HydroBASINS lev08 watershed · #7080001750
Bassin de Río Ora
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 4 administrative regions : Hojancha, Nandayure, Nicoya, Puntarenas
Sub-basin area
732,9km²
Upstream area
732,9km²
Discharge
9,72m³/s
Mean elev.
212m
Administrative coverage
4 dept-equivalent regions (GADM L2)
- 326.0 km²44.7% of basin
- Nicoya219.9 km²30.1% of basin
- Hojancha156.7 km²21.5% of basin
- PuntarenasPuntarenas · Costa Rica0.1 km²0.0% of basin
7 intersecting protected areas
Camaronal
IUCN VINational Wildlife Refuge
5.11 km² overlap
Ostional
IUCN VINational Wildlife Refuge
4.87 km² overlap
Caletas Ario
IUCN VINational Wildlife Refuge
3.61 km² overlap
Werner Sauter
IUCN VINational Wildlife Refuge
1.45 km² overlap
Monte Alto
IUCN IVProtected Zone
0.25 km² overlap
Isla Chora
IUCN VINational Wildlife Refuge
0.06 km² overlap
Peninsula de Nicoya
IUCN IVProtected Zone
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 698 distinct species · 82 739 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Ora : 20 espèces reliées par 32 interactions GloBI sur 2 types (connectance 6.9%, filtre Serrano α=0.2). 11 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°
25,5°C
Annual rain
2 090mm
Moisture idx (CMI)
0,15
Runoff
1 263mm/an
PET
1 782mm
AET
1 247mm
Mean slope
10,5°
Water table
398cm
Forest
77%
Crops
12%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)