HydroBASINS lev08 watershed · #6080672420
Bassin de Rio São Marcos
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 : Campo Alegre de Goiás, Catalão, Davinópolis, Ouvidor
Sub-basin area
1 378km²
Upstream area
11 046,3km²
Discharge
130,3m³/s
Mean elev.
810m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ribeirão Imburuçu482 km²
- Bassin de Rio São Marcos153 km²
4 dept-equivalent regions (GADM L2)
- 907.3 km²66.1% of basin
- Campo Alegre de GoiásGoiás · Brazil235.4 km²17.1% of basin
- 172.2 km²12.5% of basin
- DavinópolisGoiás · Brazil58.6 km²4.3% of basin
1 intersecting protected areas
Environmental Protection Area
0.22 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
669 distinct species · 2 381 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 19 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 Rio São Marcos : 15 espèces reliées par 23 interactions GloBI sur 3 types (connectance 12.1%, filtre Serrano α=0.2). 5 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°
22,8°C
Annual rain
1 430mm
Moisture idx (CMI)
-0,14
Runoff
348mm/an
PET
1 668mm
AET
1 155mm
Mean slope
4,8°
Water table
257cm
Forest
2%
Crops
5%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)