Barthes de l'Adour
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2019
156 km²
Commune · FRA
Siest
France
CfaTemperate, no dry season, hot summer(50 %)
Species observed
1 107
Observations
6 796
Area
2,9km²
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 Siest : 28 espèces + 6 bulles famille, 86 interactions GloBI documentées sur 4 types (connectance 15.3%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
34
Interactions affichées
86
Connectance
0.153
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
1 107 distinct species · 6 796 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
14,3°C
Annual rain
1 289mm
Warmest m°
25,6°C
Coldest m°
4,1°C
Elevation: 29 m on average (min 4 m, max 72 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
14,3°C
Annual rain
1 289mm
Warmest month
25,6°C
Coldest month
4,1°C
Mean alt.
29m
Min
4m
Max
72m
Std. dev.
25m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(50 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,6
Org. C
49,4g/kg
Clay
19,4%
Sand
36,5%
Silt
44,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Landes
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,5
Org. C
73,9g/kg
Clay
18,3%
Sand
36,8%
Silt
44,9%
5–15 cm
pH H₂O
5,7
Org. C
43,4g/kg
Clay
19,2%
Sand
37,2%
Silt
43,6%
15–30 cm
pH H₂O
5,6
Org. C
31,1g/kg
Clay
20,6%
Sand
35,6%
Silt
43,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest39.3%
Crops29.0%
Built-up0.5%
Bare soil1.1%
Other (grassland, water…)30.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 2 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
0,7km
Lake surface here
0,29km²
Basins crossed
2
Max stream order
4
Max drainage
9 239km²
Discharge in basins
0,3m³/s
Mean precip.
1 050mm/an
Mean T°
12,8°C
Moisture idx
0,07
Max snow
4%
Mean runoff
740mm/an
Mean elev. (basins)
115m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Built-up
48,7%
Pesticides
46,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN Not Reported · 3🌊 Marine · 3
Barthes de l'Adour
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
122 km²
L'Adour
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
36 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.