La Garonne en Nouvelle-Aquitaine
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
67 km²
Commune · FRA
Marmande
France
CfaTemperate, no dry season, hot summer(75 %)
Species observed
1 100
Observations
5 412
Area
45,6km²
Ecological tissue
Sample of 43 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 : 38 espèces + 5 bulles famille, 100 interactions GloBI documentées sur 5 types (connectance 11.1%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
43
Interactions affichées
100
Connectance
0.111
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
1 100 distinct species · 5 412 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
13,7°C
Annual rain
774mm
Warmest m°
26,9°C
Coldest m°
2,5°C
Elevation: 43 m on average (min 18 m, max 97 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
13,7°C
Annual rain
774mm
Warmest month
26,9°C
Coldest month
2,5°C
Mean alt.
43m
Min
18m
Max
97m
Std. dev.
26m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(75 %)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
31,0g/kg
Clay
25,9%
Sand
39,3%
Silt
34,8%
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
6,8
Org. C
54,5g/kg
Clay
24,8%
Sand
39,7%
Silt
35,4%
5–15 cm
pH H₂O
6,9
Org. C
20,8g/kg
Clay
25,2%
Sand
39,4%
Silt
35,3%
15–30 cm
pH H₂O
6,9
Org. C
17,9g/kg
Clay
27,7%
Sand
38,7%
Silt
33,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest14.5%
Crops35.4%
Built-up5.2%
Bare soil1.3%
Other (grassland, water…)43.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
9,1km
Basins crossed
3
Max stream order
7
Max drainage
51 213km²
Discharge in basins
34,4m³/s
Mean precip.
833mm/an
Mean T°
12,5°C
Moisture idx
-0,16
Max snow
7%
Mean runoff
345mm/an
Mean elev. (basins)
82m
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
1,7nW
Built-up
523,7%
Pesticides
45,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 1IUCN IV · 1🌊 Marine · 1
Garonne Et Section Du Lot
IUCN IVBiotope Protection Order · 1993
18 km²
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.