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Optimal Migration
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Book Synopsis Optimal Migration by : Thomas Alerstam
Download or read book Optimal Migration written by Thomas Alerstam and published by . This book was released on 1998 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bird Migration by : Eberhard Gwinner
Download or read book Bird Migration written by Eberhard Gwinner and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: E. GWINNER! The phenomenon of bird migration with its large scale dimensions has attracted the attention of naturalists for centuries. Worldwide billions of birds leave their breeding grounds every autumn to migrate to areas with seasonally more favor able conditions. Many of these migrants travel only over a few hundred kilo meters but others cover distances equivalent to the circumference of the earth. Among these long-distance migrants are several billion birds that invade Africa every autumn from their West and Central Palaearctic breeding areas. In the Americas and in Asia the scope of bird migration is of a similar magnitude. Just as impressive as the numbers of birds are their achievements. They have to cope with the enormous energetic costs of long-distance flying. particularly while crossing oceans and deserts that do not allow replenishment of depleted fat reserves. They have to appropriately time the onset and end of migrations. both on a daily and annual basis. And finally. they have to orient their migratory movements in space to reach their species- or population-specific wintering and breeding grounds, irrespective of the variable climatic conditions along their migratory routes.
Book Synopsis Passerine Migration by : Nikita Chernetsov
Download or read book Passerine Migration written by Nikita Chernetsov and published by Springer Science & Business Media. This book was released on 2012-04-18 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most birds cannot cover the distance between their breeding and winter quarters in one hop. They have to make multiple flights alternated with stopovers. Which factors govern the birds’ decisions to stop, to stop for how long, when to resume flight? What is better – to accumulate much fuel and to make long flights for many hundreds of kilometres, or to travel in small steps? Is it necessary to find habitats similar to the breeding ones or other habitats would do? Are long migratory flights indeed so costly energetically as usually assumed? This monograph summarizes our current knowledge on the ecology of songbird migrants during migratory stopovers and on their behaviour.
Book Synopsis The Optimal Migration Duration and Activity Choice After Re-migration by : Christian Dustmann
Download or read book The Optimal Migration Duration and Activity Choice After Re-migration written by Christian Dustmann and published by . This book was released on 2001 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Return Migration, Wage Differentials, and the Optimal Migration Duration by : Christian Dustmann
Download or read book Return Migration, Wage Differentials, and the Optimal Migration Duration written by Christian Dustmann and published by . This book was released on 2001 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Avian Migration written by Peter Berthold and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 601 pages. Available in PDF, EPUB and Kindle. Book excerpt: P. Berthold and E. Gwinnd Bird migration is an intriguing aspect of the living world - so much so that it has been investigated for as long, and as thoroughly, as almost any other natural phenomenon. Aristotle, who can count as the founder of scientific ornithology, paid very close attention to the migrations of the birds he ob served, but it was not until the reign of Friedrich II, in the first half of the 13th century, that reliable data began to be obtained. From then on, the data base grew rapidly. Systematic studies of bird migration were introduced when the Vogelwarte Rossitten was founded, as the first ornithological biological observation station in the world (see first chapter "In Memory of Vogelwarte Rossitten"). This area later received enormous impetus when ex perimental research on the subject was begun: the large-scale bird-ringing experiment initiated in Rossitten in 1903 by Johannes Thienemann (who was inspired by the pioneering studies of C. C. M. Mortensen), the experiments on photoperiodicity carried out by William Rowan in the 1920s in Canada and retention and release experiments performed by Thienemann in the 1930s in Rossitten, the first experimental study on the orientation of migratory birds. After the Second World War, migration research, while continuing in the previous areas, also expanded into new directions such as radar ornithology, ecophysiology and hormonal control mechanisms, studies of evolution, ge netics, telemetry and others.
Author :International Organization for Migration Publisher :Academic Foundation ISBN 13 :9788171885503 Total Pages :504 pages Book Rating :4.8/5 (855 download)
Book Synopsis World Migration 2005 Costs and Benefits of International Migration by : International Organization for Migration
Download or read book World Migration 2005 Costs and Benefits of International Migration written by International Organization for Migration and published by Academic Foundation. This book was released on 2006 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis How Labor Migrants Fare by : Klaus F. Zimmermann
Download or read book How Labor Migrants Fare written by Klaus F. Zimmermann and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 419 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the globalized economy, labor migration has become of central importance. A key issue in the analysis of immigration is how the migrants fare in the economy in which they migrate, and how they assimilate towards the behavior of the natives. Using data from the United States, Canada, many European countries, Australia and New Zealand, the chapters study the developments of earnings, employment, unemployment, self-employment, occupational choices and educational attainment after migration. The book also investigates the role of language in labor market integration and examines the situation of illegal, legalized and unwilling migrants. Policy effects are also studied: Among those are the effects of selection criteria of labor market success and the effects immigrants have on the public sector budget of the receiving country. Hence, the book provides a broad picture of the performance of migrants.
