Réseau hydrographique des affluents de la Midouze
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
49 km²
Subdivision · FRA
Tartas-Est
France
CfaTemperate, no dry season, hot summer(100 %)
Species observed
1 448
Observations
20 292
Area
137,7km²
Ecological tissue
Sample of 40 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-Est : 29 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 105 interactions GloBI sur 5 types (connectance 13.5%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
40
Interactions affichées
105
Connectance
0.135
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
1 448 distinct species · 20 292 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
14,0°C
Annual rain
1 068mm
Warmest m°
27,0°C
Coldest m°
2,8°C
Elevation: 49 m on average (min 11 m, max 81 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
14,0°C
Annual rain
1 068mm
Warmest month
27,0°C
Coldest month
2,8°C
Mean alt.
49m
Min
11m
Max
81m
Std. dev.
19m
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
5,8
Org. C
38,3g/kg
Clay
16,8%
Sand
49,5%
Silt
33,7%
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
68,4g/kg
Clay
17,0%
Sand
50,0%
Silt
33,0%
5–15 cm
pH H₂O
5,8
Org. C
26,8g/kg
Clay
16,2%
Sand
50,6%
Silt
33,2%
15–30 cm
pH H₂O
5,8
Org. C
19,8g/kg
Clay
17,1%
Sand
48,1%
Silt
34,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest26.6%
Crops42.8%
Built-up0.5%
Bare soil1.3%
Other (grassland, water…)28.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology6 basins · 1 lakes · 10 rivers
Hydrology metrics for this exact territory
Stream length here
51,6km
Lake surface here
0,00km²
Basins crossed
6
Max stream order
4
Max drainage
7 828km²
Discharge in basins
53,7m³/s
Mean precip.
1 049mm/an
Mean T°
12,8°C
Moisture idx
0,06
Max snow
8%
Mean runoff
617mm/an
Mean elev. (basins)
65m
Watersheds crossing here
- Bassin de Moulin de Bordessub-area100,9 km²overlap58.95 km²43%
- Bassin de la Midouzesub-area279,7 km²overlap33.48 km²24%
- Bassin du Bahussub-area620,6 km²overlap25.27 km²18%
- Bassin de la Midouzesub-area226 km²overlap19.62 km²14%
- Bassin du Loutssub-area718,8 km²overlap0.28 km²0%
- Bassin du Gabassub-area430,9 km²overlap0.07 km²0%
Lakes (1, top by area)
Rivers / streams (10, ord ≥ 4)
- Moulin de Bordesord 4len here12.40 km84%total15 km
- Ruisseau du Moulin de Barrisord 4len here6.94 km66%total11 km
- La Midouzeord 4len here6.80 km12%total56 km
- L'Adourord 6len here6.17 km3%total201 km
- Marreinord 1len here5.92 km73%total8 km
- Ruisseau du Grauchéord 1len here4.17 km100%total4 km
- Ruisseau de Gouardeord 1len here2.98 km100%total3 km
- Ruisseau de Batanèsord 4len here2.94 km37%total8 km
- Ruisseau de Lesgouretord 1len here2.65 km100%total3 km
- Le Gabasord 3len here0.64 km1%total84 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
54,1%
Pesticides
47,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2🌊 Marine · 1
L'Adour
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
36 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
Sub-administrations6
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.