Persfjorden - Hamningberg (Norway) - BirdLife IBA factsheet

Persfjorden - Hamningberg

Current view: Data table and detailed info

IBA Justification

The site was identified as important in 2014 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List¹	Season	Year(s)	Size	IBA criteria
Long-tailed Duck Clangula hyemalis	VU	passage	2004-2014	300-1,800 individuals	A1
Red-breasted Merganser Mergus serrator	LC	non-breeding	2004-2013	1,000-2,000 individuals	B1i
Arctic Herring Gull Larus smithsonianus	LC	passage	2004-2013	15,000 individuals	B1i

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2014) may differ.

IBA Conservation

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2014. The most recent assessment (2017) is shown below.

IBA conservation assessment
Year of assessment	State	Pressure	Response
2017	not assessed	medium	negligible
Whole site assessed?	State assessed by	Accuracy of information
yes	unset	good

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Agricultural expansion and intensification	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Human intrusions and disturbance	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Residential and commercial development	past (and unlikely to return) and no longer limiting	some of area/population (10-49%)	slow but significant deterioration	low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Not assessed	Not assessed	Very little or no conservation action taking place	negligible

IBA Protection

Year	Protected Area	Designation	% overlap with IBA
1983	Sandfjordneset	Naturreservat	2
2006	Persfjorden-Syltefjorden	Landskapsvernområde	2

Habitats

Habitat¹	Habitat detail	% of IBA
Marine Neritic		major (>10)
Grassland	Dry siliceous grassland	minor (<10)
Marine Coastal/Supratidal		minor (<10)
Marine Intertidal		minor (<10)

1. IUCN Habitat classification.

Land use

Land use	% of IBA
tourism/recreation	major (>10)
fisheries/aquaculture	-

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Persfjorden - Hamningberg (Norway). Downloaded from https://datazone.birdlife.org/site/factsheet/persfjorden--hamningberg-iba-norway on 22/11/2024.