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

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
Greylag Goose Anser anser	LC	breeding (1997)	450–480 pairs	B1i, C3
Greylag Goose Anser anser	LC	passage (1997)	3,500 birds	A4i, B1i, C3
Bean Goose Anser fabalis	LC	passage (1997)	20,000 birds	A4i, B1i, C3
Lesser White-fronted Goose Anser erythropus	VU	passage (1997)	50 birds	A1, C1
Common Goldeneye Bucephala clangula	LC	passage (1997)	30,000 birds	A4i, B1i, C3
Smew Mergellus albellus	LC	passage (1997)	1,000 birds	A4i, B1i, C2
Goosander Mergus merganser	LC	passage (1997)	20,000 birds	A4i, B1i, C3
Red-breasted Merganser Mergus serrator	LC	breeding (1997)	600–650 pairs	A4i, B1i, C3
Red-breasted Merganser Mergus serrator	LC	passage (1997)	15,000 birds	A4i, B1i, C3
Tufted Duck Aythya fuligula	LC	passage (1997)	50,000 birds	A4i, B1i, C3
Eurasian Wigeon Mareca penelope	LC	passage (1997)	50,000 birds	A4i, B1i, C3
Northern Pintail Anas acuta	LC	breeding (1997)	300–350 pairs	B1i, B2, C3
Northern Pintail Anas acuta	LC	passage (1997)	15,000 birds	A4i, B1i, C3
Common Teal Anas crecca	LC	passage (1997)	50,000 birds	A4i, B1i, C3
Spotted Crake Porzana porzana	LC	breeding (1997)	10–30 pairs	B3, C6
Common Crane Grus grus	LC	breeding (1997)	40–50 pairs	B2, C6
Common Crane Grus grus	LC	passage (1997)	3,000 birds	A4i, B1i, C2
Eurasian Bittern Botaurus stellaris	LC	breeding (1997)	8–12 pairs	B2, C6
Ruff Calidris pugnax	LC	breeding (1997)	700–750 pairs	B3, C6
Ruff Calidris pugnax	LC	passage (1997)	50,000 birds	A4i, B1i, C2
Broad-billed Sandpiper Calidris falcinellus	VU	passage (1997)	3,000 birds	A4i, B1i, C3
Little Stint Calidris minuta	LC	passage (1997)	10,000 birds	A4i, B1i, C3
Spotted Redshank Tringa erythropus	LC	passage (1997)	7,000 birds	A4i, B1i, C3
Common Greenshank Tringa nebularia	LC	passage (1997)	3,000 birds	A4i, B1i, C3
Common Redshank Tringa totanus	LC	breeding (1997)	790–850 pairs	B1i, B2, C3
Common Redshank Tringa totanus	LC	passage (1997)	5,000 birds	A4i, B1i, C3
Wood Sandpiper Tringa glareola	LC	breeding (1997)	200–250 pairs	B2
Wood Sandpiper Tringa glareola	LC	passage (1997)	40,000 birds	A4i, B1i, C2
Little Gull Hydrocoloeus minutus	LC	breeding (1997)	400–500 pairs	A4i, B1i, B2, C3
Little Gull Hydrocoloeus minutus	LC	passage (1997)	3,000 birds	A4i, B1i, C3
Mew Gull Larus canus	LC	breeding (1997)	1,200–1,300 pairs	B2
Caspian Tern Hydroprogne caspia	LC	passage (1997)	200 birds	A4i, B1i, C2
Short-eared Owl Asio flammeus	LC	breeding (1997)	25–70 pairs	B2, C6
Hen Harrier Circus cyaneus	LC	breeding (1997)	10–40 pairs	B2
White-tailed Sea-eagle Haliaeetus albicilla	LC	passage (1997)	30 birds	A1, C1
Sedge Warbler Acrocephalus schoenobaenus	LC	breeding (1997)	10,000 pairs	B3
A4iii Species group - waterbirds	n/a	passage (1992–1997)	400,000 birds	A4iii, C4

