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Journal articles on the topic 'Migration movement'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Bøe, Kristin, Michael Power, Martha J. Robertson, et al. "The influence of temperature and life stage in shaping migratory patterns during the early marine phase of two Newfoundland (Canada) Atlantic salmon (Salmo salar) populations." Canadian Journal of Fisheries and Aquatic Sciences 76, no. 12 (2019): 2364–76. http://dx.doi.org/10.1139/cjfas-2018-0320.

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Owing to the iteroparous nature of Atlantic salmon (Salmo salar), a seaward migrating cohort may consist of juveniles and adults that differ in size, maturity, experience, and in the motivation and consequences of migratory movements. Few studies have investigated the role of ontogeny in shaping intrapopulation variability in movement patterns among Atlantic salmon monitored under the same environmental conditions. This study contrasted the movements of smolts and kelts in two Canadian (Newfoundland) populations from marine entry through coastal embayments and quantified the influence of local

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Sanderfer Doss, Selena. "Looking for Better: A History of Black Southern Migrations." Midwest Social Sciences Journal 24, no. 1 (2021): 1–8. http://dx.doi.org/10.22543/0796.241.1071.

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A broad overview of migrations affecting black southerners is presented, including the Atlantic slave trade, the domestic slave trade, colonization movements to Sierra Leone and Liberia, the Exoduster movement, the Great Migration, and the Return South migration. Emigrants convey their experiences and motivations through testimonies and personal accounts. Surviving the trauma of forced migrations, black southerners organized numerous migration movements both outside and within American polities in search of better opportunities. In the late 20th century, black southerners also initiated a retu

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McMillan, M. N., C. Huveneers, J. M. Semmens, and B. M. Gillanders. "Partial female migration and cool-water migration pathways in an overfished shark." ICES Journal of Marine Science 76, no. 4 (2018): 1083–93. http://dx.doi.org/10.1093/icesjms/fsy181.

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Abstract Knowledge about reproductive movements can be of important conservation value for over-exploited species that are vulnerable when moving between and within key reproductive habitats. Lack of knowledge persists around such movements in the overfished school shark Galeorhinus galeus in Australia. Management assumes all pregnant females migrate between adult aggregations in the Great Australian Bight, South Australia, and nursery areas around Bass Strait and Tasmania. We tracked 14 late-term pregnant females tagged in South Australia using satellite-linked pop-up archival tags to investi

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4

Kotef, Hagar. "Migration, settlement, movement." Cultural Dynamics 30, no. 3 (2018): 214–19. http://dx.doi.org/10.1177/0921374018795232.

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5

Nager, Cody. "Migration Without Movement." Journal of Early American History 15, no. 1-2 (2025): 30–59. https://doi.org/10.1163/18770703-15010203.

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Abstract The growing borders of early America encompassed numerous tenuously affiliated migrants, who did not move but found themselves inside expanding national borders. These migrants presented a legal conundrum. Were they subject to the standard naturalization process or were they considered citizens due to the treaties incorporating the territory on which they resided? Debates originated with the 1794 Jay Treaty and reached their zenith with the 1803 Louisiana Purchase. The Jay Treaty debate established battle lines, but the small number of residents ensured tensions were subsumed into lat

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Barriteau, Violet Eudine. "Meditations on Migrations of Gender, Mobility, and Movement from the Commonwealth Caribbean." Frontiers: A Journal of Women Studies 45, no. 2 (2024): 45–78. http://dx.doi.org/10.1353/fro.2024.a935656.

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Abstract: This article constitutes a multilayered feminist analysis of the intertwining of gender, mobility, and migration in the post-emancipation, Commonwealth Caribbean. In interrogating the nexus of gender and migration the article exposes how migration narratives have become misgendered through a linear equation of gender in migration with the physical presence of migrating women in receiving countries or with migration policies overtly encouraging women's migration. This results in an incorrect knowledge claim that gender became a factor in Caribbean migration in the post–World War II pe

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Brown, J. Morgan, and Philip D. Taylor. "Adult and hatch-year blackpoll warblers exhibit radically different regional-scale movements during post-fledging dispersal." Biology Letters 11, no. 12 (2015): 20150593. http://dx.doi.org/10.1098/rsbl.2015.0593.

