Marais de Braud-et-Saint-Louis et de Saint-Ciers-sur-Gironde
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
109 km²
Commune · FRA
Étauliers
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
999
Observations
6 002
Area
13,1km²
Ecological tissue
Sample of 42 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 Étauliers : 33 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 128 interactions GloBI sur 6 types (connectance 14.2%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
43
Interactions affichées
128
Connectance
0.142
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
999 distinct species · 6 002 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
13,6°C
Annual rain
855mm
Warmest m°
25,7°C
Coldest m°
3,4°C
Elevation: 8 m on average (min 1 m, max 20 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
13,6°C
Annual rain
855mm
Warmest month
25,7°C
Coldest month
3,4°C
Mean alt.
8m
Min
1m
Max
20m
Std. dev.
6m
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
6,5
Org. C
36,3g/kg
Clay
31,6%
Sand
37,2%
Silt
31,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Gironde
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,4
Org. C
61,5g/kg
Clay
30,1%
Sand
38,1%
Silt
31,8%
5–15 cm
pH H₂O
6,5
Org. C
27,2g/kg
Clay
32,4%
Sand
36,2%
Silt
31,3%
15–30 cm
pH H₂O
6,5
Org. C
20,4g/kg
Clay
32,3%
Sand
37,2%
Silt
30,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest30.3%
Crops26.1%
Built-up1.4%
Bare soil0.8%
Other (grassland, water…)41.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
8,1km
Basins crossed
1
Max stream order
3
Max drainage
2 220km²
Discharge in basins
0,0m³/s
Mean precip.
870mm/an
Mean T°
12,6°C
Moisture idx
-0,01
Max snow
4%
Mean runoff
529mm/an
Mean elev. (basins)
23m
Watersheds crossing here
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,6nW
Built-up
144,4%
Pesticides
44,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2🌊 Marine · 1
Estuaire de la Gironde : marais du Blayais
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2019
69 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.