Ontologia

Department · FRA

Indre-et-Loire

France

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

Species observed

11 083

Observations

2 424 579

Area

6 159,8km²

Ecological tissue

Sample of 37 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 Indre-et-Loire : 33 espèces + 4 bulles famille, 64 interactions GloBI documentées sur 7 types (connectance 9.6%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
37
Interactions affichées
64
Connectance
0.096
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

11 083 distinct species · 2 424 579 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 425 531 obs · 184 cellules
Obs. / cellule
≥ 66 512
25 018–66 511
15 027–25 017
10 182–15 026
< 10 182

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

Climate

Mean T°

11,8°C

Annual rain

720mm

Warmest m°

24,3°C

Coldest m°

1,8°C

Elevation: 98 m on average (min 27 m, max 172 m)

Bioclimatic detailsExpert
Annual mean temp.
11,8°C
Annual rain
720mm
Warmest month
24,3°C
Coldest month
1,8°C
Mean alt.
98m
Min
27m
Max
172m
Std. dev.
27m
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

26,9g/kg

Clay

22,8%

Sand

35,0%

Silt

42,2%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
46,5g/kg
Clay
21,9%
Sand
35,8%
Silt
42,3%
5–15 cm
pH H₂O
6,6
Org. C
19,8g/kg
Clay
22,6%
Sand
35,2%
Silt
42,2%
15–30 cm
pH H₂O
6,6
Org. C
14,5g/kg
Clay
23,8%
Sand
34,1%
Silt
42,1%

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

Land cover

Forest21.1%
Crops56.2%
Built-up1.1%
Bare soil0.7%
Other (grassland, water…)21.0%

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

Hydrology19 basins · 22 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

1 270,3km

Lake surface here

5,64km²

Basins crossed

19

Max stream order

7

Max drainage

81 075km²

Discharge in basins

2 258,3m³/s

Mean precip.

698mm/an

Mean T°

11,3°C

Moisture idx

-0,20

Max snow

9%

Mean runoff

214mm/an

Mean elev. (basins)

109m

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

1hab/km²

Night light

0,6nW

Built-up

105,2%

Pesticides

44,8kg/km²

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

Protected areas70

IUCN IV · 49IUCN Not Reported · 18IUCN V · 2IUCN Ia · 1

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

Brenne

IUCN Not Reported

Special Protection Area (Birds Directive) · 2017

583 km²

Grande Brenne

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2010

581 km²

Complete list

+ 10 protected areas (top 60 shown)

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

Sub-administrations200

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.