Vallée de la Dronne de Brantôme à sa confluence avec l'Isle
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
58 km²
Commune · FRA
Allemans
France
CfbTemperate, no dry season, warm summer(100 %)
Area
19,1km²
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
Computing species observations from GBIF…
Climate
Mean T°
12,9°C
Annual rain
876mm
Warmest m°
25,6°C
Coldest m°
2,4°C
Elevation: 95 m on average (min 57 m, max 127 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,9°C
Annual rain
876mm
Warmest month
25,6°C
Coldest month
2,4°C
Mean alt.
95m
Min
57m
Max
127m
Std. dev.
19m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,2
Org. C
33,0g/kg
Clay
30,3%
Sand
28,5%
Silt
41,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Dordogne
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,1
Org. C
52,8g/kg
Clay
28,8%
Sand
28,7%
Silt
42,5%
5–15 cm
pH H₂O
7,3
Org. C
26,1g/kg
Clay
30,3%
Sand
28,0%
Silt
41,7%
15–30 cm
pH H₂O
7,3
Org. C
20,3g/kg
Clay
31,8%
Sand
28,8%
Silt
39,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest18.3%
Crops52.6%
Built-up0.7%
Bare soil1.2%
Other (grassland, water…)27.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
5,2km
Basins crossed
1
Max stream order
4
Max drainage
2 790km²
Discharge in basins
0,3m³/s
Mean precip.
911mm/an
Mean T°
11,9°C
Moisture idx
-0,04
Max snow
2%
Mean runoff
517mm/an
Mean elev. (basins)
147m
Watersheds crossing here
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,3nW
Built-up
65,9%
Pesticides
45,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2
Vallée de la Nizonne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
34 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.