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Using a broad-scale automated telemetry array, we explored post-fledging movements of blackpoll warblers breeding in Atlantic Canada. We sought to determine the full spatial scale of post-fledging dispersal, to assess support for three hypotheses for regional-scale post-fledging movement, and to determine whether learning influenced movement during this period. We demonstrated that both young and adults moved over distances more than 200 km prior to initiating migration. Adults moved southwest, crossing the Gulf of Maine (GOM), consistent with the commencement of migration hypothesis. Hatch-ye

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Maida, Jared R., Christine A. Bishop, and Karl W. Larsen. "Migration and disturbance: impact of fencing and development on Western Rattlesnake (Crotalus oreganus) spring movements in British Columbia." Canadian Journal of Zoology 98, no. 1 (2020): 1–12. http://dx.doi.org/10.1139/cjz-2019-0110.

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Due to increasing anthropogenic pressures, including land-use transformation globally, the natural process of animal migration is undergoing alterations across many taxa. Small-scale migrants provide useful systems at workable scales for investigating the influence of disturbance and landscape barriers on natural movement patterns and migrations. The Western Rattlesnake (Crotalus oreganus Holbrook, 1840) in British Columbia, Canada, is a small, migrant predator that undertakes seasonal spring movements from its communal hibernaculum to summer hunting and mating grounds and reverses its movemen

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Lennox, Robert J., Finn Økland, Hiromichi Mitamura, Steven J. Cooke, and Eva B. Thorstad. "European eel Anguilla anguilla compromise speed for safety in the early marine spawning migration." ICES Journal of Marine Science 75, no. 6 (2018): 1984–91. http://dx.doi.org/10.1093/icesjms/fsy104.

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Abstract There are substantial benefits to potential fitness conferred to animals that undertake migrations. However, animals must make compromises to maximize survival and compensate for the risks associated with long-distance movement. European eel (Anguilla anguilla), a migratory catadromous fish, has undergone population declines owing to changes in marine and freshwater habitat and interactions with human infrastructure, instigating research to investigate the mechanisms controlling their migration. Yellow-phase European eels from the local River Opo and silver-phase European eels transpl

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Andrews-Goff, Virginia, Nick Gales, Simon Childerhouse, Sarah Laverick, Andrea Polanowski, and Michael Double. "Australia's east coast humpback whales: Satellite tag-derived movements on breeding grounds, feeding grounds and along the northern and southern migration." Biodiversity Data Journal 11 (December 11, 2023): e114729. https://doi.org/10.3897/BDJ.11.e114729.

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Satellite tags were deployed on 50 east Australian humpback whales (breeding stock E1) between 2008 and 2010 on their southward migration, northward migration and feeding grounds in order to identify and describe migratory pathways, feeding grounds and possible calving areas. At the time, these movements were not well understood and calving grounds were not clearly identified. To the best of our knowledge, this dataset details all long-term, implantable tag deployments that have occurred to date on breeding stock E1. As such, these data provide researchers, regulators and industry with clear a

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Azamatova, Gulmira. "THE MOVEMENT OF WOMEN IN POPULATION MIGRATION:PROBLEMS AND SOLUTION." JOURNAL OF LOOK TO THE PAST 23, no. 2 (2019): 14–23. http://dx.doi.org/10.26739/2181-9599-2019-23-02.

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Nowadays,the quantity of migration in Uzbekistan are being highlighted through the statistical data given by results of demographic trends in this area. The general migration, especially. participation of females is a process which is full of contradictions and complexities. That is why ,in this article some reasons of female migrations have been studied

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12

Singha, Komol. "Migration, Ethnicity-based Movements and State’s Response." International Studies 55, no. 1 (2018): 41–60. http://dx.doi.org/10.1177/0020881718754958.

