Fleuve· 233 segments
Rio Takutu
Crosses 9 administrative regions : Aishalton - Karaudanawa, Achiwib, Boa Vista, Bonfim, Caracaraí, Ireng / Sawariwau (Including St. +4
Total length
418km
Max discharge
1 306,9m³/s
Max Strahler
7
Segments matched
233
River geography9 admin regions · 0 communes
9 administrative regions crossed (GADM L2)
- BonfimRoraima · Brazil362.9 kmin this dpt
- Ireng / Sawariwau (Including St.Upper Takutu-Upper Essequibo · Guyana99.4 kmin this dpt
- NormandiaRoraima · Brazil90.7 kmin this dpt
- Rest of Region 9Upper Takutu-Upper Essequibo · Guyana75.2 kmin this dpt
- Boa VistaRoraima · Brazil62.5 kmin this dpt
- Aishalton - Karaudanawa, AchiwibUpper Takutu-Upper Essequibo · Guyana43.9 kmin this dpt
- CaracaraíRoraima · Brazil23.3 kmin this dpt
- MarudiUpper Takutu-Upper Essequibo · Guyana22.5 kmin this dpt
- Toka - JakaretingaUpper Takutu-Upper Essequibo · Guyana0.3 kmin this dpt
6 intersecting protected areas
Raposa Serra do Sol
IUCN Not ReportedIndigenous Area
São Marcos - RR
IUCN Not ReportedIndigenous Area
Jacamim
IUCN Not ReportedIndigenous Area
Manoa/Pium
IUCN Not ReportedIndigenous Area
Jabuti
IUCN Not ReportedIndigenous Area
Bom Jesus
IUCN Not ReportedIndigenous Area
1 page = 1 named river (aggregation of 233 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
81 distinct species · 122 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 17 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 Takutu : 15 espèces reliées par 13 interactions GloBI sur 3 types (connectance 9.6%, 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).
Hydrology (HydroRIVERS v10)
Total length
418km
Max discharge
1 306,9m³/s
Max Strahler
7
Segments matched
233
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.