PL049
Marshy Valley of the Narew River


IBA Criteria

Year of most recent IBA criteria assessment: 2010

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Aquatic Warbler Acrocephalus paludicola VU breeding 2009 38-40 males C1, C6
A4iii Species group - waterbirds n/a passage 2009 16,000-25,000 individuals C4

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here


IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2009 very high not assessed medium
Was the whole site covered? Yes State assessed by unset
Accuracy of information medium

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Agricultural expansion and intensification marine and freshwater aquaculture - subsistence/artisinal aquaculture happening now some of area/population (10-49%) slow but significant deterioration medium
Biological resource use gathering terrestrial plants - unintentional effects (species being assessed is not the target) happening now majority/most of area/population (50-90%) very rapid to severe deterioration very high
Invasive and other problematic species and genes invasive non-native/alien species/diseases - unspecified species happening now majority/most of area/population (50-90%) slow but significant deterioration high
Natural system modifications dams & water management/use - dams (size unknown) happening now whole area/population (>90%) very rapid to severe deterioration very high
Natural system modifications fire & fire suppression - increase in fire frequency/intensity likely in long term (beyond 4 years) some of area/population (10-49%) slow but significant deterioration medium
Natural system modifications other ecosystem modifications happening now whole area/population (>90%) very rapid to severe deterioration very high
Pollution domestic & urban waste water - type unknown/unrecorded happening now majority/most of area/population (50-90%) slow but significant deterioration high

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Whole area of site (>90%) covered by appropriate conservation designation 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 medium
For more information about IBA monitoring please click here

IBA Protection

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Ostoja w Dolinie Górnej Narwi Site of Community Importance (Habitats Directive) 19,090 protected area is adjacent to site 0
Narwiańskie Bagna Site of Community Importance (Habitats Directive) 6,823 protected area contained by site 6,823
Narwiański Park Narodowy Park Narodowy 6,807 protected area contained by site 7,350
Narew River National Park Ramsar Site, Wetland of International Importance 7,350 protected area overlaps with site 7,350
Dolina Narwi Obszar Chronionego Krajobrazu 43,146 protected area is adjacent to site 0
Dolina Górnej Narwi Special Protection Area (Birds Directive) 18,384 protected area is adjacent to site 0
Bagienna Dolina Narwi Special Protection Area (Birds Directive) 23,471 protected area overlaps with site 23,471

Habitats

IUCN Habitat Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland, Native coniferous woodland, Mixed woodland, Alluvial and very wet forest -
Other -
Grassland Steppes and dry calcareous grassland, Humid grasslands, Mesophile grasslands -
Wetlands (inland) Standing freshwater, Rivers and streams, Raised bogs, Water fringe vegetation, Fens, transition mires and springs -
Artificial/Terrestrial Highly improved re-seeded landscapes, Arable land, Ruderal land -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
nature conservation and research -
tourism/recreation -
water management -
hunting -
For further information about the land use classification please click here.


Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Marshy Valley of the Narew River. Downloaded from http://www.birdlife.org on 12/08/2020.