Ontologia

Commune · FRA

Vraignes-lès-Hornoy

France

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

Species observed

526

Observations

3 389

Area

6km²

Ecological tissue

Sample of 40 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 Vraignes-lès-Hornoy : 26 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 107 interactions GloBI sur 4 types (connectance 13.7%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
107
Connectance
0.137
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Species present

526 distinct species · 3 389 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 389 obs · 1 cellules
Obs. / cellule
≥ 3 389
3 389–3 388
3 389–3 388
3 389–3 388
< 3 389

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

Climate

Mean T°

10,1°C

Annual rain

795mm

Warmest m°

21,4°C

Coldest m°

0,8°C

Elevation: 169 m on average (min 165 m, max 179 m)

Bioclimatic detailsExpert
Annual mean temp.
10,1°C
Annual rain
795mm
Warmest month
21,4°C
Coldest month
0,8°C
Mean alt.
169m
Min
165m
Max
179m
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

6,7

Org. C

25,7g/kg

Clay

24,1%

Sand

11,2%

Silt

64,6%

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

Dominant lithology: smGLiMaggregated to Somme

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
42,1g/kg
Clay
22,9%
Sand
11,2%
Silt
65,8%
5–15 cm
pH H₂O
6,8
Org. C
18,8g/kg
Clay
25,0%
Sand
10,6%
Silt
64,4%
15–30 cm
pH H₂O
6,7
Org. C
16,2g/kg
Clay
24,5%
Sand
12,0%
Silt
63,7%

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

Land cover

Forest11.4%
Crops71.5%
Built-up0.3%
Bare soil0.4%
Other (grassland, water…)16.3%

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

4 883km²

Discharge in basins

0,1m³/s

Mean precip.

690mm/an

Mean T°

9,9°C

Moisture idx

-0,06

Max snow

8%

Mean runoff

542mm/an

Mean elev. (basins)

150m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

29,0%

Pesticides

47,1kg/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.