HydroBASINS lev08 watershed · #6080894310
Bassin de Arroyo del Alférez
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 : Garzon, NA
Sub-basin area
674km²
Upstream area
674km²
Discharge
12,17m³/s
Mean elev.
139m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 353.1 km²52.4% of basin
- 320.8 km²47.6% of basin
1 intersecting protected areas
Bañados del Este y Franja Costera
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
16.29 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
267 distinct species · 672 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 45 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 Arroyo del Alférez : 38 espèces reliées par 52 interactions GloBI sur 5 types (connectance 5.3%, filtre Serrano α=0.2). 7 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°
16,2°C
Annual rain
1 185mm
Moisture idx (CMI)
-0,03
Runoff
584mm/an
PET
1 221mm
AET
925mm
Mean slope
3,5°
Water table
186cm
Forest
24%
Crops
2%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)