Ostoja Biebrzańska
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2004
1 485 km²
County · POL
Łomża
Poland
DfbCold, no dry season, warm summer(100 %)
Species observed
1 627
Observations
64 486
Area
1 354,6km²
Ecological tissue
Sample of 28 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Łomża : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 65 interactions GloBI sur 4 types (connectance 16.0%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
29
Interactions affichées
65
Connectance
0.160
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 627 distinct species · 64 486 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
7,7°C
Annual rain
619mm
Warmest m°
22,7°C
Coldest m°
-5,1°C
Elevation: 126 m on average (min 94 m, max 198 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
7,7°C
Annual rain
619mm
Warmest month
22,7°C
Coldest month
-5,1°C
Mean alt.
126m
Min
94m
Max
198m
Std. dev.
19m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,7
Org. C
64,0g/kg
Clay
9,3%
Sand
70,1%
Silt
20,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,6
Org. C
102,9g/kg
Clay
9,4%
Sand
70,2%
Silt
20,4%
5–15 cm
pH H₂O
5,7
Org. C
41,9g/kg
Clay
8,1%
Sand
71,1%
Silt
20,7%
15–30 cm
pH H₂O
5,9
Org. C
47,1g/kg
Clay
10,5%
Sand
69,0%
Silt
20,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest24.6%
Crops47.7%
Built-up0.5%
Bare soil0.7%
Other (grassland, water…)26.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology7 basins · 0 lakes · 24 rivers
Hydrology metrics for this exact territory
Stream length here
307,5km
Basins crossed
7
Max stream order
6
Max drainage
21 657km²
Discharge in basins
102,0m³/s
Mean precip.
577mm/an
Mean T°
6,9°C
Moisture idx
-0,19
Max snow
28%
Mean runoff
157mm/an
Mean elev. (basins)
127m
Watersheds crossing here
- Bassin de Narewsub-area1 336,5 km²overlap636.13 km²47%
- Bassin de Szkwasub-area1 641,8 km²overlap458.16 km²34%
- Bassin de Wissasub-area1 151,6 km²overlap196.14 km²14%
- Bassin de Pisasub-area974,3 km²overlap39.13 km²3%
- Bassin de Skrodasub-area17,2 km²overlap16.31 km²1%
- Bassin de Narewsub-area122,5 km²overlap5.80 km²0%
- Bassin de Skrodasub-area428,3 km²overlap2.92 km²0%
Rivers / streams (24, ord ≥ 4)
- Nareword 7len here96.50 km17%total583 km
- Łojewekord 2len here36.98 km91%total41 km
- Łomżyczkaord 2len here22.67 km74%total30 km
- Krzywa Nogaord 1len here22.19 km100%total22 km
- Rużord 6len here15.57 km54%total29 km
- Przytulankaord 1len here13.27 km80%total17 km
- Jakaćord 2len here11.44 km98%total12 km
- Penzaord 6len here11.21 km88%total13 km
- Pisaord 5len here10.42 km13%total79 km
- Cetnaord 2len here9.35 km95%total10 km
- Jedwabiankaord 1len here9.27 km100%total9 km
- Kołomyjaord 3len here7.18 km49%total15 km
12 more river segmentssorted by Strahler order + length
- Biebrzaord 5len here6.03 km4%total162 km
- Skrodaord 5len here5.97 km10%total60 km
- Jastrząbkaord 2len here5.63 km17%total33 km
- Bzdziążekord 1len here4.55 km100%total5 km
- Gaćord 3len here4.17 km15%total29 km
- Szkwaord 3len here3.95 km6%total63 km
- Matlakord 2len here3.31 km19%total17 km
- Męczkaord 1len here2.43 km100%total2 km
- Juraord 1len here2.17 km100%total2 km
- Jabłonkaord 3len here1.39 km5%total28 km
- Wissaord 3len here1.03 km2%total59 km
- Leśnicaord 1len here0.87 km11%total8 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,5nW
Built-up
46,5%
Pesticides
14,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas20
IUCN Not Reported · 9IUCN IV · 7IUCN Not Assigned · 2IUCN II · 1IUCN V · 1
Dolina Biebrzy
IUCN Not ReportedSite of Community Importance (Habitats Directive) · 2008
1 212 km²
Biebrzanski National Park
IUCN IIWetland of International Importance (Ramsar Site) · 1995
597 km²
Biebrzański Park Narodowy
IUCN Not AssignedNational Park · 1993
597 km²
Równiny Kurpiowskiej i Doliny Dolnej Narwi
IUCN Not AssignedProtected Landscape Area · 1982
490 km²
Dolina Dolnej Narwi
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2007
265 km²
Complete list20 protected areas
- Ostoja BiebrzańskaSpecial Protection Area (Birds Directive)IUCN Not Reported20041 485 km²
- Dolina BiebrzySite of Community Importance (Habitats Directive)IUCN Not Reported20081 212 km²
- Biebrzanski National ParkWetland of International Importance (Ramsar Site)IUCN II1995597 km²
- Biebrzański Park NarodowyNational ParkIUCN Not Assigned1993597 km²
- Równiny Kurpiowskiej i Doliny Dolnej NarwiProtected Landscape AreaIUCN Not Assigned1982490 km²
- Dolina Dolnej NarwiSpecial Protection Area (Birds Directive)IUCN Not Reported2007265 km²
- Ostoja NarwiańskaSite of Community Importance (Habitats Directive)IUCN Not Reported2008186 km²
- Bagno WiznaSpecial Protection Area (Birds Directive)IUCN Not Reported2008145 km²
- Łomżyński Park Krajobrazowy Doliny NarwiLandscape ParkIUCN V199474 km²
- Przełomowa Dolina NarwiSpecial Protection Area (Birds Directive)IUCN Not Reported200474 km²
- Czerwony BórSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202350 km²
- Dolina PisySite of Community Importance (Habitats Directive)IUCN Not Reported201232 km²
- Mokradła Kolneńskie i KurpiowskieSite of Community Importance (Habitats Directive)IUCN Not Reported201214 km²
- Wielki DziałNature ReserveIUCN IV19902 km²
- ŁokiećNature ReserveIUCN IV19891 km²
- KanistonNature ReserveIUCN IV19841 km²
- Dębowe GóryNature ReserveIUCN IV20011 km²
- KalinowoNature ReserveIUCN IV19721 km²
- Rycerski KierzNature ReserveIUCN IV19890 km²
- Czarny KątNature ReserveIUCN IV19890 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN