Ontologia

Ruisseau· 29 segments

La Cèze

Crosses 3 administrative regions : Ardèche, Gard, Lozère

ruisseau

Total length

129km

Max discharge

19,3m³/s

Max Strahler

3

Segments matched

29

River geography3 admin regions · 48 communes

Parent watershed

hybas-20805687301357 km²

3 administrative regions crossed (GADM L2)

  • Gard
    Occitanie · France
    110.9 km
    in this dpt
  • Ardèche
    Auvergne-Rhône-Alpes · France
    2.4 km
    in this dpt
  • Lozère
    Occitanie · France
    1.7 km
    in this dpt
48 communes (L5)

8 intersecting protected areas

1 page = 1 named river (aggregation of 29 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

3 391 distinct species · 90 394 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 41 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 Cèze : 37 espèces + 4 bulles famille, 65 interactions GloBI documentées sur 6 types (connectance 7.9%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
41
Interactions affichées
65
Connectance
0.079
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

129km

Max discharge

19,3m³/s

Max Strahler

3

Segments matched

29

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