HydroBASINS lev08 watershed · #6080638150
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 2 administrative regions : Cristalina, Unaí
Sub-basin area
674,2km²
Upstream area
674,2km²
Discharge
8,65m³/s
Mean elev.
924m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- CristalinaGoiás · Brazil384.2 km²57.2% of basin
- 287.7 km²42.8% of basin
1 intersecting protected areas
Natural Heritage Private Reserve
1.43 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
179 distinct species · 320 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 21 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 : 19 espèces reliées par 16 interactions GloBI sur 4 types (connectance 7.6%, filtre Serrano α=0.2). 2 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°
21,4°C
Annual rain
1 326mm
Moisture idx (CMI)
-0,20
Runoff
404mm/an
PET
1 648mm
AET
1 115mm
Mean slope
2,1°
Water table
196cm
Forest
2%
Crops
18%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)