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Following reclamation of Assamese ethnic identity, the movements for making Assam a nation province started in the 1960s. The caveat, however, was the ever-growing Bengali migrants from Bangladesh. The Assamese movement, bolstered by the exclusivity and dominance, caused resentment from the non-Assamese communities and this ostracism was manifested in the form of counter movements. After restoring normalcy for a few years, armed movement for secession kicked-off in the early 1980s and intensified in the 1990s. Unfortunately, State’s intervention failed to contain protracted conflicts, rather c

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13

Trepat, Xavier, Zaozao Chen, and Ken Jacobson. "Cell Migration." Comprehensive Physiology 2, no. 4 (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

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NISSEN, BRUCE. "Labor Movement: How Migration Regulates Labor Markets:Labor Movement: How Migration Regulates Labor Markets." American Anthropologist 109, no. 2 (2007): 367. http://dx.doi.org/10.1525/aa.2007.109.2.367.1.

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15

Kotowski, Susan E., Kermit G. Davis, Neal Wiggermann, and Rachel Williamson. "Quantification of Patient Migration in Bed." Human Factors: The Journal of the Human Factors and Ergonomics Society 55, no. 1 (2013): 36–47. http://dx.doi.org/10.1177/0018720812474300.

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Objective: The study objective was to quantify the movement of hospital bed occupants relative to the bed in typical bed articulations. Background: Movement of a patient in bed results in two common adverse events: (a) increase in shear and friction forces between the patient and bed, which are extrinsic pressure ulcer risk factors, and (b) musculoskeletal injuries to nurses, resulting from repositioning patients who have migrated down in bed. Method: The study involved 12 participants who lay supine in three hospital beds, which were articulated to common positions. Body movement relative to

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16

Wells, William A. "Movement in Colorado." Journal of Cell Biology 160, no. 7 (2003): 985–88. http://dx.doi.org/10.1083/jcb1607mr.

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17

MELNYK, Iryna. "TOURISM AND LABOR MIGRATION IN THE CONTEXT OF UKRAINE'S INTERNATIONAL INTEGRATION." Ukrainian Journal of Applied Economics 6, no. 1 (2021): 203–9. http://dx.doi.org/10.36887/2415-8453-2021-1-24.

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International processes of globalization are intensifying labor migration. With the proclamation of independence in Ukraine, migration processes, especially labor, have significantly revived, and obtaining a visa-free regime has greatly simplified the international mobility of its citizens. In this regard, studies of the relationship between tourist activity and labor migration of the population of Ukraine are updated. A comparison of the essence of the concepts of “migration” and “tourism” indicates the presence of common essential features, in particular the moment of movement. This makes to

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Petkovic, Dara. "Influence of migrational components of the Srem district on demographic growth." Zbornik Matice srpske za drustvene nauke, no. 131 (2010): 155–64. http://dx.doi.org/10.2298/zmsdn1031155p.

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The areas of Srem, and other parts of Vojvodina, are characterized by the constant movement of the population. Most causes of migration are economic, social, ethnic or political reasons. Migration could be voluntarily or forced, mass or individual, occasional or planned. The stated causes of migration occurring in Srem since 1961 to 1991 were mainly routed to the cities for economic reasons. The cities have absorbed the largest number of migrants provided by the rural hinterland. More intensive population movement was towards larger regional centers, resulting in some differences between urban

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19

Tian, Pengxin, Guannan Si, Zhaoliang An, Jianxin Li, and Fengyu Zhou. "Service Migration Strategy Based on Multi-Attribute MDP in Mobile Edge Computing." Electronics 11, no. 24 (2022): 4070. http://dx.doi.org/10.3390/electronics11244070.

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In order to solve the problem of service interruption caused by user movement and the limited service range of edge nodes, a service migration algorithm based on the multi-attribute Markov decision process was proposed for mobile edge computing. By performing service migration, the distance between the user and the service is always kept to a small range. In addition, in order to prevent the service quality from being affected by the frequent migration of users, the return function of the model was defined by comprehensively considering the service quality, the resource demand of the service,

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20

Wor, Catarina, Murdoch K. McAllister, Steven J. D. Martell, Nathan G. Taylor, and Carl J. Walters. "A Lagrangian approach to model movement of migratory species." Canadian Journal of Fisheries and Aquatic Sciences 75, no. 8 (2018): 1203–14. http://dx.doi.org/10.1139/cjfas-2017-0093.

