Garrigues de Lançon et Chaînes alentour
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2018
274 km²
Commune · FRA
Saint-Chamas
France
CsaTemperate, dry summer, hot summer(100 %)
Species observed
3 469
Observations
166 415
Area
26,4km²
Ecological tissue
Sample of 48 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 Saint-Chamas : 46 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 2 bulles famille, 60 interactions GloBI documentées sur 4 types (connectance 5.3%, filtre Serrano α=0.2). Les 2 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
48
Interactions affichées
60
Connectance
0.053
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
3 469 distinct species · 166 415 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,4°C
Annual rain
595mm
Warmest m°
30,8°C
Coldest m°
2,1°C
Elevation: 58 m on average (min -1 m, max 157 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
15,4°C
Annual rain
595mm
Warmest month
30,8°C
Coldest month
2,1°C
Mean alt.
58m
Min
-1m
Max
157m
Std. dev.
41m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, 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
7,5
Org. C
33,3g/kg
Clay
28,4%
Sand
32,3%
Silt
39,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Bouches-du-Rhône
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,4
Org. C
56,5g/kg
Clay
28,3%
Sand
32,3%
Silt
39,4%
5–15 cm
pH H₂O
7,5
Org. C
21,8g/kg
Clay
26,1%
Sand
33,0%
Silt
40,9%
15–30 cm
pH H₂O
7,5
Org. C
21,5g/kg
Clay
30,7%
Sand
31,8%
Silt
37,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest28.6%
Crops7.0%
Built-up2.8%
Bare soil4.2%
Other (grassland, water…)57.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 1 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
5,4km
Lake surface here
0,26km²
Basins crossed
1
Max stream order
3
Max drainage
1 591km²
Discharge in basins
0,2m³/s
Mean precip.
640mm/an
Mean T°
13,1°C
Moisture idx
-0,33
Max snow
3%
Mean runoff
295mm/an
Mean elev. (basins)
193m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
1,3nW
Built-up
277,5%
Pesticides
42,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas6
IUCN IV · 4IUCN Not Reported · 2
Marais et zones humides liés à l'étang de Berre
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
16 km²
Domaine De Calissane
IUCN IVBiotope Protection Order · 1996
6 km²
Poudrerie de saint-chamas
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 2017
1 km²
La petite camargue
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 2001
1 km²
La Sambre
IUCN IVBiotope Protection Order · 2013
0 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.