HydroBASINS lev08 watershed · #7080858890
Bassin de Río San Juan
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 : Flores, San Andrés, San José
Sub-basin area
1 125,8km²
Upstream area
1 125,8km²
Discharge
7,57m³/s
Mean elev.
215m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 774.6 km²69.0% of basin
- 308.5 km²27.5% of basin
- 39.1 km²3.5% of basin
3 intersecting protected areas
Maya
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
915.13 km² overlap
Laguna del Tigre
IUCN IINational Park
186.61 km² overlap
Mirador - Río Azul
IUCN IINational Park
20.39 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
509 distinct species · 24 109 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 16 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 San Juan : 13 espèces reliées par 13 interactions GloBI sur 2 types (connectance 10.8%, 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°
25,5°C
Annual rain
1 442mm
Moisture idx (CMI)
-0,08
Runoff
263mm/an
PET
1 562mm
AET
1 151mm
Mean slope
1,2°
Water table
60cm
Forest
99%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)