Gorges de la Loire et affluents partie sud
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
71 km²
Commune · FRA
Arsac-en-Velay
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 816
Observations
24 516
Area
11,5km²
Ecological tissue
Sample of 23 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 Arsac-en-Velay : 17 espèces reliées par 42 interactions GloBI sur 5 types (connectance 15.2%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
24
Interactions affichées
42
Connectance
0.152
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
1 816 distinct species · 24 516 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
9,8°C
Annual rain
869mm
Warmest m°
23,2°C
Coldest m°
-1,5°C
Elevation: 754 m on average (min 654 m, max 848 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
9,8°C
Annual rain
869mm
Warmest month
23,2°C
Coldest month
-1,5°C
Mean alt.
754m
Min
654m
Max
848m
Std. dev.
50m
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
6,3
Org. C
38,1g/kg
Clay
20,8%
Sand
43,3%
Silt
36,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Haute-Loire
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,1
Org. C
61,6g/kg
Clay
20,2%
Sand
44,4%
Silt
35,4%
5–15 cm
pH H₂O
6,3
Org. C
32,4g/kg
Clay
19,4%
Sand
44,0%
Silt
36,6%
15–30 cm
pH H₂O
6,3
Org. C
20,4g/kg
Clay
22,7%
Sand
41,5%
Silt
35,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest35.2%
Crops30.3%
Built-up1.3%
Bare soil1.2%
Other (grassland, water…)32.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
2,7km
Basins crossed
1
Max stream order
1
Max drainage
1 972km²
Discharge in basins
0,1m³/s
Mean precip.
771mm/an
Mean T°
7,9°C
Moisture idx
-0,03
Max snow
16%
Mean runoff
394mm/an
Mean elev. (basins)
969m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Built-up
126,1%
Pesticides
29,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
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.