Ruisseau· 3 segments
Le Trèvezel
Crosses 2 administrative regions : Aveyron, Gard
Total length
30km
Max discharge
1,9m³/s
Max Strahler
2
Segments matched
3
River geography2 admin regions · 7 communes
2 administrative regions crossed (GADM L2)
7 communes (L5)For countries with L5
- Trèves5.75 km
- Lanuéjols4.82 km
- Saint-Sauveur-Camprieu3.55 km
- Nant3.47 km
- Dourbies0.81 km
- Causse-Bégon0.26 km
- Revens0.00 km
10 intersecting protected areas
Grands Causses
IUCN VRegional Nature Park
National Park - Buffer zone/Area of adhesion
Cévennes
IUCN IINational Park - Core Area
Les Cévennes
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Gorges de la Dourbie et causses avoisinants
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Massif de l'Aigoual et du Lingas
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Gorges de la Dourbie
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Causse Noir
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Causse noir
IUCN Not ReportedSpecial Protection Area (Birds Directive)
1 more protected areassorted by area
Gorges de Trevezel
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 404 distinct species · 9 031 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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).
Indicateurs du tissu écologique
Tissu écologique de Le Trèvezel : 29 espèces + 4 bulles famille, 52 interactions GloBI documentées sur 6 types (connectance 9.8%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
30km
Max discharge
1,9m³/s
Max Strahler
2
Segments matched
3
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.