Ontologia

Rivière· 30 segments

Rio Negro

Crosses 5 administrative regions : Aceguá, Bagé, Hulha Negra, NA

rivière

Total length

2 023km

Max discharge

29,2m³/s

Max Strahler

5

Segments matched

30

River geography5 admin regions · 0 communes

Parent watershed

hybas-60808692701592 km²

5 administrative regions crossed (GADM L2)

  • Bagé
    Rio Grande do Sul · Brazil
    54.8 km
    in this dpt
  • Aceguá
    Rio Grande do Sul · Brazil
    26.6 km
    in this dpt
  • Hulha Negra
    Rio Grande do Sul · Brazil
    21.6 km
    in this dpt
  • Aceguá
    Cerro Largo · Uruguay
    2.0 km
    in this dpt
  • NA
    Rivera · Uruguay
    0.0 km
    in this dpt

1 page = 1 named river (aggregation of 30 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

128 distinct species · 812 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 21 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 Rio Negro : 17 espèces reliées par 17 interactions GloBI sur 3 types (connectance 8.1%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
21
Interactions affichées
17
Connectance
0.081
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

2 023km

Max discharge

29,2m³/s

Max Strahler

5

Segments matched

30

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