Ontologia

Commune · FRA

Variscourt

France

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

Species observed

1 893

Observations

8 986

Area

5,5km²

Ecological tissue

Sample of 49 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 Variscourt : 38 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 142 interactions GloBI sur 5 types (connectance 12.1%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
49
Interactions affichées
142
Connectance
0.121
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

1 893 distinct species · 8 986 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

8 986 obs · 2 cellules
Obs. / cellule
≥ 4 902
4 902–4 901
4 902–4 901
4 902–4 901
< 4 902

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

Climate

Mean T°

10,8°C

Annual rain

699mm

Warmest m°

23,3°C

Coldest m°

0,6°C

Elevation: 62 m on average (min 58 m, max 68 m)

Bioclimatic detailsExpert
Annual mean temp.
10,8°C
Annual rain
699mm
Warmest month
23,3°C
Coldest month
0,6°C
Mean alt.
62m
Min
58m
Max
68m
Std. dev.
4m
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

7,3

Org. C

22,2g/kg

Clay

25,6%

Sand

30,8%

Silt

43,6%

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

Dominant lithology: smGLiMaggregated to Aisne

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,1
Org. C
36,4g/kg
Clay
24,6%
Sand
31,5%
Silt
43,8%
5–15 cm
pH H₂O
7,5
Org. C
16,2g/kg
Clay
24,0%
Sand
31,6%
Silt
44,4%
15–30 cm
pH H₂O
7,5
Org. C
14,1g/kg
Clay
28,1%
Sand
29,2%
Silt
42,7%

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

Land cover

Forest9.1%
Crops70.7%
Built-up0.9%
Bare soil2.3%
Other (grassland, water…)17.0%

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

Hydrology2 basins · 1 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

4,2km

Lake surface here

0,26km²

Basins crossed

2

Max stream order

4

Max drainage

4 208km²

Discharge in basins

2,0m³/s

Mean precip.

678mm/an

Mean T°

10,0°C

Moisture idx

-0,17

Max snow

5%

Mean runoff

229mm/an

Mean elev. (basins)

106m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

1,1nW

Built-up

89,1%

Pesticides

47,0kg/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.