Ontologia

Commune · FRA

Violaines

France

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

Species observed

1 187

Observations

29 263

Area

10,2km²

Ecological tissue

Sample of 44 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 Violaines : 34 espèces reliées par 134 interactions GloBI sur 6 types (connectance 13.5%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
45
Interactions affichées
134
Connectance
0.135
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

1 187 distinct species · 29 263 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

29 263 obs · 1 cellules
Obs. / cellule
≥ 29 263
29 263–29 262
29 263–29 262
29 263–29 262
< 29 263

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

Climate

Mean T°

10,7°C

Annual rain

772mm

Warmest m°

22,2°C

Coldest m°

1,2°C

Elevation: 24 m on average (min 19 m, max 30 m)

Bioclimatic detailsExpert
Annual mean temp.
10,7°C
Annual rain
772mm
Warmest month
22,2°C
Coldest month
1,2°C
Mean alt.
24m
Min
19m
Max
30m
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

7,1

Org. C

25,9g/kg

Clay

26,6%

Sand

20,1%

Silt

53,2%

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

Dominant lithology: smGLiMaggregated to Pas-de-Calais

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,9
Org. C
38,4g/kg
Clay
26,2%
Sand
19,9%
Silt
53,9%
5–15 cm
pH H₂O
7,1
Org. C
19,2g/kg
Clay
28,3%
Sand
19,3%
Silt
52,5%
15–30 cm
pH H₂O
7,1
Org. C
20,1g/kg
Clay
25,5%
Sand
21,2%
Silt
53,3%

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

Land cover

Forest5.6%
Crops61.5%
Built-up3.4%
Bare soil0.9%
Other (grassland, water…)28.7%

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

Hydrology2 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

2

Max drainage

1 808km²

Discharge in basins

0,3m³/s

Mean precip.

670mm/an

Mean T°

10,2°C

Moisture idx

-0,05

Max snow

7%

Mean runoff

462mm/an

Mean elev. (basins)

32m

Watersheds crossing here

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

Human pressure

Pop. density

2hab/km²

Night light

4,8nW

Built-up

336,5%

Pesticides

48,3kg/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.