Ontologia

Commune · FRA

Boisjean

France

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

Species observed

1 192

Observations

23 113

Area

12,5km²

Ecological tissue

Sample of 46 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 Boisjean : 34 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 128 interactions GloBI sur 6 types (connectance 11.3%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
48
Interactions affichées
128
Connectance
0.114
Patrimoniales
3
Plus dense que (national)0 %(top 100%)

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

Species present

1 192 distinct species · 23 113 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

23 113 obs · 1 cellules
Obs. / cellule
≥ 23 113
23 113–23 112
23 113–23 112
23 113–23 112
< 23 113

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

Climate

Mean T°

10,6°C

Annual rain

901mm

Warmest m°

21,1°C

Coldest m°

1,6°C

Elevation: 57 m on average (min 32 m, max 73 m)

Bioclimatic detailsExpert
Annual mean temp.
10,6°C
Annual rain
901mm
Warmest month
21,1°C
Coldest month
1,6°C
Mean alt.
57m
Min
32m
Max
73m
Std. dev.
7m
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

6,8

Org. C

30,1g/kg

Clay

24,5%

Sand

24,3%

Silt

51,3%

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
45,1g/kg
Clay
24,1%
Sand
24,0%
Silt
51,9%
5–15 cm
pH H₂O
6,9
Org. C
26,1g/kg
Clay
24,6%
Sand
23,6%
Silt
51,8%
15–30 cm
pH H₂O
6,9
Org. C
19,2g/kg
Clay
24,7%
Sand
25,2%
Silt
50,2%

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

Land cover

Forest6.1%
Crops73.7%
Built-up0.6%
Bare soil0.7%
Other (grassland, water…)19.0%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

2,7km

Basins crossed

2

Max stream order

1

Max drainage

1 410km²

Discharge in basins

0,2m³/s

Mean precip.

663mm/an

Mean T°

10,1°C

Moisture idx

-0,03

Max snow

8%

Mean runoff

560mm/an

Mean elev. (basins)

96m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Built-up

60,3%

Pesticides

46,7kg/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.