Ontologia

Rivière· 31 segments

Le Grand Hers

Crosses 3 administrative regions : Ariège, Aude, Haute-Garonne

rivière

Total length

136km

Max discharge

14,5m³/s

Max Strahler

4

Segments matched

31

River geography3 admin regions · 70 communes

Parent watershed

hybas-20805817801390 km²

3 administrative regions crossed (GADM L2)

  • Ariège
    Occitanie · France
    103.1 km
    in this dpt
  • Aude
    Occitanie · France
    30.1 km
    in this dpt
  • Haute-Garonne
    Occitanie · France
    13.7 km
    in this dpt
70 communes (L5)

9 intersecting protected areas

1 page = 1 named river (aggregation of 31 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 493 distinct species · 7 232 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 32 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 Grand Hers : 28 espèces + 4 bulles famille, 54 interactions GloBI documentées sur 5 types (connectance 10.9%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
32
Interactions affichées
54
Connectance
0.109
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

136km

Max discharge

14,5m³/s

Max Strahler

4

Segments matched

31

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