HydroBASINS lev08 watershed · #2080016990
Bassin · #2080016990
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 1 administrative regions : Barcelona
Sub-basin area
49,6km²
Upstream area
49,6km²
Discharge
0,35m³/s
Mean elev.
41m
Administrative coverage
3 intersecting protected areas
Serra de Collserola
IUCN VIProtection Plan
0.26 km² overlap
Serra de Collserola
IUCN VNatural Park
0.26 km² overlap
Serra de Collserola
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.26 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
6 198 distinct species · 256 456 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 · #2080016990 : 34 espèces reliées par 65 interactions GloBI sur 2 types (connectance 8.3%, filtre Serrano α=0.2). 6 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°
16,4°C
Annual rain
613mm
Moisture idx (CMI)
-0,33
Runoff
229mm/an
PET
915mm
AET
521mm
Mean slope
2,5°
Water table
181cm
Forest
17%
Crops
2%
Urban
99%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)