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We introduce a Lagrangian movement model that can be used to characterize cyclic migrations of iteroparous fish populations. We demonstrate how movement parameters can be estimated using conventionally available catch-at-age data and provide a description of the potential bias that may arise from model misspecification, data aggregation, and nonstandardized sampling effort. The model can be extended to incorporate covariates representing biological and environmental forces that alter the distribution and migration range of exploited populations. We expect that this movement model will be a use

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21

Otterstrom, Samuel M. "International Real Estate Review." International Real Estate Review 18, no. 2 (2015): 277–302. http://dx.doi.org/10.53383/100202.

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This paper models one facet of the relationship between housing market price shifts and income migration among U.S. regions: how income migration relates to regional housing price clusters. The tremendous negative slide in national housing prices from 2006 to 2012 had an uneven spatial distribution. These differences are explored within the context of net income and net population migration (movement of money with people). Median housing prices for urban areas from 2005 to 2010 and IRS county-to-county migration data are used to compare income migration among urban clusters of similar housing

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22

Duany, Jorge. "Caribbean Migration to Puerto Rico: A Comparison of Cubans and Dominicans." International Migration Review 26, no. 1 (1992): 46–66. http://dx.doi.org/10.1177/019791839202600103.

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Cuban and Dominican migration to Puerto Rico is a recent example of the intra-Caribbean movements initiated over 200 years ago. This article argues that migration within the Caribbean is as important as migration outside the region. To begin, the historical literature shows that intra-Caribbean migration preceded the movement to North America and Europe. Furthermore, migration within the region has always been heterogeneous in its socioeconomic composition and motivations. The present essay examines the similarities and differences between Cubans and Dominicans in Puerto Rico. Its objectives a

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23

Bidisha. "Poems of Movement and Migration." Wasafiri 33, no. 1 (2018): 9–10. http://dx.doi.org/10.1080/02690055.2018.1395155.

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24

Holtschneider, Hannah. "Introduction: Jews: migration, movement, location." Jewish Culture and History 20, no. 1 (2019): 1–2. http://dx.doi.org/10.1080/1462169x.2019.1557459.

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Mary Kelly, Aidan Slingsby, Jason Dykes, and Jo Wood. "Mapping ‘sluggish’ migration: Irish internal migration 1851 – 1911." Irish Geography 54, no. 2 (2022): 89–108. http://dx.doi.org/10.55650/igj.2021.1461.

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Emigration is a major theme in Ireland’s demographic history and has, as a result, received significant attention in scholarship. By contrast, the less prominent story of internal migration has been much less researched. This has resulted in a neglect of the changing geographies of those who remained in Ireland. Here we use Origin-Destination (OD) and Destination-Origin (DO) maps to explore changing patterns of internal migration in Ireland from 1851 to 1911. In doing so, we show that up to 1851 internal migration primarily involved the movement of people to neighbouring counties, even in the

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Horton, Travis W., Richard N. Holdaway, Alexandre N. Zerbini, et al. "Straight as an arrow: humpback whales swim constant course tracks during long-distance migration." Biology Letters 7, no. 5 (2011): 674–79. http://dx.doi.org/10.1098/rsbl.2011.0279.

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Humpback whale seasonal migrations, spanning greater than 6500 km of open ocean, demonstrate remarkable navigational precision despite following spatially and temporally distinct migration routes. Satellite-monitored radio tag-derived humpback whale migration tracks in both the South Atlantic and South Pacific include constant course segments of greater than 200 km, each spanning several days of continuous movement. The whales studied here maintain these directed movements, often with better than 1° precision, despite the effects of variable sea-surface currents. Such remarkable directional pr

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Long, K. "When refugees stopped being migrants: Movement, labour and humanitarian protection." Migration Studies 1, no. 1 (2013): 4–26. http://dx.doi.org/10.1093/migration/mns001.

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Barnard, Catherine, and Sarah Fraser Butlin. "Free movement vs. fair movement: Brexit and managed migration." Common Market Law Review 55, Special Issue (2018): 203–26. http://dx.doi.org/10.54648/cola2018064.

