Pre-fledging survival in a Yellow-legged Gull Larus michahellis population in northern Iberia is mostly determined by hatching date / Sergio Delgado, Juan Arizaga.
By: Delgado, Sergio
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Contributor(s): Arizaga, Juan | Aranzadi Zientzia Elkartea | .
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Computer fileCitation: Delgado, S., Arizaga, J. 2017. Pre-fledging survival in a Yellowlegged Gull Larus michahellis population in northern Iberia is mostly determined by hatching date. Bird Study 64(2). http://dx.doi.org/10.1080/00063657.2017.1306022 Publisher: [S.l.]: British Trust for Ornithology, 1/2017Content type: Texto (visual) Media type: electrónico Genre/Form: Artículo científicoSummary: ABSTRACT
Capsule: Pre-fledging survival in a Yellow-legged Gull Larus michahellis population in northern Iberia is negatively correlated to hatching date.
Aims: To explore which factors have more importance in determining the pre-fledging daily survival rates in a Yellow-legged Gull population from northern Iberia. Specifically, we tested for the effect of hatching date and order, body size and condition and meteorological conditions on pre-fledging survival.
Methods: Cormack–Jolly–Seber models with mixtures were used to model daily survival rates.
Results: Daily survival rates were mostly negatively affected by hatching date.
Conclusions: Hatching date was the most important factor affecting survival of chicks during the pre-fledging period in a Yellow-legged Gull colony from northern Iberia.
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ABSTRACT
Capsule: Pre-fledging survival in a Yellow-legged Gull Larus michahellis population in northern Iberia is negatively correlated to hatching date.
Aims: To explore which factors have more importance in determining the pre-fledging daily survival rates in a Yellow-legged Gull population from northern Iberia. Specifically, we tested for the effect of hatching date and order, body size and condition and meteorological conditions on pre-fledging survival.
Methods: Cormack–Jolly–Seber models with mixtures were used to model daily survival rates.
Results: Daily survival rates were mostly negatively affected by hatching date.
Conclusions: Hatching date was the most important factor affecting survival of chicks during the pre-fledging period in a Yellow-legged Gull colony from northern Iberia.
Delgado, S., Arizaga, J. 2017. Pre-fledging survival in a Yellowlegged Gull Larus michahellis population in northern Iberia is mostly determined by hatching date. Bird Study 64(2). http://dx.doi.org/10.1080/00063657.2017.1306022
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