Ontologia

Rivière· 113 segments

Le Tarn

Crosses 5 administrative regions : Aveyron, Haute-Garonne, Lozère, Tarn, Tarn-et-Garonne

rivière

Total length

389km

Max discharge

202m³/s

Max Strahler

6

Segments matched

113

River geography5 admin regions · 115 communes

Parent watershed

hybas-2080571480219 km²

5 administrative regions crossed (GADM L2)

  • Aveyron
    Occitanie · France
    114.3 km
    in this dpt
  • Lozère
    Occitanie · France
    97.3 km
    in this dpt
  • Tarn
    Occitanie · France
    84.4 km
    in this dpt
  • Tarn-et-Garonne
    Occitanie · France
    43.7 km
    in this dpt
  • Haute-Garonne
    Occitanie · France
    24.6 km
    in this dpt
115 communes (L5)

22 intersecting protected areas

13 more protected areas

1 page = 1 named river (aggregation of 113 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

7 318 distinct species · 288 375 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 37 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 Tarn : 33 espèces + 4 bulles famille, 62 interactions GloBI documentées sur 7 types (connectance 9.3%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
37
Interactions affichées
62
Connectance
0.093
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

389km

Max discharge

202,0m³/s

Max Strahler

6

Segments matched

113

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