Ontologia

Rivière· 21 segments

River Witham

Crosses 2 administrative regions : NA

rivière

Total length

137km

Max discharge

24,9m³/s

Max Strahler

4

Segments matched

21

River geography2 admin regions · 0 communes

Parent watershed

hybas-2080346530701 km²

2 administrative regions crossed (GADM L2)

  • NA
    England · United Kingdom
    95.4 km
    in this dpt
  • NA
    England · United Kingdom
    0.0 km
    in this dpt

4 intersecting protected areas

1 page = 1 named river (aggregation of 21 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

457 distinct species · 2 912 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 34 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 Witham : 21 espèces reliées par 88 interactions GloBI sur 5 types (connectance 14.8%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
88
Connectance
0.148
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

137km

Max discharge

24,9m³/s

Max Strahler

4

Segments matched

21

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