Réseau hydrographique du Midou et du Ludon
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
65 km²
Commune · FRA
Saint-Gein
France
CfaTemperate, no dry season, hot summer(100 %)
Species observed
894
Observations
10 250
Area
17,7km²
Ecological tissue
Sample of 39 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 Saint-Gein : 28 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 104 interactions GloBI sur 5 types (connectance 14.0%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
39
Interactions affichées
104
Connectance
0.140
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
894 distinct species · 10 250 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
13,9°C
Annual rain
928mm
Warmest m°
26,8°C
Coldest m°
2,7°C
Elevation: 95 m on average (min 81 m, max 108 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
13,9°C
Annual rain
928mm
Warmest month
26,8°C
Coldest month
2,7°C
Mean alt.
95m
Min
81m
Max
108m
Std. dev.
7m
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
5,9
Org. C
33,9g/kg
Clay
20,0%
Sand
45,2%
Silt
34,8%
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
5,8
Org. C
61,8g/kg
Clay
19,9%
Sand
45,7%
Silt
34,4%
5–15 cm
pH H₂O
5,9
Org. C
22,1g/kg
Clay
19,4%
Sand
46,0%
Silt
34,6%
15–30 cm
pH H₂O
5,9
Org. C
17,9g/kg
Clay
20,6%
Sand
43,9%
Silt
35,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest22.9%
Crops49.3%
Built-up0.4%
Bare soil0.8%
Other (grassland, water…)26.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 1 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
5,5km
Lake surface here
0,19km²
Basins crossed
2
Max stream order
2
Max drainage
3 524km²
Discharge in basins
0,3m³/s
Mean precip.
898mm/an
Mean T°
12,5°C
Moisture idx
-0,10
Max snow
2%
Mean runoff
451mm/an
Mean elev. (basins)
116m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,3nW
Built-up
43,2%
Pesticides
46,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 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.