HydroBASINS lev08 watershed · #7080884370
Bassin de Río Psei
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 : Buenos Aires, Talamanca
Sub-basin area
122,7km²
Upstream area
122,8km²
Discharge
8,26m³/s
Mean elev.
1 899m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- TalamancaLimón · Costa Rica122.1 km²99.9% of basin
- Buenos AiresPuntarenas · Costa Rica0.1 km²0.1% of basin
4 intersecting protected areas
La Amistad
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
122.20 km² overlap
Internacional La Amistad
IUCN IINational Park
119.76 km² overlap
Talamanca Range-La Amistad Reserves / La Amistad National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
119.70 km² overlap
Turberas de Talamanca
IUCN Not ReportedWetland of International Importance (Ramsar Site)
50.21 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
137 distinct species · 308 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 13 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 Psei : 12 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 9 interactions GloBI sur 2 types (connectance 11.5%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
15,9°C
Annual rain
3 490mm
Moisture idx (CMI)
0,64
Runoff
2 125mm/an
PET
1 254mm
AET
1 209mm
Mean slope
18,6°
Water table
551cm
Forest
100%
Crops
1%
Urban
0%
Protected
98%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)