European immigration to the American continent and specifically to Brazil in the 19th century, this argument is tentatively developed by discussing two opposite moments of entangled migrations, the coloniality of migration and creolizing conviviality. To do this, the paper engages first with the theoretical framework of spatial-temporal entanglements. Second, it approaches the coloniality of migration. Finally, it briefly discusses creolizing conviviality.

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Porte, Robert. Migration / Movement. Portland State University Library, January 2016. http://dx.doi.org/10.15760/honors.241.

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Handler, Stephen, Carrie Pike, Brad St. Clair, Hannah Abbotts, and Maria Janowiak. Assisted Migration. USDA Forest Service Climate Change Resource Center, May 2018. http://dx.doi.org/10.32747/2018.6893746.ch.

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Evidence suggests that species have responded individually during historic periods of dramatic climate change through geographic migrations to and from unique glacial refugia [1, 2, 3]. Recent research has demonstrated that many tree species are already undergoing distribution shifts in response to climate change, with different studies highlighting species that are moving poleward and higher in elevation [4], or moving east-west to track changes in moisture availability [5].

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Razin, Assaf. Migration into the Welfare State: Tax and Migration Competition. Cambridge, MA: National Bureau of Economic Research, August 2013. http://dx.doi.org/10.3386/w19346.

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Berggren, Erik, ed. Master in Ethnic & Migration Studies: Migration from Ukraine. Linköping University Electronic Press, September 2022. http://dx.doi.org/10.3384/9789179295103.

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This report is made by students at the International Master’s Programme in Ethnic and Migration Studies (EMS), Campus Norrköping, Linköping University (LiU). Every Spring we give the first-year students the task to apply their knowledge in migration and ethnic relations on a chosen topic. The report is produced during few weeks by the students themselves. This is the sixth issue of REMS – Reports from the Master of Arts program in Ethnic and Migration Studies. This year we focus on the ongoing war in Ukraine and specifically its consequences for Ukrainian refugees fleeing the war, as well as on the Swedish and European reception of refugees. We cover far from all, but some important, aspects of the ongoing catastrophe this war entails for everybody involved. Despite a feeling of powerlessness and despair when war takes over and seem to block our capacity to think and act, it is even more important that intellectuals, researchers, and students, stick to the pens and insist on trying to understand, continue to analyse and investigate what is going on.

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Elgar, Steve. Onshore Sandbar Migration. Fort Belvoir, VA: Defense Technical Information Center, December 2002. http://dx.doi.org/10.21236/ada414135.

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Razin, Assaf, and Efraim Sadka. Migration and Pension. Cambridge, MA: National Bureau of Economic Research, November 1998. http://dx.doi.org/10.3386/w6778.

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Ishikawa, Tomonori. IDB Migration Seminar. Inter-American Development Bank, April 2005. http://dx.doi.org/10.18235/0006563.

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This document is about Japanese immigrants, including those originating from Okinawa, played in Latin American society as well as the issues concerning the impact that both sides have made on each other.

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Berggren, Erik. Migration and Culture. Linköping University Electronic Press, August 2024. http://dx.doi.org/10.3384/9789180757638.

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This report is written by students in the Ethnic and Migration Studies Master’s Programme, part of the Research Institute in Migration, Ethnicity, and Society (REMESO) at Linköping University, based on the Norrköping campus. REMESO is an internationally renowned institute that pursues research in migration and ethnic relations. The Master’s Programme is highly sought after, with students coming from all over the world to attend. Their interest in how migration transforms the world and how it influences other social phenomena has fuelled their work in this publication. In their first year of studies, students take the course Critical Cases in Ethnic and Migration Studies, led by Erik Berggren as course coordinator and Kenna Sim-Sarka. The course is designed for students to apply the theoretical knowledge and experiences gained throughout the first year’s courses to produce articles beyond an academic audience for the broader public. Each REMS report is based around a specific theme, with previous themes including migration and Covid-19, migration and Ukraine, and migration and democracy. The REMS report is one of the many ways in which we, as students, are trained to identify and analyse issues related to migration, integration, and diversity and to make research accessible to a wider audience. This year’s overarching theme is Migration and Culture, sparked by recent developments in Sweden’s and Norrköping’s politics of decreasing and cutting funds for cultural activities. Arts and culture are both areas of expression for migrant communities and people on the move, as well as those fighting against racism, discrimination, and exclusion. The current debate on “Swedish culture” and on a “Swedish cultural canon” recalls monolithic understandings of culture as a natural and immutable construct, contributing to the polarisation of views rather than the multiplication of perspectives and conceptions of it. Like culture, which can be visualised as a tapestry created from different threads, different contributions, woven together to form something complex, this report is also a collection of varied articles, united by a common theme. Some articles in this report look at the accessibility of culture in Sweden and its transmission through all kinds of mediums, such as TV programmes; others engage artists or “social artists” who care about issues like migration and the fight against racism and discrimination, and some focus on specific aspects of culture and arts, such as language, food, and music. The first-year students of EMS, 2024.

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Berggren, Erik, ed. Migration and democracy. Linköping University Electronic Press, June 2024. http://dx.doi.org/10.3384/9789180753036.

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This report is made by students at the International Master’s Programme in Ethnic and Migration Studies (EMS), Campus Norrköping, Linköping University (LiU). At the end of the first year of the Programme, students take the course “Critical Cases in Ethnic and Migration Studies” with Erik Berggren as Course Coordinator. In this course the students apply their knowledge and experiences in Ethnic and Migration studies to produce their own articles on a given theme. This year´s theme is “Migration and Democracy” sparked by recent moves towards more restrictive and punitive migration policies around the world, including Sweden. This development gives reasons to look into questions of democracy in connection to migration policy, at migrants (immigrants, refugees, and asylum seekers) inclusion or exclusion from different realms of society, and, not least, if migrants, and immigrants, are seen as rights-bearing subjects or not. The articles engage with different aspects of migrant experiences, and democratic, social, and educational exclusions or inclusions. Many texts go beyond Sweden and Europe and look to South America. Some seek the voices of migrants themselves. Other articles deal with anti-immigrant policies and rhetoric, their structure and how they are rationalised. The International Master’s Programme in Ethnic and Migration Studies is a part of the Institute for Research in Migration, Ethnicity and Society (REMESO), at the Department Culture and Society (IKOS) at LiU. Programme Director is Professor Claudia Tatzreiter. REMESO is an international institute that pursues research and education. The REMS report is one of the ways in which we, as students, are trained to identify and analyse problems related to migration, integration, and diversity and to make research and education accessible to a wider audience. The first-year students of EMS, 2023.

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