Vallées de la Saye et du Meudon
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
14 km²
Commune · FRA
Cavignac
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
843
Observations
6 115
Area
6,8km²
Ecological tissue
Sample of 41 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 Cavignac : 35 espèces + 6 bulles famille, 94 interactions GloBI documentées sur 5 types (connectance 11.5%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
41
Interactions affichées
94
Connectance
0.115
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
843 distinct species · 6 115 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
13,4°C
Annual rain
896mm
Warmest m°
25,8°C
Coldest m°
3,0°C
Elevation: 51 m on average (min 39 m, max 63 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
13,4°C
Annual rain
896mm
Warmest month
25,8°C
Coldest month
3,0°C
Mean alt.
51m
Min
39m
Max
63m
Std. dev.
10m
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
6,4
Org. C
35,3g/kg
Clay
22,5%
Sand
46,1%
Silt
31,4%
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
6,4
Org. C
61,6g/kg
Clay
22,0%
Sand
46,9%
Silt
31,0%
5–15 cm
pH H₂O
6,4
Org. C
24,9g/kg
Clay
22,5%
Sand
46,2%
Silt
31,3%
15–30 cm
pH H₂O
6,4
Org. C
19,5g/kg
Clay
23,1%
Sand
45,2%
Silt
31,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest29.7%
Crops20.9%
Built-up4.0%
Bare soil1.0%
Other (grassland, water…)44.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
1,2km
Basins crossed
2
Max stream order
3
Max drainage
23 784km²
Discharge in basins
1,1m³/s
Mean precip.
901mm/an
Mean T°
12,4°C
Moisture idx
-0,05
Max snow
4%
Mean runoff
519mm/an
Mean elev. (basins)
56m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
3,1nW
Built-up
400,2%
Pesticides
43,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 1IUCN IV · 1
lac vert
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.