Site of Community Importance (Habitats Directive) · pol
Ostoja Knyszyńska
- Area
- 1 360 km²
- IUCN cat.
- Not Reported
- Year
- 2009
Overview
- Designation
- Site of Community Importance (Habitats Directive)
- Established
- 2009
- Managing authority
- See European Environment Agency Geospatial Data Catalogue for more information - https://sdi.eea.europa.eu/catalogue/srv/api/records/be2142b0-7dc4-42e3-afac-f7cc5f1a9ac6
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
3 340 distinct species · 118 993 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 48 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).
Indicateurs du tissu écologique
Tissu écologique de Ostoja Knyszyńska : 37 espèces reliées par 110 interactions GloBI sur 6 types (connectance 9.8%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology6 basins · 2 lakes · 27 rivers
Hydrology metrics for this exact territory
Stream length here
257,4km
Lake surface here
0,47km²
Basins crossed
6
Max stream order
4
Max drainage
6 764km²
Discharge in basins
10,2m³/s
Mean precip.
582mm/an
Mean T°
6,7°C
Moisture idx
-0,18
Max snow
31%
Mean runoff
166mm/an
Mean elev. (basins)
157m
Watersheds crossing here
- Bassin de Supraślsub-area1 831,5 km²overlap1018.61 km²75%
- Bassin de Верацейкаsub-area1 740,1 km²overlap186.19 km²14%
- Bassin de Brzozówkasub-area733,1 km²overlap84.34 km²6%
- Bassin de Nareślsub-area634,9 km²overlap59.67 km²4%
- Bassin de Biebrzasub-area985 km²overlap6.93 km²1%
- Bassin de Калонкаsub-area1 177,3 km²overlap4.04 km²0%
Lakes (2, top by area)
Rivers / streams (27, ord ≥ 4)
- Supraślord 5len here69.84 km54%total129 km
- Sokołdaord 2len here25.32 km36%total70 km
- Nietupaord 2len here17.52 km88%total20 km
- Słojaord 3len here13.57 km68%total20 km
- Rów Tartacznyord 1len here13.56 km78%total17 km
- Czarnaord 4len here11.80 km4%total334 km
- Jurczychaord 2len here11.17 km100%total11 km
- Płoskaord 2len here11.12 km100%total11 km
- Poczopkówkaord 2len here10.28 km96%total11 km
- Krzemiankaord 3len here8.21 km25%total33 km
- Krasna Rzeczkaord 1len here7.84 km85%total9 km
- Bakinówkaord 2len here7.67 km53%total15 km
15 more river segmentssorted by Strahler order + length
- Свіслач / Świsłoczord 3len here7.53 km18%total43 km
- Gleniówkaord 1len here5.66 km100%total6 km
- Werbelaord 1len here5.33 km80%total7 km
- Kumiałkaord 3len here4.66 km8%total55 km
- Czarna Rzeczkaord 1len here4.62 km35%total13 km
- Jałówkaord 1len here4.56 km52%total9 km
- Sianozatkaord 1len here3.45 km100%total3 km
- Podświdziałówkaord 1len here3.02 km87%total3 km
- Świnobródkaord 1len here2.75 km100%total3 km
- Dzierniakówkaord 1len here2.54 km100%total3 km
- Żedniaord 1len here2.44 km100%total2 km
- Бераставічанкаord 3len here1.53 km9%total17 km
- Kulikówkaord 1len here0.78 km5%total16 km
- Kamionkaord 2len here0.58 km0%total124 km
- Kołodzieżankaord 1len here≈ tangenttotal2 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 53.30023, 23.22075
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.