Vallées du Tarn, de l'Aveyron, du Viaur, de l'Agout et du Gijou
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2007
171 km²
Commune · FRA
Montauban
France
CfaTemperate, no dry season, hot summer(100 %)
Species observed
1 956
Observations
21 623
Area
136,1km²
Ecological tissue
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Species present
1 956 distinct species · 21 623 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
13,7°C
Annual rain
708mm
Warmest m°
27,1°C
Coldest m°
2,3°C
Elevation: 104 m on average (min 77 m, max 181 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
13,7°C
Annual rain
708mm
Warmest month
27,1°C
Coldest month
2,3°C
Mean alt.
104m
Min
77m
Max
181m
Std. dev.
26m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,8
Org. C
28,7g/kg
Clay
29,6%
Sand
28,9%
Silt
41,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Tarn-et-Garonne
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,7
Org. C
49,4g/kg
Clay
28,5%
Sand
29,8%
Silt
41,7%
5–15 cm
pH H₂O
6,9
Org. C
19,0g/kg
Clay
29,0%
Sand
29,0%
Silt
42,0%
15–30 cm
pH H₂O
6,9
Org. C
17,8g/kg
Clay
31,3%
Sand
28,0%
Silt
40,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest15.7%
Crops30.9%
Built-up4.8%
Bare soil1.3%
Other (grassland, water…)47.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 1 lakes · 10 rivers
Hydrology metrics for this exact territory
Stream length here
44,9km
Lake surface here
0,17km²
Basins crossed
2
Max stream order
5
Max drainage
9 748km²
Discharge in basins
27,7m³/s
Mean precip.
733mm/an
Mean T°
12,8°C
Moisture idx
-0,26
Max snow
2%
Mean runoff
245mm/an
Mean elev. (basins)
144m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (10, ord ≥ 4)
- Le Tarnord 6len here16.25 km4%total364 km
- Le Tescouord 3len here7.90 km34%total23 km
- Ruisseau de Frézalord 5len here6.84 km99%total7 km
- Le Grand Mortarieuord 1len here6.03 km100%total6 km
- Ruisseau de l'Angleord 1len here3.33 km62%total5 km
- Ruisseau de la Plaineord 1len here2.99 km77%total4 km
- Ruisseau de Nauzeord 5len here0.85 km11%total8 km
- Ruisseau de Gesseord 1len here0.69 km25%total3 km
- Ruisseau Du Tordreord 2len here≈ tangenttotal4 km
- Ruisseau de Laujoleord 2len here≈ tangenttotal3 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
3hab/km²
Night light
4,0nW
Built-up
483,4%
Pesticides
45,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 1IUCN IV · 1
Cours De La Garonne, De L\'Aveyron, Du Viaur Et Du Tarn
IUCN IVBiotope Protection Order · 1988
13 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
France-specific data (Phase 2)
ZNIEFF, Natura 2000, INPN protected spaces, BNV-D pesticides, Naïades water quality, SAFRAN fine climate, BRGM lithology — Layer FR to load in Phase 2.