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The site was identified as important in 2010 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
Bean Goose Anser fabalis	LC	passage	1998-2009	60,000 individuals	C3
Mallard Anas platyrhynchos	LC	passage	1998-2009	22,500 individuals	C3
Eurasian Curlew Numenius arquata	NT	passage	1998-2009	218 individuals	C1
Mediterranean Gull Larus melanocephalus	LC	breeding	2007	25 breeding pairs	C6
A4iii Species group - waterbirds	n/a	passage	1998-2009	70,000 individuals	C4

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2010) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2010. The most recent assessment (2008) is shown below.

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Wetlands (inland)	-	good (> 90%)	favourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Natural system modifications	happening now	whole area/population (>90%)	very rapid to severe deterioration	very high
Agricultural expansion and intensification	happening now	majority/most of area/population (50-90%)	slow but significant deterioration	high
Biological resource use	happening now	whole area/population (>90%)	slow but significant deterioration	high
Human intrusions and disturbance	happening now	majority/most of area/population (50-90%)	slow but significant deterioration	high
Invasive and other problematic species and genes	happening now	whole area/population (>90%)	slow but significant deterioration	high
Pollution	happening now	majority/most of area/population (50-90%)	slow but significant deterioration	high

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Most of site (50-90%) covered (including the most critical parts for important bird species)	No management planning has taken place	Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity	low

Year	Protected Area	Designation	% overlap with IBA
1994	Zbiornik Mietkowski	Special Protection Area (Birds Directive)	94
1998	Park Krajobrazowy Dolina Bystrzycy	Park Krajobrazowy	100

Habitat1	Habitat detail	% of IBA
Wetlands (inland)	Standing freshwater	100

1. IUCN Habitat classification.

Land use	% of IBA
water management	80
tourism/recreation	10
not utilised	10
hunting	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Mietkow reservoir (Poland). Downloaded from https://datazone.birdlife.org/site/factsheet/mietkow-reservoir-iba-poland on 22/11/2024.