Ner River Valley (Poland) IBA | Details

PL079

Ner River Valley

Current view: Data table and detailed info

IBA Justification

The site was identified as internationally important for bird conservation 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 List	Season (year/s of estimate)	Size	IBA criteria
Greater White-fronted Goose Anser albifrons	LC	passage (2006–2009)	15,000 birds	C3
Corncrake Crex crex	LC	breeding (2006–2009)	41–67 males	C1
Eurasian Curlew Numenius arquata	NT	breeding (2006–2009)	9–10 pairs	C1
Black-tailed Godwit Limosa limosa	NT	breeding (2006–2009)	23–39 pairs	C1
Aquatic Warbler Acrocephalus paludicola	VU	breeding (2003–2008)	1–14 males	C1
A4iii Species group - waterbirds	n/a	passage (2006–2009)	20,000 birds	C4

IBA Conservation

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2010. The most recent assessment (2011) is shown below.

IBA conservation assessment
Year of assessment	State	Pressure	Response
2011	moderate	not assessed	not assessed
Whole site assessed?	State assessed by	Accuracy of information
no	population	poor

State (condition of the trigger species' populations)
Species	Actual vs Reference (units)	% remaining	Result
Greater White-fronted Goose Anser albifrons	13,000 / 15,000 (birds)	87	moderate

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

IBA Protection

Year	Protected Area	Designation (management category)	% coverage of IBA
1986	Dolina Bzury	Protected Landscape Area (-)	36

Habitats

Habitat	% of IBA	Habitat detail
Grassland	48	Humid grasslands
Wetlands (inland)	43	Standing freshwater; Rivers and streams; Raised bogs; Water fringe vegetation
Artificial/Terrestrial	5
Forest	4	Mixed woodland; Alluvial and very wet forest

Land use

Land use	% of IBA
agriculture	90
forestry	5
not utilised	5
hunting	-

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Ner River Valley (Poland). Downloaded from https://datazone.birdlife.org/site/factsheet/ner-river-valley-iba-poland on 26/12/2024.