Ontologia

Commune · FRA

Vieil-Hesdin

France

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

Species observed

836

Observations

5 000

Area

10,2km²

Ecological tissue

Sample of 31 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 Vieil-Hesdin : 22 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 119 interactions GloBI sur 6 types (connectance 24.0%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
119
Connectance
0.240
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

836 distinct species · 5 000 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 000 obs · 1 cellules
Obs. / cellule
≥ 5 000
5 000–4 999
5 000–4 999
5 000–4 999
< 5 000

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

Climate

Mean T°

10,4°C

Annual rain

871mm

Warmest m°

21,3°C

Coldest m°

1,2°C

Elevation: 77 m on average (min 49 m, max 105 m)

Bioclimatic detailsExpert
Annual mean temp.
10,4°C
Annual rain
871mm
Warmest month
21,3°C
Coldest month
1,2°C
Mean alt.
77m
Min
49m
Max
105m
Std. dev.
19m
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

6,9

Org. C

28,2g/kg

Clay

23,5%

Sand

16,2%

Silt

60,3%

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
6,7
Org. C
45,2g/kg
Clay
22,7%
Sand
16,2%
Silt
61,2%
5–15 cm
pH H₂O
7,0
Org. C
22,7g/kg
Clay
23,7%
Sand
15,4%
Silt
60,9%
15–30 cm
pH H₂O
6,9
Org. C
16,8g/kg
Clay
24,0%
Sand
17,2%
Silt
58,8%

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

Land cover

Forest7.6%
Crops68.9%
Built-up0.6%
Bare soil0.8%
Other (grassland, water…)22.1%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

2,9km

Basins crossed

1

Max stream order

3

Max drainage

1 410km²

Discharge in basins

0,2m³/s

Mean precip.

663mm/an

Mean T°

10,1°C

Moisture idx

-0,02

Max snow

8%

Mean runoff

567mm/an

Mean elev. (basins)

98m

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

56,6%

Pesticides

47,4kg/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.