Vallée de la Dronne de Brantôme à sa confluence avec l'Isle
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
58 km²
Commune · FRA
Médillac
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 404
Observations
9 525
Area
5,7km²
Ecological tissue
Sample of 50 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 Médillac : 35 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 169 interactions GloBI sur 6 types (connectance 12.7%, filtre Serrano α=0.2). 17 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
52
Interactions affichées
169
Connectance
0.128
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
1 404 distinct species · 9 525 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
13,2°C
Annual rain
838mm
Warmest m°
26,1°C
Coldest m°
2,6°C
Elevation: 52 m on average (min 34 m, max 85 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
13,2°C
Annual rain
838mm
Warmest month
26,1°C
Coldest month
2,6°C
Mean alt.
52m
Min
34m
Max
85m
Std. dev.
16m
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
6,5
Org. C
35,2g/kg
Clay
26,9%
Sand
35,5%
Silt
37,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Charente
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,4
Org. C
59,2g/kg
Clay
25,6%
Sand
35,3%
Silt
39,2%
5–15 cm
pH H₂O
6,5
Org. C
27,6g/kg
Clay
26,5%
Sand
36,1%
Silt
37,4%
15–30 cm
pH H₂O
6,5
Org. C
18,8g/kg
Clay
28,5%
Sand
35,1%
Silt
36,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest48.2%
Crops21.2%
Built-up0.7%
Bare soil0.3%
Other (grassland, water…)29.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
5,3km
Basins crossed
1
Max stream order
4
Max drainage
2 790km²
Discharge in basins
0,1m³/s
Mean precip.
911mm/an
Mean T°
11,9°C
Moisture idx
-0,04
Max snow
2%
Mean runoff
517mm/an
Mean elev. (basins)
147m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
65,6%
Pesticides
42,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2
Vallée de la Tude
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2006
16 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.