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The aim of this article is to propose a new concept of free movement of persons, based on the notion of “fair movement” or managed migration. In the context of the UK becoming a neighbouring State, but hoping to maintain access to the Single Market, the article explores possibilities of greater control for the host State while keeping some of the benefits of existing EU free movement rules. It recalls the discussions of free movement of workers at the time the EEC was established; it also looks at the differentiated provisions covering free movement of persons between the EU and EEA States, an

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Stich, Daniel S., Michael T. Kinnison, John F. Kocik, and Joseph D. Zydlewski. "Initiation of migration and movement rates of Atlantic salmon smolts in fresh water." Canadian Journal of Fisheries and Aquatic Sciences 72, no. 9 (2015): 1339–51. http://dx.doi.org/10.1139/cjfas-2014-0570.

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Timing of ocean entry is critical for marine survival of both hatchery and wild Atlantic salmon (Salmo salar) smolts. Management practices and barriers to migration such as dams may constrain timing of smolt migrations resulting in suboptimal performance at saltwater entry. We modeled influences of stocking location, smolt development, and environmental conditions on (i) initiation of migration by hatchery-reared smolts and (ii) movement rate of hatchery- and wild-reared Atlantic salmon smolts in the Penobscot River, Maine, USA, from 2005 through 2014 using acoustic telemetry data. We also com

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Shi, Xu, Baptiste Schmid, Philippe Tschanz, Gernot Segelbacher, and Felix Liechti. "Seasonal Trends in Movement Patterns of Birds and Insects Aloft Simultaneously Recorded by Radar." Remote Sensing 13, no. 9 (2021): 1839. https://doi.org/10.5281/zenodo.4776163.

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<strong>Abstract</strong> Airspace is a key but not well-understood habitat for many animal species. Enormous amounts of insects and birds use the airspace to forage, disperse, and migrate. Despite numerous studies on migration, the year-round flight activities of both birds and insects are still poorly studied. We used a 2 year dataset from a vertical-looking radar in Central Europe and developed an iterative hypothesis-testing algorithm to investigate the general temporal pattern of migratory and local movements. We estimated at least 3 million bird and 20 million insect passages over a 1 km

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O'Boyle, Robert, Micah Dean, and Christopher M. Legault. "The influence of seasonal migrations on fishery selectivity." ICES Journal of Marine Science 73, no. 7 (2016): 1774–87. http://dx.doi.org/10.1093/icesjms/fsw048.

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Abstract Based on previous work, dome-shaped fishery selectivity patterns are expected in place of asymptotic patterns when one-way fish movements among areas are considered. It is less clear if this occurs when the “round-trip” seasonal movements are considered. A simulation of a long-distance migrating fish stock (Atlantic menhaden) was used to study the influence of life history and fishery processes on selectivity, under an “areas as fleet” stock assessment context. When age-constant two-way migration was assumed to occur at a low rate, a domed selectivity pattern in the area experiencing

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Åkesson, Susanne, and Henri Weimerskirch. "Albatross Long-Distance Navigation: Comparing Adults And Juveniles." Journal of Navigation 58, no. 3 (2005): 365–73. http://dx.doi.org/10.1017/s0373463305003401.

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Albatrosses are known for their extreme navigation performance enabling them to locate isolated breeding islands after long-distance migrations across open seas. Little is known about the migration of young albatrosses and how they reach the adults' navigation and foraging skills during the period of immaturity lasting several years and spent permanently flying across the open ocean. We tracked by satellite telemetry the dispersal and migration of 13 juvenile wandering albatrosses from the Crozet Islands during their first year at sea. The young albatrosses covered an average distance of 184,0

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Sinsch, Ulrich. "Movement ecology of amphibians: from individual migratory behaviour to spatially structured populations in heterogeneous landscapes,." Canadian Journal of Zoology 92, no. 6 (2014): 491–502. http://dx.doi.org/10.1139/cjz-2013-0028.

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Both genetic cohesion among local populations of animals and range expansion depend on the frequency of dispersers moving at an interpatch scale. Animal movement has an individual component that reflects behaviour and an ecological component that reflects the spatial organization of populations. The total movement capacity of an individual describes maximum movement distance theoretically achievable during a lifetime, whereas its variation among the members of a local population determines the magnitude of interpatch movements and thus of gene flow between neighbouring patches within metapopul

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Appeldoorn, Richard S., and Björn L. K. Bouwmeester. "Ontogenetic Migration of Juvenile Grunts (Haemulon) across a Coral Reef Seascape: Pathways and Potential Mechanisms." Diversity 14, no. 3 (2022): 168. http://dx.doi.org/10.3390/d14030168.

