Ontologia

Ruisseau· 21 segments

Le Petit Morin

Crosses 3 administrative regions : Aisne, Marne, Seine-et-Marne

ruisseau

Total length

89km

Max discharge

3,8m³/s

Max Strahler

3

Segments matched

21

River geography3 admin regions · 37 communes

Parent watershed

hybas-2080456490629 km²

3 administrative regions crossed (GADM L2)

  • Marne
    Grand Est · France
    37.2 km
    in this dpt
  • Seine-et-Marne
    Île-de-France · France
    25.0 km
    in this dpt
  • Aisne
    Hauts-de-France · France
    9.4 km
    in this dpt
37 communes (L5)

8 intersecting protected areas

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

Species present

523 distinct species · 2 001 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 38 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 Le Petit Morin : 32 espèces reliées par 93 interactions GloBI sur 5 types (connectance 12.6%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
93
Connectance
0.126
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

89km

Max discharge

3,8m³/s

Max Strahler

3

Segments matched

21

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