HydroBASINS lev08 watershed · #6080013710
Bassin de Córrego Valão Seco
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 : Campos dos Goytacazes, Presidente Kennedy, São Francisco de Itabapoana
Sub-basin area
509,4km²
Upstream area
509,4km²
Discharge
1,16m³/s
Mean elev.
29m
Administrative coverage
3 dept-equivalent regions (GADM L2)
- São Francisco de ItabapoanaRio de Janeiro · Brazil446.7 km²87.9% of basin
- Campos dos GoytacazesRio de Janeiro · Brazil46.6 km²9.2% of basin
- Presidente Kennedy1.4 km²0.3% of basin
2 intersecting protected areas
Ecological Station
32.59 km² overlap
Rds Foz Do Itabapoana
IUCN VISustainable Development Reserve
1.22 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
836 distinct species · 6 273 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 Córrego Valão Seco : 18 espèces reliées par 35 interactions GloBI sur 3 types (connectance 9.3%, filtre Serrano α=0.2). 10 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°
23,1°C
Annual rain
999mm
Moisture idx (CMI)
-0,29
Runoff
220mm/an
PET
1 410mm
AET
845mm
Mean slope
1,7°
Water table
89cm
Forest
5%
Crops
2%
Urban
0%
Protected
6%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)