HydroBASINS lev08 watershed · #6080448930
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 5 administrative regions : Antonio Raymondi, Carlos Fermin Fitzcarrald, Huacaybamba, Huari, Marañón
Sub-basin area
888,8km²
Upstream area
10 105,2km²
Discharge
267,37m³/s
Mean elev.
3 572m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Marañón6421 km²
- Bassin de Río Puchca2796 km²
5 dept-equivalent regions (GADM L2)
- 608.6 km²68.8% of basin
- 259.5 km²29.3% of basin
- 14.8 km²1.7% of basin
- 1.2 km²0.1% of basin
- 1.0 km²0.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
153 distinct species · 534 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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 : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 20 interactions GloBI sur 3 types (connectance 7.2%, 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°
10,2°C
Annual rain
834mm
Moisture idx (CMI)
-0,34
Runoff
1 086mm/an
PET
1 324mm
AET
702mm
Mean slope
23,1°
Water table
787cm
Forest
22%
Crops
14%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)