• Summary
• Text account
• Data table and detailed info
• Map
• Reference and further resources

The site was identified as important in 2000 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
Mute Swan Cygnus olor	LC	passage	1997	1,000-2,000 individuals	B1i, C3
Common Goldeneye Bucephala clangula	LC	passage	1997	4,000-5,000 individuals	A4i, B1i, C3
Red-breasted Merganser Mergus serrator	LC	passage	1997	4,000-5,000 individuals	A4i, B1i, C3

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2000) may differ.

Year	Protected Area	Designation	% overlap with IBA
-	Bay of Kungsbackafjorden	Baltic Sea Protected Area (Helcom)	97
1900	Hållsundsudde-Sönnerbergen	Naturvårdsområde	23
1900	Malön	Naturreservat	1
1900	Näsbokrok	Naturreservat	1
1900	Marrisp, Utholmen NV del	Naturminne	-
1968	Lotsholmarna, Kungsbackafjorden	Nature Reserve	1
1969	Äskatorp	Nature Reserve	<1
1969	Tjolöholm	Nature Reserve	1
1982	Kungsbackafjordens öar	Nature Conservation Area	2
1995	Kungsbackafjorden	Site of Community Importance (Habitats Directive)	95
1996	Kungsbackafjorden	Special Protection Area (Birds Directive)	97
1998	Backa	Naturreservat	-
2003	Rolfsån	Site of Community Importance (Habitats Directive)	<1
2005	Kungsbackafjorden	Naturreservat	66
2006	Kungsbackafjorden	Marine Protected Area (OSPAR)	95
2008	Kungsbackafjorden	Baltic Sea Protected Area (HELCOM)	97

Habitat1	Habitat detail	% of IBA
Marine Neritic		80
Artificial/Terrestrial	Highly improved re-seeded landscapes, Arable land	10
Grassland	Humid grasslands	5
Marine Coastal/Supratidal		5

1. IUCN Habitat classification.

Land use	% of IBA
hunting	100
nature conservation and research	40
tourism/recreation	-
water management	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Fjord of Kungsbacka (Sweden). Downloaded from https://datazone.birdlife.org/site/factsheet/fjord-of-kungsbacka-iba-sweden on 22/11/2024.