La Garonne en Nouvelle-Aquitaine
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
67 km²
Subdivision · FRA
Marmande-Ouest
France
CfaTemperate, no dry season, hot summer(67 %)
Species observed
1 878
Observations
26 965
Area
51km²
Ecological tissue
Sample of 36 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 Marmande-Ouest : 24 espèces reliées par 128 interactions GloBI sur 6 types (connectance 20.3%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
36
Interactions affichées
128
Connectance
0.203
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
1 878 distinct species · 26 965 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
13,6°C
Annual rain
800mm
Warmest m°
26,8°C
Coldest m°
2,5°C
Elevation: 52 m on average (min 17 m, max 98 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
13,6°C
Annual rain
800mm
Warmest month
26,8°C
Coldest month
2,5°C
Mean alt.
52m
Min
17m
Max
98m
Std. dev.
25m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(67 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,9
Org. C
30,7g/kg
Clay
26,4%
Sand
37,4%
Silt
36,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Lot-et-Garonne
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,9
Org. C
53,9g/kg
Clay
25,3%
Sand
37,8%
Silt
37,0%
5–15 cm
pH H₂O
7,0
Org. C
19,8g/kg
Clay
25,8%
Sand
37,7%
Silt
36,5%
15–30 cm
pH H₂O
7,0
Org. C
18,5g/kg
Clay
28,3%
Sand
36,7%
Silt
35,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest16.5%
Crops45.9%
Built-up2.1%
Bare soil1.5%
Other (grassland, water…)33.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 1 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
14,2km
Lake surface here
0,20km²
Basins crossed
2
Max stream order
7
Max drainage
51 213km²
Discharge in basins
66,1m³/s
Mean precip.
866mm/an
Mean T°
12,5°C
Moisture idx
-0,13
Max snow
3%
Mean runoff
383mm/an
Mean elev. (basins)
74m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,7nW
Built-up
215,1%
Pesticides
45,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN IV · 2IUCN Not Reported · 1🌊 Marine · 1
Garonne Et Section Du Lot
IUCN IVBiotope Protection Order · 1993
18 km²
Frayère À Esturgeons (Garonne)
IUCN IVBiotope Protection Order · 1985
3 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
Sub-administrations4
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.