Ruisseau· 5 segments
Rio Sana
Crosses 3 administrative regions : Casimiro de Abreu, Macaé, Nova Friburgo
Total length
37km
Max discharge
1,9m³/s
Max Strahler
2
Segments matched
5
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- MacaéRio de Janeiro · Brazil18.3 kmin this dpt
- Casimiro de AbreuRio de Janeiro · Brazil0.0 kmin this dpt
- Nova FriburgoRio de Janeiro · Brazil0.0 kmin this dpt
2 intersecting protected areas
Environmental Protection Area
Environmental Protection Area
1 page = 1 named river (aggregation of 5 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
289 distinct species · 512 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Rio Sana : 26 espèces reliées par 35 interactions GloBI sur 4 types (connectance 6.2%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
37km
Max discharge
1,9m³/s
Max Strahler
2
Segments matched
5
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.