Rivière· 55 segments
Atchafalaya River
Crosses 4 administrative regions : Avoyelles, Pointe Coupee, Saint Landry, Saint Martin
Total length
103km
Max discharge
41,7m³/s
Max Strahler
4
Segments matched
55
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
- Saint LandryLouisiana · United States76.5 kmin this dpt
- Pointe CoupeeLouisiana · United States63.9 kmin this dpt
- Saint MartinLouisiana · United States26.7 kmin this dpt
- AvoyellesLouisiana · United States20.4 kmin this dpt
3 intersecting protected areas
Reserve Program
Reserve Program
National Wildlife Refuge
1 page = 1 named river (aggregation of 55 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
20 distinct species · 20 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 12 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 Atchafalaya River : 12 espèces reliées par 7 interactions GloBI sur 3 types (connectance 10.6%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
103km
Max discharge
41,7m³/s
Max Strahler
4
Segments matched
55
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.