HydroBASINS lev08 watershed · #6080334580
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 1 administrative regions : Alto Amazonas
Sub-basin area
319,9km²
Upstream area
192 354,9km²
Discharge
7 804,96m³/s
Mean elev.
132m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Ungumayo1486 km²
- Bassin de Río Marañón184 km²
1 dept-equivalent regions (GADM L2)
- Alto AmazonasLoreto · Peru318.5 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
116 distinct species · 116 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 19 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 : 16 espèces reliées par 15 interactions GloBI sur 2 types (connectance 8.8%, filtre Serrano α=0.2). 3 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°
26,6°C
Annual rain
2 079mm
Moisture idx (CMI)
0,18
Runoff
1 519mm/an
PET
1 695mm
AET
1 617mm
Mean slope
0,3°
Water table
9cm
Forest
92%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)