Massif de Saoû et crêtes de La Tour
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2018
67 km²
Commune · FRA
Chastel-Arnaud
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 638
Observations
36 958
Area
13,4km²
Ecological tissue
Sample of 8 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 Chastel-Arnaud : 8 espèces + 0 bulles famille, 4 interactions GloBI documentées sur 1 type (connectance 14.3%, filtre Serrano α=0.2).
Espèces affichées
8
Interactions affichées
4
Connectance
0.143
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 638 distinct species · 36 958 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,0°C
Annual rain
1 293mm
Warmest m°
23,9°C
Coldest m°
-2,5°C
Elevation: 737 m on average (min 436 m, max 1 326 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,0°C
Annual rain
1 293mm
Warmest month
23,9°C
Coldest month
-2,5°C
Mean alt.
737m
Min
436m
Max
1 326m
Std. dev.
167m
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
6,8
Org. C
49,5g/kg
Clay
27,0%
Sand
30,2%
Silt
42,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Drôme
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,7
Org. C
78,1g/kg
Clay
26,2%
Sand
30,7%
Silt
43,0%
5–15 cm
pH H₂O
6,9
Org. C
41,0g/kg
Clay
25,9%
Sand
30,5%
Silt
43,6%
15–30 cm
pH H₂O
6,9
Org. C
29,4g/kg
Clay
28,7%
Sand
29,4%
Silt
41,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest63.6%
Crops1.9%
Built-up0.1%
Bare soil1.2%
Other (grassland, water…)33.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
2,0km
Basins crossed
1
Max stream order
1
Max drainage
1 663km²
Discharge in basins
0,2m³/s
Mean precip.
957mm/an
Mean T°
8,9°C
Moisture idx
0,10
Max snow
14%
Mean runoff
420mm/an
Mean elev. (basins)
785m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Built-up
9,9%
Pesticides
43,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2
Pelouses, forêts et grottes du massif de Saoû
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2010
24 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.