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Many coral reef fishes undergo ontogenetic migrations from inshore nurseries to offshore reefs. Quantifying cross-habitat connectivity is important for understanding reef fish spatio-temporal dynamics, essential habitat and spatial planning. Past studies show connectivity is mediated by distance and habitat arrangement. Few studies have documented the pathways linking juveniles and adults, nor suggested underlying orientation/navigation processes important for a more generalized understanding of ontogenetic habitat use. Ontogenetic movements of juvenile grunts, primarily Haemulon flavolineatum

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Ichinokawa, Momoko, Atilio L. Coan,, and Yukio Takeuchi. "Transoceanic migration rates of young North Pacific albacore, Thunnus alalunga, from conventional tagging data." Canadian Journal of Fisheries and Aquatic Sciences 65, no. 8 (2008): 1681–91. http://dx.doi.org/10.1139/f08-095.

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This study summarizes US and Japanese historical North Pacific albacore ( Thunnus alalunga) tagging data and uses maximum likelihood methods to estimate seasonal migration rates of young North Pacific albacore. Previous studies related to North Pacific albacore migration have found that the frequency of albacore migrations is difficult to quantify because of inadequate amounts of tags released by the US tagging program in the western Pacific. Use of the combined Japan and US tagging data solves this problem. This study also incorporates specific seasonal migration routes, hypothesized in past

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Baker, J., WE Theurkauf, and G. Schubiger. "Dynamic changes in microtubule configuration correlate with nuclear migration in the preblastoderm Drosophila embryo." Journal of Cell Biology 122, no. 1 (1993): 113–21. http://dx.doi.org/10.1083/jcb.122.1.113.

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Drosophila embryogenesis is initiated by a series of syncytial mitotic divisions. The first nine of these divisions are internal, and are accompanied by two temporally distinct nuclear movements that lead to the formation of a syncytial blastoderm with a uniform monolayer of cortical nuclei. The first of these movements, which we term axial expansion, occurs during division cycles 4-6 and distributes nuclei in a hollow ellipsoid underlying the cortex. This is followed by cortical migration, during cycles 7-10, which places the nuclei in a uniform monolayer at the cortex. Here we report that th

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Panchenko, Tetyana. "FEATURES OF THE MIGRATION MOVEMENT OF UKRAINIANS TO GERMANY AND PROSPECTS FOR ITS DEVELOPMENT." Strategic Panorama, no. 1-2 (December 15, 2019): 37–51. http://dx.doi.org/10.53679/2616-9460.1-2.2019.04.

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The article deals with a popular direction of the migration movement of Ukrainians in the conditions of increasing migration flows from Ukraine, in particular, the migrations of Ukrainians to Germany. The purpose of article is an analysis the current wave of migration from Ukraine to Germany and assessing the prospects for the development of migration processes in this direction. The modern fifth wave of migration from Ukraine to Germany, which began after 2010, stands out as an integral part of the history of Ukrainian migration and differs from the”wage-earning» wave on the grounds that it i

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Shapiro-Phim, Toni. "Cambodia's Seasons of Migration." Dance Research Journal 40, no. 2 (2008): 56–73. http://dx.doi.org/10.1017/s0149767700000383.

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In classical Khmer dance dramas, the fluidity of gestural and choreographic movement is complemented by the seamlessness with which mythical figures move between the realms of sky, earth, and sea. Such mythical migrations have been the subject of Khmer dance dramas for centuries. In this essay I explore the recent development and performance of one specific danced story of migration and the performers' social realities that complicate their relationship to their art and to this story in particular. I discuss transnational migration's impact on current and future possibilities for Khmer classic

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Hessler, Tyler M., Duane C. Chapman, Craig P. Paukert, Jeffrey C. Jolley, and Michael E. Byrne. "Movement ecology of diploid and triploid grass carp in a large reservoir and upstream tributaries." PLOS ONE 18, no. 3 (2023): e0281128. http://dx.doi.org/10.1371/journal.pone.0281128.

