HydroBASINS lev08 watershed · #2080341050
Bassin de Bysławska Struga
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 2 administrative regions : Bydgoszcz, Tuchola
Sub-basin area
60,4km²
Upstream area
3 158,6km²
Discharge
24,52m³/s
Mean elev.
103m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Brda1111 km²
- Bassin de Kamionka473 km²
2 dept-equivalent regions (GADM L2)
- Tuchola60.6 km²100.0% of basin
- 0.0 km²0.0% of basin
4 intersecting protected areas
Zalewu Koronowskiego
IUCN Not AssignedProtected Landscape Area
35.25 km² overlap
Bory Tucholskie
IUCN Not ReportedSpecial Protection Area (Birds Directive)
20.08 km² overlap
Śliwicki
IUCN Not AssignedProtected Landscape Area
2.66 km² overlap
Brzozowe Bagno
IUCN Not AssignedNature Reserve
0.04 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
192 distinct species · 320 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Bassin de Bysławska Struga : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 103 interactions GloBI sur 5 types (connectance 13.2%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
7,2°C
Annual rain
576mm
Moisture idx (CMI)
-0,16
Runoff
171mm/an
PET
686mm
AET
486mm
Mean slope
1,2°
Water table
88cm
Forest
47%
Crops
28%
Urban
0%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)