Ontologia

Commune · FRA

Justian

France

CfaTemperate, no dry season, hot summer(80 %)

Species observed

492

Observations

1 271

Area

6,5km²

Ecological tissue

Sample of 39 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 Justian : 34 espèces + 5 bulles famille, 89 interactions GloBI documentées sur 5 types (connectance 12.0%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
39
Interactions affichées
89
Connectance
0.120
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

492 distinct species · 1 271 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 271 obs · 1 cellules
Obs. / cellule
≥ 1 271
1 271–1 270
1 271–1 270
1 271–1 270
< 1 271

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

Climate

Mean T°

13,6°C

Annual rain

732mm

Warmest m°

26,6°C

Coldest m°

2,4°C

Elevation: 132 m on average (min 107 m, max 181 m)

Bioclimatic detailsExpert
Annual mean temp.
13,6°C
Annual rain
732mm
Warmest month
26,6°C
Coldest month
2,4°C
Mean alt.
132m
Min
107m
Max
181m
Std. dev.
22m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(80 %)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

34,3g/kg

Clay

28,9%

Sand

24,1%

Silt

47,0%

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

Dominant lithology: suGLiMaggregated to Gers

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,9
Org. C
62,5g/kg
Clay
28,0%
Sand
23,9%
Silt
48,2%
5–15 cm
pH H₂O
6,9
Org. C
18,5g/kg
Clay
28,0%
Sand
23,3%
Silt
48,6%
15–30 cm
pH H₂O
6,9
Org. C
22,0g/kg
Clay
30,6%
Sand
25,1%
Silt
44,3%

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

Land cover

Forest10.2%
Crops66.8%
Built-up0.4%
Bare soil2.3%
Other (grassland, water…)20.2%

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

2 882km²

Discharge in basins

0,1m³/s

Mean precip.

816mm/an

Mean T°

12,2°C

Moisture idx

-0,17

Max snow

2%

Mean runoff

317mm/an

Mean elev. (basins)

185m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Built-up

38,9%

Pesticides

46,6kg/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.