Ontologia

Region · fra

Centre-Val de Loire

France

CfbTemperate, no dry season, warm summer(100 %)

Species observed

22 106

Observations

12 196 434

Area

39 531,8km²

Ecological tissue

Sample of 44 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 Centre-Val de Loire : 40 espèces + 4 bulles famille, 101 interactions GloBI documentées sur 4 types (connectance 10.7%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
44
Interactions affichées
101
Connectance
0.107
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

22 106 distinct species · 12 196 434 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

12 196 434 obs · 1 194 cellules
Obs. / cellule
≥ 47 170
19 464–47 169
11 630–19 463
7 433–11 629
< 7 433

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

11,5°C

Annual rain

759mm

Warmest m°

24,1°C

Coldest m°

1,3°C

Elevation: 145 m on average (min 27 m, max 477 m)

Bioclimatic detailsExpert
Annual mean temp.
11,5°C
Annual rain
759mm
Warmest month
24,1°C
Coldest month
1,3°C
Mean alt.
145m
Min
27m
Max
477m
Std. dev.
53m
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

28,1g/kg

Clay

25,2%

Sand

30,6%

Silt

44,1%

Average over 0-30 cm. Per-depth details in expert panel.

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
49,3g/kg
Clay
24,1%
Sand
31,2%
Silt
44,6%
5–15 cm
pH H₂O
6,6
Org. C
20,0g/kg
Clay
24,7%
Sand
30,7%
Silt
44,6%
15–30 cm
pH H₂O
6,6
Org. C
14,9g/kg
Clay
26,8%
Sand
30,1%
Silt
43,2%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest19.6%
Crops61.5%
Built-up0.8%
Bare soil0.5%
Other (grassland, water…)17.7%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology73 basins · 50 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

4 873,7km

Lake surface here

29,30km²

Basins crossed

73

Max stream order

7

Max drainage

81 075km²

Discharge in basins

5 688,8m³/s

Mean precip.

693mm/an

Mean T°

10,9°C

Moisture idx

-0,19

Max snow

9%

Mean runoff

230mm/an

Mean elev. (basins)

149m

Watersheds crossing here

64 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (100, ord ≥ 4)

88 more river segments

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

0hab/km²

Night light

0,5nW

Built-up

79,1%

Pesticides

43,5kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas100

IUCN Not Reported · 60IUCN IV · 34IUCN V · 5IUCN Ia · 1

Sologne

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2009

3 462 km²

Perche

IUCN V

Regional Nature Park · 1998

2 014 km²

Brenne

IUCN V

Regional Nature Park · 1989

1 832 km²

La Brenne

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 1991

1 387 km²

Complete list

+ 40 protected areas (top 60 shown)

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

Sub-administrations6