La Tour du Valat

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Long-term within-season changes in the diet of Common Guillemot (Uria aalge) chicks at a North Sea colony: implications for dietary monitoring

Michael P. Harris, Auteur ; Steve D. Albon, Auteur ; Mark A. Newell, Auteur ; Carrie Gunn, Auteur ; Francis Daunt, Auteur ; Sarah Wanless, Auteur

Dans Ibis (164(4) October, 2022)

Over four decades (1982–2019) there were pronounced within-season changes in the proportion of a key prey species (Lesser Sandeel Ammodytes marinus) in Common Guillemot Uria aalge chick diet. As Sandeels became scarcer their occurrence was large[...]

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Article

Reproductive performance of resident and migrant males, females and pairs in a partially migratory bird

Hannah Grist, Auteur ; Francis Daunt, Auteur ; Sarah Wanless, Auteur ; Sarah J. Burthe, Auteur ; Mark A. Newell, Auteur ; Mike P. Harris, Auteur ; Jane M. Reid, Auteur

Dans Journal of Animal Ecology (86(5) September, 2017)

* Quantifying among-individual variation in life-history strategies, and associated variation in reproductive performance and resulting demographic structure, is key to understanding and predicting population dynamics and life-history evolution.[...]

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The need for year-specific correction factors (k values) when converting counts of individual Common Guillemots Uria aalge to breeding pairs

Mike P. Harris, Auteur ; Martin Heubeck, Auteur ; Mark A. Newell, Auteur ; Sarah Wanless, Auteur

Dans Bird Study (62(2) avril 3, 2015)

Capsule Long-term studies at two Scottish colonies show that the k value used to convert counts of individual Common Guillemots Uria aalge to pairs has changed substantially in the last 15 years due to decreases in survival and colony attendance[...]

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Article

The need for year-specific correction factors (k values) when converting counts of individual Common Guillemots Uria aalge to breeding pairs

Mike P. Harris, Auteur ; Martin Heubeck, Auteur ; Mark A. Newell, Auteur ; Sarah Wanless, Auteur

Dans Bird Study (62(2) avril 3, 2015)

Capsule Long-term studies at two Scottish colonies show that the k value used to convert counts of individual Common Guillemots Uria aalge to pairs has changed substantially in the last 15 years due to decreases in survival and colony attendance[...]

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Article

Among-year and within-population variation in foraging distribution of European shags Phalacrocorax aristotelis over two decades: Implications for marine spatial planning

Maria I. Bogdanova, Auteur ; Sarah Wanless, Auteur ; Michael P. Harris, Auteur ; Jan Lindstroem, Auteur ; Adam Butler, Auteur ; Mark A. Newell, Auteur ; Katsufumi Sato, Auteur ; Yutaka Watanuki, Auteur ; Matt Parsons, Auteur ; Francis Daunt, Auteur

Dans Biological Conservation (170 FEB 2014)

Marine spatial planning aims to deliver sustainable use of marine resources by minimizing environmental impacts of human activities and designating Marine Protected Areas. This poses a challenge where species' distributions show spatio-temporal [...]

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