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Predicted abundance of seabirds in open sea. Summer season

Dataset homepage

Citation

Fauchald P, Vang R (2019). Predicted abundance of seabirds in open sea. Summer season. Version 1.4. Norwegian Institute for Nature Research. Metadata dataset https://doi.org/10.15468/bapwbd accessed via GBIF.org on 2023-09-24.

Description

The maps consist of 10x10 km2 grid and shows predicted abundance of the species based on two-step analysis (see Data Analysis) of data available over the distribution of seabirds in Norwegian and adjacent sea areas (see Dataset) in summer season. Along with the maps we also present uncertainty in predictions that 95% confidence intervals and standard error. The confidence intervals were not possible to define at very low densities. It is important to note that uncertainty does not allow for systematic errors caused by differences in detectability (see Methods). Conspicuous species that often follows after the vessel is systematically overestimated. This is especially true species fulmars, kittiwakes, herring gulls, black-backed gulls and gull. Small dark species diver is probably equivalent underestimated. This is especially auks: auk, puffin, razorbills, murres and guillemots. Abundance estimates should be regarded as indexes.

Sampling Description

Method steps

Additional info

See description of Methods on http://www.seapop.no/no/metoder/kartlegging-hav/ and data analysis on http://www.seapop.no/no/metoder/kartlegging-hav/dataanalyse.html (Norwegian only)

Taxonomic Coverages

Seabirds
  1. Aves
    common name: Birds rank: order

Geographic Coverages

Norwegian and adjacent sea areas

Bibliographic Citations

Contacts

Per Fauchald
originator
position: Senior Research Scientist
NINA
NO
email: per.fauchald@nina.no
Roald Vang
metadata author
NO
email: rv@nina.no
Roald Vang
user
email: rv@nina.no
Geir Helge Systad
administrative point of contact
position: Researcher I
NINA
NO
email: geir.systad@nina.no
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