Crau
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2018
392 km²
Subdivision · FRA
Istres-Sud
France
CsaTemperate, dry summer, hot summer(100 %)
Species observed
3 183
Observations
144 069
Area
109,9km²
Ecological tissue
Sample of 37 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-Sud : 32 espèces + 5 bulles famille, 55 interactions GloBI documentées sur 5 types (connectance 8.3%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
37
Interactions affichées
55
Connectance
0.083
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
3 183 distinct species · 144 069 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,7°C
Annual rain
597mm
Warmest m°
29,3°C
Coldest m°
3,9°C
Elevation: 11 m on average (min -9 m, max 85 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
15,7°C
Annual rain
597mm
Warmest month
29,3°C
Coldest month
3,9°C
Mean alt.
11m
Min
-9m
Max
85m
Std. dev.
19m
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
7,8
Org. C
34,5g/kg
Clay
26,7%
Sand
32,5%
Silt
40,8%
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
7,7
Org. C
57,9g/kg
Clay
26,0%
Sand
32,9%
Silt
41,0%
5–15 cm
pH H₂O
7,8
Org. C
23,4g/kg
Clay
24,6%
Sand
33,3%
Silt
42,1%
15–30 cm
pH H₂O
7,8
Org. C
22,3g/kg
Clay
29,4%
Sand
31,4%
Silt
39,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest11.5%
Crops10.7%
Built-up7.1%
Bare soil5.9%
Other (grassland, water…)64.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 6 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
22,7km
Lake surface here
6,88km²
Basins crossed
2
Max stream order
2
Max drainage
1 591km²
Discharge in basins
0,2m³/s
Mean precip.
624mm/an
Mean T°
13,8°C
Moisture idx
-0,38
Max snow
3%
Mean runoff
204mm/an
Mean elev. (basins)
49m
Watersheds crossing here
Lakes (6, top by area)
Rivers / streams (6, ord ≥ 4)
- Fossé Meyrolord 1len here8.17 km22%total38 km
- Canal des Martiguesord 1len here6.10 km39%total16 km
- Canal de Fos à Boucord 2len here4.14 km100%total4 km
- Canal de Fos à Boucord 1len here1.64 km95%total2 km
- Canal du Vigueiratord 2len here1.54 km15%total10 km
- Canal de Fos à Boucord 1len here1.06 km92%total1 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
19,2nW
Built-up
714,3%
Pesticides
28,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas12
IUCN IV · 8IUCN Not Reported · 4
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 entre Crau et Grand Rhône
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2018
72 km²
La crau
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 2003
16 km²
Étangs entre Istres et Fos
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2018
12 km²
Complete list12 protected areas
- CrauSpecial Protection Area (Birds Directive)IUCN Not Reported2018392 km²
- Crau centrale - Crau sècheSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported2010315 km²
- Coussouls De CrauNational Nature ReserveIUCN IV200175 km²
- Marais entre Crau et Grand RhôneSpecial Protection Area (Birds Directive)IUCN Not Reported201872 km²
- La crauLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)IUCN IV200316 km²
- Étangs entre Istres et FosSpecial Protection Area (Birds Directive)IUCN Not Reported201812 km²
- Collines de caderaou - figuerollesLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)IUCN IV19944 km²
- Grands Paluds - GononBiotope Protection OrderIUCN IV20093 km²
- Citis pourraLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)IUCN IV20103 km²
- Pourra – Domaine de RanquetRegional Nature ReserveIUCN IV20203 km²
- Collines et salins de fosLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)IUCN IV20150 km²
- Poste De FeuillaneBiotope Protection OrderIUCN IV20090 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
Sub-administrations2
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.