Ontologia

Rivière· 69 segments

Severn River

Crosses 4 administrative regions : Glen Innes Severn, Inverell, Southern Downs, Tenterfield

rivière

Total length

1 181km

Max discharge

7,3m³/s

Max Strahler

4

Segments matched

69

River geography4 admin regions · 0 communes

Parent watershed

hybas-50805106901269 km²

4 administrative regions crossed (GADM L2)

8 intersecting protected areas

1 page = 1 named river (aggregation of 69 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

135 distinct species · 263 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Severn River : 10 espèces reliées par 7 interactions GloBI sur 2 types (connectance 10.6%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
12
Interactions affichées
7
Connectance
0.106
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)

Total length

1 181km

Max discharge

7,3m³/s

Max Strahler

4

Segments matched

69

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.