Rivière· 9 segments
Grand Bayou
Crosses 3 administrative regions : Iberia, Saint Martin, Saint Mary
Total length
45km
Max discharge
41,8m³/s
Max Strahler
4
Segments matched
9
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- Saint MaryLouisiana · United States19.3 kmin this dpt
- Saint MartinLouisiana · United States12.7 kmin this dpt
- IberiaLouisiana · United States12.4 kmin this dpt
1 intersecting protected areas
Lake Fausse Pointe
IUCN VState Park
1 page = 1 named river (aggregation of 9 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
52 distinct species · 110 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 Bayou : 23 espèces reliées par 29 interactions GloBI sur 3 types (connectance 8.9%, filtre Serrano α=0.2). 3 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
45km
Max discharge
41,8m³/s
Max Strahler
4
Segments matched
9
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.