Crau
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2018
392 km²
Subdivision · FRA
Istres-Nord
France
CsaTemperate, dry summer, hot summer(100 %)
Species observed
1 617
Observations
12 664
Area
25,8km²
Ecological tissue
Sample of 34 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 Istres-Nord : 28 espèces + 6 bulles famille, 58 interactions GloBI documentées sur 5 types (connectance 10.3%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
34
Interactions affichées
58
Connectance
0.103
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
1 617 distinct species · 12 664 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,4°C
Annual rain
613mm
Warmest m°
30,9°C
Coldest m°
2,2°C
Elevation: 54 m on average (min 17 m, max 76 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
15,4°C
Annual rain
613mm
Warmest month
30,9°C
Coldest month
2,2°C
Mean alt.
54m
Min
17m
Max
76m
Std. dev.
12m
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
7,6
Org. C
32,0g/kg
Clay
24,8%
Sand
33,9%
Silt
41,4%
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
7,5
Org. C
55,7g/kg
Clay
24,4%
Sand
34,3%
Silt
41,4%
5–15 cm
pH H₂O
7,6
Org. C
20,9g/kg
Clay
22,3%
Sand
34,9%
Silt
42,9%
15–30 cm
pH H₂O
7,7
Org. C
19,4g/kg
Clay
27,6%
Sand
32,5%
Silt
39,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest20.8%
Crops9.9%
Built-up7.1%
Bare soil2.3%
Other (grassland, water…)59.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 1 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
2,6km
Lake surface here
0,00km²
Basins crossed
2
Max stream order
1
Max drainage
1 591km²
Discharge in basins
0,1m³/s
Mean precip.
631mm/an
Mean T°
13,5°C
Moisture idx
-0,36
Max snow
3%
Mean runoff
244mm/an
Mean elev. (basins)
112m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
7hab/km²
Night light
11,9nW
Built-up
708,7%
Pesticides
41,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas6
IUCN Not Reported · 3IUCN IV · 3
Crau centrale - Crau sèche
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2010
315 km²
Coussouls De Crau
IUCN IVNational Nature Reserve · 2001
75 km²
Marais et zones humides liés à l'étang de Berre
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
16 km²
reserve naturelle nationale des coussouls de crau
IUCN IVLand acquired by a regional conservatory of natural areas · 2001
4 km²
Poudrerie de saint-chamas
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 2017
1 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
Sub-administrations1
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.