Search for dissertations about: "migration"
Showing result 11 - 15 of 1897 swedish dissertations containing the word migration.
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11. Ecology and evolution of large-scale bird migration patterns : A natural history and comparative study of the migration in common and little ringed plovers
Abstract : Migration distance and seasonal redistribution patterns may vary between and within bird populations. A common pattern is leap-frog migration, in which northerly breeding populations migrate farther and winter south of more southerly breeding populations. READ MORE
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12. Barnfamiljers migration : familjers relationer i en förändrad livssituation = [Migration of families with children] : [family relations in a changed life situation]
Abstract : .... READ MORE
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13. Moving again : Studies of international return and onward migration
Abstract : Contemporary international migration is characterized by increasingly complex migration patterns, with high shares of re-migration, i.e., return and onward migration after an initial move. READ MORE
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14. Migration to Shashemene : ethnicity, gender and occupation in urban Ethiopia
Abstract : .... READ MORE
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15. Flight Behaviour of Passerines on Nocturnal Migration
Abstract : Many passerines migrate during the night and at high altitudes, making their migration difficult to observe. By using tracking radars we have been able to make exact observations of the flight behaviour of passerines on nocturnal migration, which has enabled us to test several hypotheses about adaptive values and constraints regarding migratory behaviour in different ecological contexts. READ MORE