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The site was identified as internationally important for bird conservation 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 List	Season (year/s of estimate)	Size	IBA criteria
Whooper Swan Cygnus cygnus	LC	non-breeding (1983)	1,000 birds	A4i, B1i, C2
Tundra Swan Cygnus columbianus	LC	non-breeding (1989)	320 birds	A4i, B1i, B2, C2
Pink-footed Goose Anser brachyrhynchus	LC	non-breeding (1983)	3,750 birds	A4i, B1i, C3
Common Shelduck Tadorna tadorna	LC	non-breeding (-)	4,445 birds	A4i, B1i, C3
Common Teal Anas crecca	LC	non-breeding (1989)	4,000 birds	B1i, C3
Great Cormorant Phalacrocorax carbo	LC	breeding (1994)	770 pairs	B1i, C3
Bar-tailed Godwit Limosa lapponica	NT	passage (1983)	6,500 birds	A4i, B1i, C2
Dunlin Calidris alpina	NT	non-breeding (1983)	15,000 birds	B1i, C3
Mew Gull Larus canus	LC	breeding (1995)	800–1,200 pairs	B2
Sandwich Tern Thalasseus sandvicensis	LC	breeding (1994)	1,050 pairs	A4i, B1i, B2, C2, C6

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2000. The most recent assessment (2010) is shown below.

State (condition of the trigger species' populations)
Species	Actual vs Reference (units)	% remaining	Result
Barnacle Goose Branta leucopsis	10,000 / 10,000 (birds)	100	good
Greylag Goose Anser anser	4,500 / 4,500 (birds)	100	good
Red-breasted Merganser Mergus serrator	18 / 1,900 (birds)	1	very poor
Great Cormorant Phalacrocorax carbo	93 / 770 (pairs)	13	very poor
Charadrius alexandrinus	0 / 7 (pairs)	0	very poor
Black-headed Gull Larus ridibundus	5,000 / 8,000 (birds)	63	poor

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Other	happe­ning now	most of popul­ation/area (50–90%)	slow decline (1–10% over 3 gener­ations)	high

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Not assessed	Not assessed	Not assessed	not assessed

Year	Protected Area	Designation (management category)	% coverage of IBA
1975	Krogshede Enge	Fredet ved afgørelse, exl. Kirkeomgivelser (IV)	2
1986	Nissum Fjord	Wildlife Reserve (IV)	66
1992	Holstebro Kommune	§3 beskyttet natur (alle søer, moser, vandløb, heder, enge mv) (IV)	2
1992	Lemvig Kommune	§3 beskyttet natur (alle søer, moser, vandløb, heder, enge mv) (IV)	1
2009	Nissum Fjord	Marine Protected Area (OSPAR) (UA)	<1

Habitat	% of IBA	Habitat detail
Artificial/Terrestrial	25	Arable land
Marine Coastal/Supratidal	major (>10)
Marine Intertidal	major (>10)
Marine Neritic	minor (<10)
Shrubland	minor (<10)	Heathland
Wetlands (inland)	minor (<10)	Water fringe vegetation

Land use	% of IBA
unknown	70
agriculture	30

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Nissum Fjord (Denmark). Downloaded from https://datazone.birdlife.org/site/factsheet/nissum-fjord-iba-denmark on 23/12/2024.