Ontologia

Ruisseau· 11 segments

La Durdent

Crosses 1 administrative regions : Seine-Maritime

ruisseau

Total length

27km

Max discharge

7,3m³/s

Max Strahler

3

Segments matched

11

River geography1 admin regions · 26 communes

Parent watershed

hybas-2080022240365 km²

1 administrative regions crossed (GADM L2)

26 communes (L5)

6 intersecting protected areas

1 page = 1 named river (aggregation of 11 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

817 distinct species · 5 098 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 35 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 La Durdent : 27 espèces reliées par 97 interactions GloBI sur 6 types (connectance 15.4%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
97
Connectance
0.154
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

27km

Max discharge

7,3m³/s

Max Strahler

3

Segments matched

11

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