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Hamed Alavi and Tatsiana Khamichonak

References 1. Asari, EM, ‘Practices for Attracting Highly Qualified and Qualified Third-Country Nationals in the EU’, Centre for Migration Studies, Estonian Academy of Security Sciences. 2. Kahanec, M & Zimmermann, KF 2010, ‘High-Skilled Immigration policy in Europe’, IZA Discussion Paper Series, Discussion Paper No. 5399, December 2010, Germany. 3. Prudencio, LDO 2014, ‘Highly-skilled migration: Estonia’s attraction policy and its congruence with the determinants of ‘talent mobility’’, Master’s Thesis, European

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Vera Ács

References 1. FUDGE, J. - HERZFELD OLSSON, P., 2014. The EU seasonal workers Directive: When Immigration Controls Meet Labour Rights, European Journal of Migration and Law, 16 (2014) 465. 2. National Labour Offi ce. 2013. Report on the main features of the foreigners working in Hungary in 2013. [A kulfoldi munkavallalok magyarorszagi munkavallalasanak főbb sajatossagai 2013-ban], [available online] <http://nfsz.munka.hu/engine.aspx?page=stat_kulf_munkavall_mo-on>. 3. Act II of 2007 on entry and stay of third

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Zoran Ristić, Slobodan Puzović, Igor Ponjiger, Miroslav Urošević, Milutin Kovačević, Milosava Matejević and Vladimir Marković

Summary

Decrease of grey partridge population is a global process that has been catastrophic in recent decades. In England, the number of this species declined by 80% in the period from the beginning of the fifties to the mid-eighties of the last century (Potts, 1986). In the Czech Republic from 1965 to the end of the eighties by as much as 95% (Štasny et al. 1997), and the situation is similar in Poland (Panek, 2005). The status of grey partridge in Serbia follows the same pattern as mentioned, with drastic decline (Ristić and Puzović, 2015). The reasons for such trend are numerous, directly conditioned and are often difficult to eliminate. It has been found that culling has no significant effect on the population (Ristić, 1992), but changes in its habitat in order to increase the yield of agricultural crops and chemical protection have very negative effect on partridge number. In order to study each type of game, it is necessary to know the basic elements of the population: density, growth, birth rate, mortality, migration movements and gender and age structure. Migration has no effect on changes in the partridge populations. Period of assessment 2010-2013: Serbia: 20,000-28,000 breeding pairs (bp), Vojvodina: 900-1,000 bp. Long-term population trend 1980-2003: MD (mean decrease in number), short-term population trend 2000-2013: MD (mean decrease in number). The number generally decreases, especially in Vojvodina, where it is endangered by intensive agriculture and the application of harmful biocides. It is necessary to improve the monitoring and develop the national action plan.

Open access

Monika Bumbalová

Information Quarterly. DOI http://dx.doi.org/10.1016/j.giq.2015.03.005 . 11. EMI (EUROPEAN MOVEMENT INTERNATIONAL). n. a. Public sector workers in Europe facing the new challenges of migration. [Online]. [Cited 27.10.2017]. Available at: http://europeanmovement.eu/event/public–sector–workers–in–europe–facing–the–new–challenges–of–migration/ . 12. EUROPEAN COMMISSION. 2016. Urban Agenda for the EU – Pact of Amsterdam . [Online]. [Cited 29.11.2017]. Available at: https://ec.europa.eu/futurium/en/system/files/ged/pact–of–amsterdam_en.pdf . 13. GATAUTIS