Nature Reserve · pol
Rzeka Drwęca
- Area
- 16 km²
- IUCN cat.
- IV
- Year
- 1961
Overview
- Designation
- Nature Reserve
- IUCN category
- IV · Aire d'habitats / espèces
Gestion active pour maintenir habitats / espèces particuliers
- Established
- 1961
- Managing authority
- Generalna Dyrekcja Ochrony Środowiska, ul. Wawelska 52/54, 00-922 Warszawa
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
412 distinct species · 2 081 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 23 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 Rzeka Drwęca : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 29 interactions GloBI sur 4 types (connectance 10.5%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology9 basins · 5 lakes · 14 rivers
Hydrology metrics for this exact territory
Stream length here
24,1km
Lake surface here
7,55km²
Basins crossed
9
Max stream order
4
Max drainage
179 428km²
Discharge in basins
0,4m³/s
Mean precip.
615mm/an
Mean T°
7,3°C
Moisture idx
-0,12
Max snow
26%
Mean runoff
223mm/an
Mean elev. (basins)
129m
Watersheds crossing here
- Bassin de Drwęcasub-area699,1 km²overlap10.01 km²63%
- Bassin de Drwęcasub-area1 083 km²overlap2.51 km²16%
- Bassin de Drwęcasub-area693,2 km²overlap1.44 km²9%
- Bassin de Drwęcasub-area390,7 km²overlap0.91 km²6%
- Bassin de Drwęcasub-area112,2 km²overlap0.83 km²5%
- Bassin de Rypienicasub-area337,5 km²overlap0.13 km²1%
- Bassin de Pissasub-area345,6 km²overlap0.07 km²0%
- Bassin de Trumpinasub-area507,8 km²overlap0.05 km²0%
- Bassin de Wisłasub-area1 180,9 km²overlap0.02 km²0%
Lakes (5, top by area)
Rivers / streams (14, ord ≥ 4)
- Drwęcaord 4len here21.54 km7%total318 km
- Grabiczekord 2len here0.84 km5%total19 km
- Rypienicaord 3len here0.50 km1%total46 km
- Dylewkaord 1len here0.42 km7%total6 km
- Brynicaord 3len here0.28 km0%total66 km
- Ruziecord 2len here0.19 km0%total43 km
- Gryźlinaord 1len here0.19 km1%total17 km
- Welord 3len here0.04 km0%total95 km
- Rudnikord 2len here0.04 km0%total10 km
- Brodniczkaord 1len here0.03 km0%total19 km
- Groblicaord 1len here0.03 km0%total8 km
- Sandelaord 1len here0.02 km0%total12 km
2 more river segmentssorted by Strahler order + length
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
- 53.16831, 19.20421
- 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.