Fleuve· 83 segments
Grand Abounami
Crosses 3 administrative regions : Grand-Santi, Maripasoula, Papaïchton
Total length
161km
Max discharge
1 069,9m³/s
Max Strahler
7
Segments matched
83
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- PapaïchtonSaint-Laurent-du-Maroni · French Guiana130.5 kmin this dpt
- Grand-SantiSaint-Laurent-du-Maroni · French Guiana121.4 kmin this dpt
- MaripasoulaSaint-Laurent-du-Maroni · French Guiana0.8 kmin this dpt
2 intersecting protected areas
Guyane (Parc Amazonien)
IUCN IINational Park - Core Area
National Park - Buffer zone/Area of adhesion
1 page = 1 named river (aggregation of 83 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
41 distinct species · 48 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 3 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 Grand Abounami : 2 espèces reliées par 2 interactions GloBI sur 1 type (connectance 66.7%, filtre Serrano α=0.2). 1 bulle taxonomique (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
161km
Max discharge
1 069,9m³/s
Max Strahler
7
Segments matched
83
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.