Ontologia

Rivière

Corrego da Grama

⚠ Partial coverage : only 1 named segment matched so far. The real rivière extends much further (Strahler order 6 indicates a major river). Cross-source ingest in progress — values below reflect only the matched segment.

Crosses 2 administrative regions : Chiador, Três Rios

rivière

Max discharge

503,3m³/s

Max Strahler

6

Segments matched

1

River geography2 admin regions · 0 communes

Parent watershed

hybas-60807401601123 km²

2 administrative regions crossed (GADM L2)

  • Três Rios
    Rio de Janeiro · Brazil
    4.6 km
    in this dpt
  • Chiador
    Minas Gerais · Brazil
    3.6 km
    in this dpt

1 intersecting protected areas

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

Species present

69 distinct species · 132 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 16 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 Corrego da Grama : 13 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 13 interactions GloBI sur 3 types (connectance 10.8%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
16
Interactions affichées
13
Connectance
0.108
Patrimoniales
1
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)

Matched len.

0,6km

Max discharge

503,3m³/s

Max Strahler

6

Segments matched

1

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