Fleuve majeur
Grand Pass
⚠ Partial coverage : only 1 named segment matched so far. The real fleuve majeur extends much further (Strahler order 9 indicates a major river). Cross-source ingest in progress — values below reflect only the matched segment.
Crosses 1 administrative regions : Plaquemines
Max discharge
21 888,1m³/s
Max Strahler
9
Segments matched
1
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- PlaqueminesLouisiana · United States5.6 kmin this dpt
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
434 distinct species · 37 136 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 Grand Pass : 27 espèces reliées par 81 interactions GloBI sur 4 types (connectance 10.9%, 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)
Matched len.
16,3km
Max discharge
21 888,1m³/s
Max Strahler
9
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.