HydroBASINS lev08 watershed · #6080834290
Bassin de Arroio São Tomé
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 : Bom Jesus, Jaquirana, Monte Alegre dos Campos, São Francisco de Paula
Sub-basin area
745,5km²
Upstream area
4 203,5km²
Discharge
106,07m³/s
Mean elev.
825m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Tainhas1449 km²
- Bassin de Rio das Antas684 km²
4 dept-equivalent regions (GADM L2)
- São Francisco de Paula342.9 km²46.1% of basin
- 227.5 km²30.6% of basin
- Bom Jesus172.3 km²23.1% of basin
- 1.7 km²0.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
288 distinct species · 465 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 44 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 Arroio São Tomé : 39 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 35 interactions GloBI sur 4 types (connectance 3.7%, 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°
16,3°C
Annual rain
1 822mm
Moisture idx (CMI)
0,34
Runoff
776mm/an
PET
1 203mm
AET
1 162mm
Mean slope
9,3°
Water table
318cm
Forest
54%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)