Ontologia

Subdivision · FRA

Bar-le-Duc-Nord

France

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

Species observed

975

Observations

4 179

Area

34,4km²

Ecological tissue

Sample of 32 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 Bar-le-Duc-Nord : 20 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 124 interactions GloBI sur 6 types (connectance 22.1%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
124
Connectance
0.221
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

975 distinct species · 4 179 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 179 obs · 1 cellules
Obs. / cellule
≥ 4 179
4 179–4 178
4 179–4 178
4 179–4 178
< 4 179

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

Climate

Mean T°

10,2°C

Annual rain

1 073mm

Warmest m°

22,9°C

Coldest m°

-0,3°C

Elevation: 243 m on average (min 193 m, max 322 m)

Bioclimatic detailsExpert
Annual mean temp.
10,2°C
Annual rain
1 073mm
Warmest month
22,9°C
Coldest month
-0,3°C
Mean alt.
243m
Min
193m
Max
322m
Std. dev.
37m
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

29,0g/kg

Clay

31,2%

Sand

15,4%

Silt

53,4%

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

Dominant lithology: scGLiMaggregated to Meuse

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
45,9g/kg
Clay
29,6%
Sand
16,1%
Silt
54,2%
5–15 cm
pH H₂O
6,8
Org. C
25,4g/kg
Clay
30,8%
Sand
14,9%
Silt
54,3%
15–30 cm
pH H₂O
6,8
Org. C
15,6g/kg
Clay
33,2%
Sand
15,0%
Silt
51,7%

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

Land cover

Forest22.9%
Crops52.4%
Built-up1.2%
Bare soil0.4%
Other (grassland, water…)23.0%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

5,7km

Basins crossed

1

Max stream order

3

Max drainage

2 135km²

Discharge in basins

0,3m³/s

Mean precip.

727mm/an

Mean T°

9,4°C

Moisture idx

-0,08

Max snow

6%

Mean runoff

301mm/an

Mean elev. (basins)

260m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

1hab/km²

Night light

0,5nW

Built-up

119,2%

Pesticides

47,3kg/km²

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

Sub-administrations2

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.