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Fitness drivers in long-distance migrants: the interacting roles of physiology, social biology, ecological and physical environments

Obiettivo

Long distance migration in birds is among the most dramatic and exciting phenomena in nature. However despite many years of study, there are still huge gaps in our understanding of how this behaviour shapes individual ecology and influences population processes. For example, we have very little understanding of how migratory animals manage trade offs within and among seasons and how these in turn drive variation in productivity, survival or breeding phenology. Increased understanding in this area has important implications for ecology, evolution conservation and management
Our lack of progress in this area is almost inevitable given the complex nature of migration. Migration is sequential in nature, meaning that an animal’s state in one season is heavily influenced by previous conditions. Therefore the costs/benefits of behaviours can be carried over into subsequent seasons and thus the processes regulating fitness may not occur at the time it is being expressed. This also means that regulating processes and response can also be separated spatially making it even harder to identify cause. These effects are likely to be emphasized in migrants because fuelling flights and breeding also places huge physiological demands on migratory birds. Yet few studies have linked the stress incurred during migration with subsequent fitness. Integrating mechanism and function would provide very important insights into the ecology and evolution of migration. In order to progress we need to able to follow large numbers of individuals throughout their annual cycles, tracking the different conditions they experience and how this influences their state at each point in time. I would use state of the art technologies and statistical tools to follow migratory geese throughout the year and integrate, for the first time, how interactions among physiological, social, ecological and climatic environments underpin state and in turn fitness across the annual cycle.

Invito a presentare proposte

ERC-2012-StG_20111109
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Meccanismo di finanziamento

ERC-SG - ERC Starting Grant

Istituzione ospitante

THE UNIVERSITY OF EXETER
Contributo UE
€ 1 499 223,60
Indirizzo
THE QUEEN'S DRIVE NORTHCOTE HOUSE
EX4 4QJ Exeter
Regno Unito

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Regione
South West (England) Devon Devon CC
Tipo di attività
Higher or Secondary Education Establishments
Contatto amministrativo
Gaynor Hughes (Ms.)
Ricercatore principale
Stuart Bearhop (Prof.)
Collegamenti
Costo totale
Nessun dato

Beneficiari (1)