Ontologia

Rivière· 14 segments

Le Gardon d'Alès

Crosses 2 administrative regions : Gard, Lozère

rivière

Total length

51km

Max discharge

25,8m³/s

Max Strahler

4

Segments matched

14

River geography2 admin regions · 22 communes

Parent watershed

hybas-20805728701992 km²

2 administrative regions crossed (GADM L2)

  • Gard
    Occitanie · France
    21.2 km
    in this dpt
  • Lozère
    Occitanie · France
    15.5 km
    in this dpt
22 communes (L5)

4 intersecting protected areas

1 page = 1 named river (aggregation of 14 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 297 distinct species · 12 073 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 Gardon d'Alès : 27 espèces reliées par 146 interactions GloBI sur 5 types (connectance 19.7%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
146
Connectance
0.197
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

51km

Max discharge

25,8m³/s

Max Strahler

4

Segments matched

14

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