Rivière· 20 segments
Gulf Intracoastal Waterway
Crosses 2 administrative regions : Lafourche, Terrebonne
Total length
1 681km
Max discharge
26,7m³/s
Max Strahler
4
Segments matched
20
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- TerrebonneLouisiana · United States64.7 kmin this dpt
- LafourcheLouisiana · United States29.3 kmin this dpt
1 intersecting protected areas
Mandalay
IUCN IVNational Wildlife Refuge
1 page = 1 named river (aggregation of 20 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
412 distinct species · 12 514 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Gulf Intracoastal Waterway : 27 espèces reliées par 71 interactions GloBI sur 3 types (connectance 9.6%, filtre Serrano α=0.2). 12 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
1 681km
Max discharge
26,7m³/s
Max Strahler
4
Segments matched
20
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.