Barthes de l'Adour
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
122 km²
Subdivision · FRA
Tartas-Ouest
France
CfaTemperate, no dry season, hot summer(52 %)
Species observed
3 953
Observations
101 992
Area
431,5km²
Ecological tissue
Sample of 41 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 Tartas-Ouest : 29 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 109 interactions GloBI sur 5 types (connectance 13.3%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
41
Interactions affichées
109
Connectance
0.133
Patrimoniales
3
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
3 953 distinct species · 101 992 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
14,1°C
Annual rain
1 090mm
Warmest m°
26,9°C
Coldest m°
3,0°C
Elevation: 56 m on average (min 8 m, max 92 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
14,1°C
Annual rain
1 090mm
Warmest month
26,9°C
Coldest month
3,0°C
Mean alt.
56m
Min
8m
Max
92m
Std. dev.
21m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(52 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,8
Org. C
42,4g/kg
Clay
17,5%
Sand
47,9%
Silt
34,6%
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
5,7
Org. C
72,5g/kg
Clay
17,3%
Sand
48,6%
Silt
34,1%
5–15 cm
pH H₂O
5,8
Org. C
31,3g/kg
Clay
17,3%
Sand
48,8%
Silt
33,9%
15–30 cm
pH H₂O
5,8
Org. C
23,3g/kg
Clay
18,0%
Sand
46,3%
Silt
35,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest41.4%
Crops22.6%
Built-up0.4%
Bare soil1.9%
Other (grassland, water…)33.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology5 basins · 4 lakes · 17 rivers
Hydrology metrics for this exact territory
Stream length here
123,3km
Lake surface here
0,52km²
Basins crossed
5
Max stream order
5
Max drainage
7 828km²
Discharge in basins
71,0m³/s
Mean precip.
1 118mm/an
Mean T°
12,9°C
Moisture idx
0,14
Max snow
10%
Mean runoff
661mm/an
Mean elev. (basins)
68m
Watersheds crossing here
Lakes (4, top by area)
Rivers / streams (17, ord ≥ 4)
- La Midouzeord 4len here22.27 km40%total56 km
- Le Retjonsord 2len here15.69 km76%total21 km
- Le Bèsord 4len here11.12 km37%total30 km
- Le Luzouord 2len here10.56 km100%total11 km
- Ruisseau de Martinetord 5len here9.32 km78%total12 km
- Ruisseau d'Herrèsord 2len here9.20 km100%total9 km
- Ruisseau du Goua de Hourcqord 2len here8.59 km100%total9 km
- Le déversoir des Barthesord 5len here6.44 km92%total7 km
- Ruisseau de Lacomèreord 1len here5.59 km100%total6 km
- Le Suzanord 3len here5.42 km100%total5 km
- Ruisseau de Jeanchouaouord 1len here4.74 km100%total5 km
- Le Larquierord 2len here4.49 km100%total4 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,4nW
Built-up
39,9%
Pesticides
34,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas5
IUCN Not Reported · 4IUCN IV · 1🌊 Marine · 2
Réseau hydrographique des affluents de la Midouze
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
49 km²
L'Adour
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
36 km²
Arjuzanx
IUCN IVNational Nature Reserve · 2022
22 km²
Site d'Arjuzanx
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2019
21 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
Sub-administrations10
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.