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Grass carp Ctenopharyngodon idella, is an herbivorous fish originally brought to North America from Asia in 1963 to control nuisance aquatic vegetation. Since their arrival, detrimental alterations to aquatic ecosystems have sometimes occurred in waterways where they were initially stocked and into which they have escaped. The movements of grass carp from lentic systems into tributaries required for spawning is poorly understood, and understanding environmental conditions associated with upstream migrations may aid in management of the species. We stocked 43 fertile diploid and 43 sterile trip

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Hammad, Ayat S., and Khaled Machaca. "Store Operated Calcium Entry in Cell Migration and Cancer Metastasis." Cells 10, no. 5 (2021): 1246. http://dx.doi.org/10.3390/cells10051246.

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Ca2+ signaling is ubiquitous in eukaryotic cells and modulates many cellular events including cell migration. Directional cell migration requires the polarization of both signaling and structural elements. This polarization is reflected in various Ca2+ signaling pathways that impinge on cell movement. In particular, store-operated Ca2+ entry (SOCE) plays important roles in regulating cell movement at both the front and rear of migrating cells. SOCE represents a predominant Ca2+ influx pathway in non-excitable cells, which are the primary migrating cells in multicellular organisms. In this revi

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Hutterer, Franz P., Benedikt Buchmann, Lisa K. Engelbrecht, and Andreas R. Bausch. "Collective cell migration during human mammary gland organoid morphogenesis." Biophysics Reviews 3, no. 4 (2022): 041401. http://dx.doi.org/10.1063/5.0089767.

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Organ morphogenesis is driven by cellular migration patterns, which become accessible for observation in organoid cultures. We demonstrate here that mammary gland organoids cultured from human primary cells, exhibit oscillatory and collective migration patterns during their development into highly branched structures, as well as persistent rotational motion within the developed alveoli. Using high-resolution live-cell imaging, we observed cellular movement over the course of several days and subsequently characterized the underlying migration pattern by means of optical flow algorithms. Confin

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Patkus, Ronald D. "MUSICAL MIGRATIONS: A CASE STUDY OF THE TERESA CARREÑO PAPERS." RBM: A Journal of Rare Books, Manuscripts, and Cultural Heritage 6, no. 1 (2005): 26–33. http://dx.doi.org/10.5860/rbm.6.1.239.

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When we focus on the migration of collections, we generally think of the movement of these collections into our own repositories, typically in North America. But as we widen our focus, we see other types of collection migrations, including those from America to other countries. What is more, we can even see cases where both of these movements—to and from America—apply to a single collection. Though less frequent than single migrations, multiple migrations raise a variety of key issues for scholars, librarians, and others. The papers of Teresa Carreño, the Venezuelan pianist, composer, and teac

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Henderson, EE, M. Deakos, J. Aschettino, D. Englehaupt, and G. Alongi. "Behavior and inter-island movements of satellite-tagged humpback whales in Hawai’i, USA." Marine Ecology Progress Series 685 (March 10, 2022): 197–213. http://dx.doi.org/10.3354/meps13976.

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Humpback whales Megaptera novaeangliae encountered off the island of Kaua’i, Hawai’i, USA, in 2017, 2018, and 2019 were photo-identified, and 19 whales were equipped with satellite telemetry tags to track their inter-island movements and use their movement behavior to estimate when and where the whales changed their behavior from breeding to migration. Fluke photographs were matched in the online photo-ID repository HappyWhale to track individual observation histories and movement records within the islands and on their way to their feeding grounds. Tag attachment periods were relatively short

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Fullman, Timothy J., Brian T. Person, Alexander K. Prichard, and Lincoln S. Parrett. "Variation in winter site fidelity within and among individuals influences movement behavior in a partially migratory ungulate." PLOS ONE 16, no. 9 (2021): e0258128. http://dx.doi.org/10.1371/journal.pone.0258128.

