Ontologia

Ruisseau

Fossé Hédin

Crosses 1 administrative regions : Somme

ruisseau

Total length

0km

Max discharge

2,7m³/s

Max Strahler

3

Segments matched

1

River geography1 admin regions · 5 communes

Parent watershed

hybas-2080429650404 km²

1 administrative regions crossed (GADM L2)

  • Somme
    Hauts-de-France · France
    3.8 km
    in this dpt
5 communes (L5)

5 intersecting protected areas

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

Species present

1 881 distinct species · 17 504 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 44 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 Fossé Hédin : 33 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 141 interactions GloBI sur 6 types (connectance 12.5%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
48
Interactions affichées
141
Connectance
0.125
Patrimoniales
2
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

0km

Max discharge

2,7m³/s

Max Strahler

3

Segments matched

1

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