Loire-Anjou-Touraine
IUCN VRegional Nature Park · 1996
2 788 km²
Commune · FRA
Richelieu
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 599
Observations
28 374
Area
5,2km²
Ecological tissue
Sample of 38 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 Richelieu : 27 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 129 interactions GloBI sur 5 types (connectance 18.3%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
38
Interactions affichées
129
Connectance
0.183
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 599 distinct species · 28 374 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,1°C
Annual rain
657mm
Warmest m°
24,7°C
Coldest m°
2,1°C
Elevation: 60 m on average (min 53 m, max 65 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,1°C
Annual rain
657mm
Warmest month
24,7°C
Coldest month
2,1°C
Mean alt.
60m
Min
53m
Max
65m
Std. dev.
4m
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
19,6g/kg
Clay
25,8%
Sand
41,1%
Silt
33,1%
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
6,6
Org. C
30,0g/kg
Clay
24,1%
Sand
42,6%
Silt
33,3%
5–15 cm
pH H₂O
6,8
Org. C
15,8g/kg
Clay
27,2%
Sand
40,6%
Silt
32,3%
15–30 cm
pH H₂O
6,8
Org. C
12,9g/kg
Clay
26,3%
Sand
40,1%
Silt
33,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest6.6%
Crops50.6%
Built-up4.2%
Bare soil0.6%
Other (grassland, water…)37.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
2,4km
Basins crossed
1
Max stream order
3
Max drainage
21 028km²
Discharge in basins
0,8m³/s
Mean precip.
693mm/an
Mean T°
11,5°C
Moisture idx
-0,21
Max snow
5%
Mean runoff
211mm/an
Mean elev. (basins)
82m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
0,7nW
Built-up
414,5%
Pesticides
43,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN V · 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.