Ontologia

Commune · FRA

Nazelles-Négron

France

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

Species observed

2 274

Observations

31 828

Area

21,3km²

Ecological tissue

Sample of 33 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 Nazelles-Négron : 25 espèces + 8 bulles famille, 97 interactions GloBI documentées sur 4 types (connectance 18.4%, filtre Serrano α=0.2). Les 8 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
33
Interactions affichées
97
Connectance
0.184
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

2 274 distinct species · 31 828 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

31 828 obs · 1 cellules
Obs. / cellule
≥ 31 828
31 828–31 827
31 828–31 827
31 828–31 827
< 31 828

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

Climate

Mean T°

11,9°C

Annual rain

715mm

Warmest m°

24,4°C

Coldest m°

1,8°C

Elevation: 78 m on average (min 52 m, max 108 m)

Bioclimatic detailsExpert
Annual mean temp.
11,9°C
Annual rain
715mm
Warmest month
24,4°C
Coldest month
1,8°C
Mean alt.
78m
Min
52m
Max
108m
Std. dev.
21m
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

6,6

Org. C

28,9g/kg

Clay

25,5%

Sand

31,9%

Silt

42,6%

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

Dominant lithology: scGLiMaggregated to Indre-et-Loire

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
52,1g/kg
Clay
24,5%
Sand
32,9%
Silt
42,6%
5–15 cm
pH H₂O
6,8
Org. C
18,8g/kg
Clay
25,8%
Sand
32,1%
Silt
42,1%
15–30 cm
pH H₂O
6,8
Org. C
15,8g/kg
Clay
26,1%
Sand
30,8%
Silt
43,1%

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

Land cover

Forest17.9%
Crops46.6%
Built-up2.5%
Bare soil0.8%
Other (grassland, water…)32.2%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

5,2km

Basins crossed

1

Max stream order

6

Max drainage

42 572km²

Discharge in basins

5,4m³/s

Mean precip.

673mm/an

Mean T°

11,2°C

Moisture idx

-0,22

Max snow

4%

Mean runoff

203mm/an

Mean elev. (basins)

107m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,6nW

Built-up

252,3%

Pesticides

46,4kg/km²

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

Protected areas2

IUCN Not Reported · 2

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.