La Dordogne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2015
57 km²
Commune · FRA
Bourg
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 324
Observations
9 901
Area
14,3km²
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 Bourg : 40 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 3 bulles famille, 102 interactions GloBI documentées sur 5 types (connectance 11.3%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
43
Interactions affichées
102
Connectance
0.113
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 324 distinct species · 9 901 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
13,6°C
Annual rain
873mm
Warmest m°
26,0°C
Coldest m°
3,3°C
Elevation: 17 m on average (min -0 m, max 62 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
13,6°C
Annual rain
873mm
Warmest month
26,0°C
Coldest month
3,3°C
Mean alt.
17m
Min
-0m
Max
62m
Std. dev.
13m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,6
Org. C
34,6g/kg
Clay
24,3%
Sand
39,9%
Silt
35,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Gironde
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,5
Org. C
59,0g/kg
Clay
23,4%
Sand
40,1%
Silt
36,5%
5–15 cm
pH H₂O
6,6
Org. C
25,3g/kg
Clay
23,8%
Sand
39,7%
Silt
36,5%
15–30 cm
pH H₂O
6,7
Org. C
19,7g/kg
Clay
25,8%
Sand
39,9%
Silt
34,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest16.8%
Crops27.0%
Built-up1.6%
Bare soil2.3%
Other (grassland, water…)52.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
4,5km
Basins crossed
3
Max stream order
6
Max drainage
23 784km²
Discharge in basins
1,6m³/s
Mean precip.
875mm/an
Mean T°
12,6°C
Moisture idx
-0,02
Max snow
8%
Mean runoff
525mm/an
Mean elev. (basins)
25m
Watersheds crossing here
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
2,4nW
Built-up
154,7%
Pesticides
45,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN Not Reported · 2IUCN IV · 1🌊 Marine · 1
Vallée et palus du Moron
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2020
9 km²
prairies de bourg
IUCN IVLand acquired by a regional conservatory of natural areas · 2024
0 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.