Ontologia

Commune · FRA

Saint-Amand-Longpré

France

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

Species observed

626

Observations

3 522

Area

21,5km²

Ecological tissue

Sample of 30 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-Amand-Longpré : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 4 bulles famille, 48 interactions GloBI documentées sur 3 types (connectance 11.0%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
30
Interactions affichées
48
Connectance
0.110
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

626 distinct species · 3 522 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 522 obs · 1 cellules
Obs. / cellule
≥ 3 522
3 522–3 521
3 522–3 521
3 522–3 521
< 3 522

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

692mm

Warmest m°

23,9°C

Coldest m°

1,5°C

Elevation: 123 m on average (min 118 m, max 134 m)

Bioclimatic detailsExpert
Annual mean temp.
11,5°C
Annual rain
692mm
Warmest month
23,9°C
Coldest month
1,5°C
Mean alt.
123m
Min
118m
Max
134m
Std. dev.
3m
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

23,0g/kg

Clay

26,8%

Sand

19,9%

Silt

53,3%

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

Dominant lithology: scGLiMaggregated to Loir-et-Cher

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
38,6g/kg
Clay
25,5%
Sand
20,3%
Silt
54,2%
5–15 cm
pH H₂O
6,7
Org. C
16,7g/kg
Clay
27,3%
Sand
19,3%
Silt
53,3%
15–30 cm
pH H₂O
6,7
Org. C
13,5g/kg
Clay
27,7%
Sand
20,0%
Silt
52,2%

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

Land cover

Forest2.5%
Crops84.9%
Built-up1.0%
Bare soil0.3%
Other (grassland, water…)11.3%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

7,5km

Basins crossed

2

Max stream order

2

Max drainage

42 572km²

Discharge in basins

5,3m³/s

Mean precip.

672mm/an

Mean T°

11,2°C

Moisture idx

-0,22

Max snow

5%

Mean runoff

203mm/an

Mean elev. (basins)

108m

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

0,2nW

Built-up

96,0%

Pesticides

44,4kg/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.