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Many animals migrate to take advantage of temporal and spatial variability in resources. These benefits are offset with costs like increased energetic expenditure and travel through unfamiliar areas. Differences in the cost-benefit ratio for individuals may lead to partial migration with one portion of a population migrating while another does not. We investigated migration dynamics and winter site fidelity for a long-distance partial migrant, barren ground caribou (Rangifer tarandus granti) of the Teshekpuk Caribou Herd in northern Alaska. We used GPS telemetry for 76 female caribou over 164

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Tasneem Siddiqui, Tasneem. "Securitization of Cross-border Population Movements." Bangladesh Political Science Review 15, no. 1 (2022): 19–32. http://dx.doi.org/10.57074/rtyi6923.

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This paper examines three examples of the securitization of cross-border population movements within a few selected countries of South and South East Asia. These cases include: a) the forced movement of the Rohingya population form Myanmar to Bangladesh; b) the movement of the Bengali population from Bangladesh and West Bengal to the Assam State of India; and c) the labour migration between India and Bangladesh. It employs Barry Buzan’s ‘Non- Traditional Security’ and ‘Securitisation’ framework. It first identifies why these destination countries have securitized migration, then locates the pr

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Kubiak, Michał. "Uwarunkowania i konsekwencje migracji zarobkowych z Polski do innych państw Unii Europejskiej w perspektywie społeczno-ekonomicznej." Cywilizacja i Polityka 14, no. 14 (2016): 0. http://dx.doi.org/10.5604/01.3001.0010.0246.

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The subject of this article is the question of the social consequences of economic migration. Migrant workers contribute to growth and development in theircountries but in the long term perspective mass migrations of citizens abroad may causeserious social crisis. Migrations are a serious threat to family policy, employment policy andsocial security of citizens. Migration strategy the state should find a solution which on the onehand will make use of the gains offered by the free movement of persons on the other handwill stop the negative social effects of migration.

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Nilsson, Cecilia, Adriaan M. Dokter, Liesbeth Verlinden, et al. "Revealing patterns of nocturnal migration using the European weather radar network." Ecography 42, no. 5 (2019): 876–86. https://doi.org/10.5281/zenodo.4081014.

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<strong>Abstract</strong> Nocturnal avian migration flyways remain an elusive concept, as we have largely lacked methods to map their full extent. We used the network of European weather radars to investigate nocturnal bird movements at the scale of the European flyway. We mapped the main migration directions and showed the intensity of movement across part of Europe by extracting biological information from 70 weather radar stations from northern Scandinavia to Portugal, during the autumn migration season of 2016. On average, over the 20 nights and all sites, 389 birds passed per 1 km transec

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Ramji-Nogales, Jaya, and Iris Goldner Lang. "Freedom of movement, migration, and borders." Journal of Human Rights 19, no. 5 (2020): 593–602. http://dx.doi.org/10.1080/14754835.2020.1830045.

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Baudchon, Gerard P. "Movement in the French Pacific: Recent Situation and Prospects." Asian and Pacific Migration Journal 1, no. 2 (1992): 333–49. http://dx.doi.org/10.1177/011719689200100207.

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Population movements in the French Pacific territories (French Polynesia, New Caledonia, Wallis and Futuna) are discussed. The local government of French Polynesia and the French authorities have tried since the beginning of the 1980s to prevent migration to Tahiti by retaining the population on the outer islands and by encouraging return migration. In New Caledonia, though the internal migration problem has been overshadowed by political turmoil, the 1988 Matignon Agreement addresses regional development and migration. The future of movement in the French Pacific is partly linked to the polit

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Simiczyjew, Aleksandra, Anna Konopnicka, and Dorota Nowak. "Ameboid movement of cancer cells." Postępy Higieny i Medycyny Doświadczalnej 72 (January 25, 2018): 21–34. http://dx.doi.org/10.5604/01.3001.0010.8134.

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Cell migration is a very complicated process essential for proper functioning of all living cells and organisms. It underlies numerous physiological processes as embryogenesis or wound healing as well as pathological processes such as cancer cell metastasis. The manner of cell locomotion was classified based on many parameters. There are two ways of individual migration: amoeboid and mesenchymal. The locomotion of groups of cells is known as collective type of movement. Amoeboid migration refers to rounded or ellipsoid cells and is regulated by Rho family proteins. It is stimulated by GTPase R

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