HydroBASINS lev08 watershed · #7080881980
Bassin de Río Agua Zarca
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 : Bluefields, Nueva Guinea, San Carlos
Sub-basin area
601,7km²
Upstream area
601,9km²
Discharge
32,88m³/s
Mean elev.
234m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 570.9 km²95.3% of basin
- 26.2 km²4.4% of basin
- 2.2 km²0.4% of basin
3 intersecting protected areas
Reserva de Biosfera Río San Juan Nicaragua
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
599.37 km² overlap
Punta Gorda
IUCN IVNature Reserve
172.14 km² overlap
Río Indio Maíz
IUCN IaBiological Reserve
71.05 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
337 distinct species · 561 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 Agua Zarca : 17 espèces reliées par 34 interactions GloBI sur 2 types (connectance 10.5%, filtre Serrano α=0.2). 9 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°
24,6°C
Annual rain
3 381mm
Moisture idx (CMI)
0,55
Runoff
1 722mm/an
PET
1 481mm
AET
1 389mm
Mean slope
6,5°
Water table
214cm
Forest
98%
Crops
3%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)