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
Greylag Goose Anser anser	650 / 650 (pairs)	100	good
Greylag Goose Anser anser	2,500 / 2,500 (birds)	100	good
Bean Goose Anser fabalis	10,000 / 10,000 (birds)	100	good
Common Goldeneye Bucephala clangula	7,000 / 9,000 (birds)	78	moderate
Eurasian Wigeon Mareca penelope	10,000 / 10,000 (birds)	100	good
Eurasian Wigeon Mareca penelope	2,000 / 10,000 (birds)	20	not assessed
Northern Pintail Anas acuta	1,500 / 6,000 (birds)	25	very poor
Northern Pintail Anas acuta	2,500 / 2,500 (birds)	100	good
Anas crecca	11,000 / 11,000 (birds)	100	good
Spotted Crake Porzana porzana	15 / 15 (pairs)	100	good
Common Crane Grus grus	1,900 / 1,500 (birds)	100	good
Common Crane Grus grus	5,000 / 2,000 (birds)	100	good
Eurasian Bittern Botaurus stellaris	34 / 25 (pairs)	100	good
Ruff Calidris pugnax	370 / 700 (pairs)	53	poor
Ruff Calidris pugnax	1,500 / 5,000 (birds)	30	very poor
Little Stint Calidris minuta	150 / 1,500 (birds)	10	not assessed
Common Greenshank Tringa nebularia	150 / 800 (birds)	19	very poor
Common Redshank Tringa totanus	600 / 800 (pairs)	75	moderate
Little Gull Hydrocoloeus minutus	540 / 500 (pairs)	100	good
Mew Gull Larus canus	1,200 / 1,200 (pairs)	100	good

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Human intrusions and disturbance	happe­ning now	some of popul­ation/area (10–49%)	slow decline (1–10% over 3 gener­ations)	medium

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Some of area covered (10–49%)	A management plan exists, but it is out of date or not compre­hensive	Substantive conservation measures are being implemented, but these are not compre­hensive and are limited by resources and capacity	low

Year	Protected Area	Designation (management category)	% coverage of IBA
-	Oulu region wetlands	Baltic Sea Protected Area (Helcom) (UA)	3
-	Oulu region wetlands	Baltic Sea Protected Area (Helcom) (UA)	2
-	Oulu region wetlands	Baltic Sea Protected Area (Helcom) (UA)	1
-	Oulu region wetlands	Baltic Sea Protected Area (Helcom) (UA)	14
1982	Ulkonokanhietikon luonnonsuojelualue	Yksityinen luonnonsuojelualue (IV)	<1
1996	Isomatala-Maasyvän luonnonsuojelualue	Yksityinen luonnonsuojelualue (IV)	1
1998	Liminganlahden luonnonsuojelualue	Yksityinen luonnonsuojelualue (IV)	<1
2003	Liminganlahden luonnonsuojelualue	Yksityinen luonnonsuojelualue (IV)	5
2003	Hannuksenrannan-Pohjoisrannan luonnonsuojelualue	Yksityinen luonnonsuojelualue (IV)	3
2007	Liminganlahden luonnonsuojelualue, Lumijoki	Yksityinen luonnonsuojelualue (IV)	4
2016	Rantaniityn luonnonsuojelualue	Private Nature Reserve (IV)	<1
2016	Arvilan luonnonsuojelualue	Private Nature Reserve (IV)	<1
2016	Karinnenän suojelualue	Private Nature Reserve (IV)	<1
2016	Lampuotin suojelualue	Private Nature Reserve (IV)	<1

Habitat	% of IBA	Habitat detail
Marine Coastal/Supratidal	70
Artificial/Terrestrial	20
Forest	5
Marine Intertidal	5

Land use	% of IBA
hunting	80
agriculture	20
nature conservation and research	20
tourism/recreation	10
urban/industrial/transport	10

---

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Oulu region wetlands (Finland). Downloaded from https://datazone.birdlife.org/site/factsheet/oulu-region-wetlands-iba-finland on 22/12/2024.