Ontologia

Commune · FRA

Le Blanc

France

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

Species observed

4 109

Observations

74 046

Area

57,5km²

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 Le Blanc : 32 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 139 interactions GloBI sur 5 types (connectance 14.0%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
45
Interactions affichées
139
Connectance
0.140
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

4 109 distinct species · 74 046 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

74 046 obs · 6 cellules
Obs. / cellule
≥ 24 868
24 868–24 867
17 688–24 867
17 453–17 687
< 17 453

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

Climate

Mean T°

12,2°C

Annual rain

789mm

Warmest m°

25,0°C

Coldest m°

2,0°C

Elevation: 111 m on average (min 95 m, max 129 m)

Bioclimatic detailsExpert
Annual mean temp.
12,2°C
Annual rain
789mm
Warmest month
25,0°C
Coldest month
2,0°C
Mean alt.
111m
Min
95m
Max
129m
Std. dev.
8m
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

25,7g/kg

Clay

20,4%

Sand

40,0%

Silt

39,6%

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

Dominant lithology: scGLiMaggregated to Indre

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
45,6g/kg
Clay
20,7%
Sand
40,9%
Silt
38,4%
5–15 cm
pH H₂O
6,6
Org. C
17,7g/kg
Clay
19,2%
Sand
40,1%
Silt
40,6%
15–30 cm
pH H₂O
6,6
Org. C
13,8g/kg
Clay
21,3%
Sand
38,9%
Silt
39,7%

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

Land cover

Forest14.7%
Crops55.3%
Built-up1.5%
Bare soil0.8%
Other (grassland, water…)27.6%

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

Hydrology2 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

10,0km

Basins crossed

2

Max stream order

4

Max drainage

3 905km²

Discharge in basins

2,8m³/s

Mean precip.

773mm/an

Mean T°

11,4°C

Moisture idx

-0,13

Max snow

4%

Mean runoff

253mm/an

Mean elev. (basins)

132m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,4nW

Built-up

153,1%

Pesticides

45,7kg/km²

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

Protected areas5

IUCN Not Reported · 4IUCN V · 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

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.