HydroBASINS lev08 watershed · #6080341460
Bassin de Río Samiria
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 3 administrative regions : Alto Amazonas, Loreto, Requena
Sub-basin area
3 307,5km²
Upstream area
3 307,7km²
Discharge
152,83m³/s
Mean elev.
149m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 1776.7 km²53.9% of basin
- RequenaLoreto · Peru1400.0 km²42.5% of basin
- Alto AmazonasLoreto · Peru116.5 km²3.5% of basin
2 intersecting protected areas
Pacaya Samiria
IUCN Not ReportedWetland of International Importance (Ramsar Site)
3139.56 km² overlap
Pacaya - Samiria
IUCN VINational Reserve
3139.56 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
45 distinct species · 54 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 7 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 Samiria : 7 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 5 interactions GloBI sur 1 type (connectance 23.8%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
26,8°C
Annual rain
2 143mm
Moisture idx (CMI)
0,17
Runoff
1 530mm/an
PET
1 781mm
AET
1 648mm
Mean slope
0,7°
Water table
10cm
Forest
100%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)