Indicator: Population development and demography of seabirds

Black-legged kittiwake in bird cliff. Photo: Geir Wing Gabrielsen, Norwegian Polar Institute

Population development and demography of seabirds
Typography
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Rationale: Seabirds constitute important components of the Barents Sea ecosystem. They form an important link between the marine and terrestrial ecosystems by bringing nutrients from sea to land. As predators covering many niches, seabirds can be used as indicators of health of the marine ecosystem at large.

 

Theme: Biotic

Component: Seabirds

Type of indicator: E, state of the ecosystem.

Priority of indicator: e, essential.

Parameters:

• Breeding population numbers in selected colonies (NPI, NINA, KSNR, SSNR, NP, NPRA, AARI, TMU)
• Adult survival (NPI, NINA, KSNR, SSNR, NP, NPRA, AARI, TMU)
• Reproductive success (NPI, NINA, KSNR, SSNR, NPRA, AARI, TMU)
• Diet (NPI, NINA, KSNR, SSNR, NPRA, AARI, TMU, PINRO)

Responsible institution:

 

Brünnich's guillemot in the Barents Sea

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