Ontologia

Rivière· 92 segments

River Severn

Crosses 5 administrative regions : NA, Powys, Telford and Wrekin

rivière

Total length

363km

Max discharge

188,2m³/s

Max Strahler

5

Segments matched

92

River geography5 admin regions · 0 communes

Parent watershed

hybas-20803733401620 km²

5 administrative regions crossed (GADM L2)

  • NA
    England · United Kingdom
    113.7 km
    in this dpt
  • Powys
    Wales · United Kingdom
    69.6 km
    in this dpt
  • NA
    England · United Kingdom
    56.8 km
    in this dpt
  • NA
    NA · United Kingdom
    49.7 km
    in this dpt
  • Telford and Wrekin
    England · United Kingdom
    5.9 km
    in this dpt

30 intersecting protected areas

21 more protected areas

1 page = 1 named river (aggregation of 92 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

2 870 distinct species · 25 521 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 36 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 River Severn : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 126 interactions GloBI sur 5 types (connectance 18.9%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
126
Connectance
0.189
Patrimoniales
1
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

363km

Max discharge

188,2m³/s

Max Strahler

5

Segments matched

92

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