HydroBASINS lev08 watershed · #6080332140
Bassin de Río Marañón
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 : Bagua, Condorcanqui
Sub-basin area
326,7km²
Upstream area
67 492,6km²
Discharge
1 742,67m³/s
Mean elev.
571m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Imaza3531 km²
- Bassin de Río Marañón1203 km²
2 dept-equivalent regions (GADM L2)
- 325.0 km²99.9% of basin
- 0.3 km²0.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 440 distinct species · 3 357 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Río Marañón : 26 espèces reliées par 31 interactions GloBI sur 3 types (connectance 7.1%, filtre Serrano α=0.2). 4 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°
24,2°C
Annual rain
2 448mm
Moisture idx (CMI)
0,31
Runoff
1 465mm/an
PET
1 666mm
AET
1 653mm
Mean slope
11,9°
Water table
418cm
Forest
95%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)