Gródek-Michalowo basin (Poland) - BirdLife IBA factsheet

PL047

Gródek-Michalowo basin

Current view: Data table and detailed info

IBA Justification

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
Corncrake Crex crex	LC	breeding	2009	200-270 males	C1
Great Snipe Gallinago media	NT	breeding	1989-2002	9-17 males	C6

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

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	near favourable	not assessed	not assessed
Whole site assessed?	State assessed by	Accuracy of information
no	population	medium

State (condition of the trigger species' populations)
Species	Reference	Actual	Units	% remaining	Result
Corncrake Crex crex	270	200	males	75	near favourable

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Not assessed	Not assessed	Not assessed	not assessed

IBA Protection

Year	Protected Area	Designation	% overlap with IBA
1966	Gorbacz NR (Peatbog Reserve)	Nature Reserve	2
1967	Gorbacz	Rezerwat Przyrody	2
1988	Park Krajobrazowy Puszczy Knyszyñskiej	Landscape Park	-
2001	Ostoja Knyszyńska	Site of Community Importance (Habitats Directive)	84
2005	Rabinówka	Rezerwat Przyrody	13
2005	Jezioro Wiejki	Rezerwat Przyrody	<1
2007	Puszcza Knyszyńska	Special Protection Area (Birds Directive)	100

Habitats

Habitat¹	Habitat detail	% of IBA
Grassland	Humid grasslands, Mesophile grasslands	50
Wetlands (inland)	Standing freshwater, Rivers and streams, Raised bogs, Fens, transition mires and springs	30
Forest	Broadleaved deciduous woodland, Mixed woodland, Alluvial and very wet forest	15
Artificial/Terrestrial	Highly improved re-seeded landscapes, Arable land	5

1. IUCN Habitat classification.

Land use

Land use	% of IBA
agriculture	55
not utilised	40
forestry	5
hunting	-

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Gródek-Michalowo basin (Poland). Downloaded from https://datazone.birdlife.org/site/factsheet/gródek-michalowo-basin-iba-poland on 23/11/2024.