Ontologia

Commune · FRA

Saint-Christophe-sur-le-Nais

France

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

Species observed

918

Observations

6 382

Area

18,3km²

Ecological tissue

Sample of 24 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 Saint-Christophe-sur-le-Nais : 20 espèces reliées par 29 interactions GloBI sur 4 types (connectance 10.5%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
29
Connectance
0.105
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

918 distinct species · 6 382 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 382 obs · 1 cellules
Obs. / cellule
≥ 6 382
6 382–6 381
6 382–6 381
6 382–6 381
< 6 382

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

Climate

Mean T°

11,6°C

Annual rain

716mm

Warmest m°

23,8°C

Coldest m°

1,8°C

Elevation: 94 m on average (min 73 m, max 123 m)

Bioclimatic detailsExpert
Annual mean temp.
11,6°C
Annual rain
716mm
Warmest month
23,8°C
Coldest month
1,8°C
Mean alt.
94m
Min
73m
Max
123m
Std. dev.
13m
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

23,3g/kg

Clay

21,2%

Sand

36,3%

Silt

42,5%

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
6,4
Org. C
38,2g/kg
Clay
19,7%
Sand
37,5%
Silt
42,8%
5–15 cm
pH H₂O
6,6
Org. C
17,7g/kg
Clay
20,8%
Sand
37,0%
Silt
42,2%
15–30 cm
pH H₂O
6,5
Org. C
14,0g/kg
Clay
23,1%
Sand
34,4%
Silt
42,5%

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

Land cover

Forest8.2%
Crops71.6%
Built-up0.9%
Bare soil0.6%
Other (grassland, water…)18.7%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

4,4km

Basins crossed

1

Max stream order

3

Max drainage

8 211km²

Discharge in basins

0,3m³/s

Mean precip.

684mm/an

Mean T°

11,2°C

Moisture idx

-0,21

Max snow

5%

Mean runoff

205mm/an

Mean elev. (basins)

84m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

89,8%

Pesticides

44,8kg/km²

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

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.