Rivière· 165 segments
Rio Alalaú
Crosses 3 administrative regions : Novo Airão, Presidente Figueiredo, Rorainópolis
rivière
Total length
228km
Max discharge
392m³/s
Max Strahler
5
Segments matched
165
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- RorainópolisRoraima · Brazil261.0 kmin this dpt
- Presidente FigueiredoAmazonas · Brazil143.6 kmin this dpt
- Novo AirãoAmazonas · Brazil67.8 kmin this dpt
2 intersecting protected areas
Waimiri-Atroari
IUCN Not ReportedIndigenous Area
Sustainable Development Reserve
1 page = 1 named river (aggregation of 165 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
0 distinct species · 0 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Hydrology (HydroRIVERS v10)
Total length
228km
Max discharge
392,0m³/s
Max Strahler
5
Segments matched
165
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.