Ontologia

Rivière· 34 segments

Igarapé Grande

Crosses 10 administrative regions : Alto Alegre, Boa Vista, Cacoal, Cantá, Castanheiras +5

rivière

Total length

155km

Max discharge

507,6m³/s

Max Strahler

6

Segments matched

34

River geography10 admin regions · 0 communes

Parent watershed

hybas-60802671201219 km²

10 administrative regions crossed (GADM L2)

  • Tonantins
    Amazonas · Brazil
    37.4 km
    in this dpt
  • Fonte Boa
    Amazonas · Brazil
    27.1 km
    in this dpt
  • Colniza
    Mato Grosso · Brazil
    19.0 km
    in this dpt
  • Boa Vista
    Roraima · Brazil
    11.6 km
    in this dpt
  • Alto Alegre
    Roraima · Brazil
    7.2 km
    in this dpt
  • Japurá
    Amazonas · Brazil
    5.9 km
    in this dpt
  • Cacoal
    Rondônia · Brazil
    1.9 km
    in this dpt
  • Presidente Médici
    Rondônia · Brazil
    0.5 km
    in this dpt
  • Castanheiras
    Rondônia · Brazil
    0.3 km
    in this dpt
  • Cantá
    Roraima · Brazil
    0.2 km
    in this dpt

5 intersecting protected areas

1 page = 1 named river (aggregation of 34 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

31 distinct species · 40 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 4 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Igarapé Grande : 4 espèces reliées par 2 interactions GloBI sur 1 type (connectance 33.3%, filtre Serrano α=0.2).

Espèces affichées
4
Interactions affichées
2
Connectance
0.333
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)

Total length

155km

Max discharge

507,6m³/s

Max Strahler

6

Segments matched

34

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.