Book Synopsis The Migration Ecology of Birds by : Ian Newton
Download or read book The Migration Ecology of Birds written by Ian Newton and published by Elsevier. This book was released on 2023-12-02 with total page 725 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Migration Ecology of Birds, Second Edition covers all aspects of this absorbing subject, including migratory processes, problems of navigation and vagrancy, timing and physiological control of migration, large-scale movement patterns, the effects of recent climate change, the problems that migrants face, and the factors that limit their populations. This book provides a thorough and in-depth review of the state of the science, with the text supplemented by abundant tables, maps and diagrams. Written by a world-renowned avian ecology and migration researcher, this book reveals the extraordinary adaptability of birds to the variable and changing conditions across the globe. This book represents the most updated and detailed review of bird migration, its evolution, ecology and bird physiology. Written in a clear and readable style, it will appeal not only to migration researchers in the field and ornithologists, but to anyone with an interest in this fascinating subject. - Features updated and trending ecological aspects, including various types of bird movements, dispersal and nomadism, and how they relate to food supplies and other external conditions - Contains numerous tables, maps, diagrams, a glossary, and a bibliography of more than 3,000 up-to-date references - Written by an active researcher with a distinguished career in avian ecology, including migration research
Download or read book Exodus written by Paul Collier and published by Oxford University Press, USA. This book was released on 2013 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is one of the most pressing and controversial questions of our time -- vehemently debated, steeped in ideology, profoundly divisive. Who should be allowed to immigrate and who not? What are the arguments for and against limiting the numbers? We are supposedly a nation of immigrants, and yet our policies reflect deep anxieties and the quirks of short-term self-interest, with effective legislation snagging on thousand-mile-long security fences and the question of how long and arduous the path to citizenship should be. In Exodus, Paul Collier, the world-renowned economist and bestselling author of The Bottom Billion, clearly and concisely lays out the effects of encouraging or restricting migration. Drawing on original research and case studies, he explores this volatile issue from three perspectives: that of the migrants themselves, that of the people they leave behind, and that of the host societies where they relocate. Immigration is a simple economic equation, but its effects are complex. Exodus confirms how crucial it will be that public policy face and address all of its ramifications. Sharply written and brilliantly clarifying, Exodus offers a provocative analysis of an issue that affects us all.
Book Synopsis Flexibility in the Migration Strategies of Animals by : Nathan R. Senner
Download or read book Flexibility in the Migration Strategies of Animals written by Nathan R. Senner and published by Frontiers Media SA. This book was released on 2020-06-29 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Public Pensions and Immigration by : Tim Krieger
Download or read book Public Pensions and Immigration written by Tim Krieger and published by Edward Elgar Publishing. This book was released on 2005-01-01 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This book will appeal to researchers and scholars in the fields of economics, public choice, political science, European integration and migration. Policymakers involved in pension policy, immigration policy and European integration policy will also find this an illuminating book."--BOOK JACKET.
Book Synopsis Animal Migration, Orientation and Navigation by : Gauthreaux
Download or read book Animal Migration, Orientation and Navigation written by Gauthreaux and published by Elsevier. This book was released on 2012-12-02 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: Animal Migration, Orientation, and Navigation presents the various aspects of animal migration, including the evolution of migration, climatic and meteorological influences, and bioenergetics. This book discusses the physiological control, sensory systems, orientation and navigation, and biological clocks and phenology aspects of animal migration. Organized into five chapters, this book begins with an overview of the migration strategies of animals in the context of a space continuum. This text then explains the influence of short- and long-term climatic cycles on the spectrum of migratory patterns in nature. Other chapters consider the energetic requirements of different migration strategies and the energy stores of the migrants. This book discusses as well the physiological basis of animal migration, with emphasis on endocrinal findings on the timing and energetic aspects of different migration strategies. The final chapter deals with the mechanisms used in direction finding by migrating animals. This book is a valuable resource for biologists and ecologists.
Book Synopsis International Migration Outlook 2008 by : OECD
Download or read book International Migration Outlook 2008 written by OECD and published by OECD Publishing. This book was released on 2008-09-10 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: This edition focuses on the employment situation of immigrants. For the first time, this report presents a “scoreboard” of labour-market integration of immigrants, as well as an analysis of wage differentials between immigrants and the native-born.
Book Synopsis Proceedings of International Conference on Recent Innovations in Computing by : Yashwant Singh
Download or read book Proceedings of International Conference on Recent Innovations in Computing written by Yashwant Singh and published by Springer Nature. This book was released on 2023-05-02 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book features selected papers presented at the 5th International Conference on Recent Innovations in Computing (ICRIC 2022), held on May 13–14, 2022, at the Central University of Jammu, India, and organized by the university’s Department of Computer Science and Information Technology. The conference was hosted in association with ELTE, Hungary; Knowledge University, Erbil; Cyber Security Research Lab and many other national & international partners. The book is divided into two volumes, and it includes the latest research in the areas of software engineering, cloud computing, computer networks and Internet technologies, artificial intelligence, information security, database and distributed computing, and digital India.
Book Synopsis Proceedings of the Second International Conference on Computational Intelligence and Informatics by : Vikrant Bhateja
Download or read book Proceedings of the Second International Conference on Computational Intelligence and Informatics written by Vikrant Bhateja and published by Springer. This book was released on 2018-07-23 with total page 722 pages. Available in PDF, EPUB and Kindle. Book excerpt: The volume contains 69 high quality papers presented at International Conference on Computational Intelligence and Informatics (ICCII 2017). The conference was held during 25-27, September, 2017 at Department of Computer Science and Engineering, JNTUHCEH, Hyderabad, Telangana, India. This volume contains papers mainly focused on data mining, wireless sensor networks, parallel computing, image processing, network security, MANETS, natural language processing, and internet of things.
Book Synopsis Illustrated Seismic Processing by : Stephen J. Hill
Download or read book Illustrated Seismic Processing written by Stephen J. Hill and published by SEG Books. This book was released on 2019 with total page 331 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a foundation for understanding the fascinating field of seismic processing. Written for the non-expert, this two-volume introductory text reveals the limitations and potential pitfalls of seismic data, prepares both seismic interpreters and acquisition specialists for working with seismic processing geophysicists, and much more.