Vallée de l'Isle de Périgueux à sa confluence avec la Dordogne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
80 km²
Commune · FRA
Fronsac
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
759
Observations
2 186
Area
15,3km²
Ecological tissue
Sample of 45 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 Fronsac : 41 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 4 bulles famille, 89 interactions GloBI documentées sur 5 types (connectance 9.0%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
45
Interactions affichées
89
Connectance
0.090
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
759 distinct species · 2 186 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
13,7°C
Annual rain
824mm
Warmest m°
26,4°C
Coldest m°
3,0°C
Elevation: 16 m on average (min 2 m, max 56 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
13,7°C
Annual rain
824mm
Warmest month
26,4°C
Coldest month
3,0°C
Mean alt.
16m
Min
2m
Max
56m
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
6,7
Org. C
36,8g/kg
Clay
31,6%
Sand
33,6%
Silt
34,8%
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
6,6
Org. C
63,1g/kg
Clay
31,4%
Sand
33,4%
Silt
35,2%
5–15 cm
pH H₂O
6,7
Org. C
26,6g/kg
Clay
32,2%
Sand
33,0%
Silt
34,9%
15–30 cm
pH H₂O
6,7
Org. C
20,6g/kg
Clay
31,2%
Sand
34,5%
Silt
34,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest17.8%
Crops32.1%
Built-up1.2%
Bare soil4.1%
Other (grassland, water…)44.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology
Computing basins, lakes, rivers…
Human pressure
Pop. density
0hab/km²
Night light
1,8nW
Built-up
118,0%
Pesticides
46,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2🌊 Marine · 1
La Dordogne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2015
57 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.