Barthes de l'Adour
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
122 km²
Commune · FRA
Seyresse
France
CfaTemperate, no dry season, hot summer(100 %)
Species observed
1 340
Observations
12 231
Area
2,1km²
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 Seyresse : 36 espèces + 6 bulles famille, 96 interactions GloBI documentées sur 5 types (connectance 11.1%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
42
Interactions affichées
96
Connectance
0.112
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
1 340 distinct species · 12 231 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
14,3°C
Annual rain
1 216mm
Warmest m°
26,1°C
Coldest m°
3,8°C
Elevation: 19 m on average (min 11 m, max 26 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
14,3°C
Annual rain
1 216mm
Warmest month
26,1°C
Coldest month
3,8°C
Mean alt.
19m
Min
11m
Max
26m
Std. dev.
8m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, 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
5,3
Org. C
46,3g/kg
Clay
19,4%
Sand
42,4%
Silt
38,1%
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
5,1
Org. C
81,8g/kg
Clay
19,0%
Sand
42,7%
Silt
38,3%
5–15 cm
pH H₂O
5,3
Org. C
35,7g/kg
Clay
18,9%
Sand
43,7%
Silt
37,4%
15–30 cm
pH H₂O
5,3
Org. C
21,4g/kg
Clay
20,4%
Sand
40,9%
Silt
38,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest31.3%
Crops17.3%
Built-up5.0%
Bare soil0.9%
Other (grassland, water…)45.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
1,8km
Basins crossed
1
Max stream order
4
Max drainage
1 213km²
Discharge in basins
0,0m³/s
Mean precip.
1 026mm/an
Mean T°
12,7°C
Moisture idx
0,05
Max snow
2%
Mean runoff
728mm/an
Mean elev. (basins)
124m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
3hab/km²
Night light
3,4nW
Built-up
500,7%
Pesticides
46,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1🌊 Marine · 1
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.