Complexe du Changeon et de la Roumer
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
46 km²
Commune · FRA
Sonzay
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
2 091
Observations
65 057
Area
48,6km²
Ecological tissue
Sample of 28 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 Sonzay : 16 espèces reliées par 127 interactions GloBI sur 6 types (connectance 29.2%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
30
Interactions affichées
127
Connectance
0.292
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
2 091 distinct species · 65 057 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,6°C
Annual rain
751mm
Warmest m°
23,8°C
Coldest m°
1,8°C
Elevation: 114 m on average (min 94 m, max 129 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,6°C
Annual rain
751mm
Warmest month
23,8°C
Coldest month
1,8°C
Mean alt.
114m
Min
94m
Max
129m
Std. dev.
9m
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
6,3
Org. C
25,5g/kg
Clay
20,9%
Sand
31,9%
Silt
47,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Indre-et-Loire
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,2
Org. C
42,0g/kg
Clay
19,0%
Sand
33,2%
Silt
47,8%
5–15 cm
pH H₂O
6,4
Org. C
20,2g/kg
Clay
20,0%
Sand
32,3%
Silt
47,7%
15–30 cm
pH H₂O
6,3
Org. C
14,3g/kg
Clay
23,6%
Sand
30,3%
Silt
46,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest32.7%
Crops42.8%
Built-up0.5%
Bare soil0.6%
Other (grassland, water…)23.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
3,4km
Basins crossed
2
Max stream order
1
Max drainage
42 572km²
Discharge in basins
5,9m³/s
Mean precip.
679mm/an
Mean T°
11,2°C
Moisture idx
-0,21
Max snow
5%
Mean runoff
204mm/an
Mean elev. (basins)
94m
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
0,0nW
Built-up
50,6%
Pesticides
44,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
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.