Ontologia

Commune · FRA

Dun

France

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

Species observed

1 493

Observations

7 232

Area

41,6km²

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 Dun : 28 espèces + 4 bulles famille, 54 interactions GloBI documentées sur 5 types (connectance 10.9%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
32
Interactions affichées
54
Connectance
0.109
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

1 493 distinct species · 7 232 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

7 232 obs · 1 cellules
Obs. / cellule
≥ 7 232
7 232–7 231
7 232–7 231
7 232–7 231
< 7 232

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

Climate

Mean T°

12,4°C

Annual rain

1 011mm

Warmest m°

24,7°C

Coldest m°

1,1°C

Elevation: 417 m on average (min 343 m, max 545 m)

Bioclimatic detailsExpert
Annual mean temp.
12,4°C
Annual rain
1 011mm
Warmest month
24,7°C
Coldest month
1,1°C
Mean alt.
417m
Min
343m
Max
545m
Std. dev.
51m
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

6,4

Org. C

38,8g/kg

Clay

28,5%

Sand

27,7%

Silt

43,8%

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

Dominant lithology: scGLiMaggregated to Ariège

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
68,7g/kg
Clay
27,2%
Sand
28,2%
Silt
44,6%
5–15 cm
pH H₂O
6,5
Org. C
27,3g/kg
Clay
27,7%
Sand
27,9%
Silt
44,4%
15–30 cm
pH H₂O
6,5
Org. C
20,3g/kg
Clay
30,5%
Sand
27,1%
Silt
42,4%

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

Land cover

Forest49.9%
Crops22.1%
Built-up0.2%
Bare soil0.7%
Other (grassland, water…)27.1%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

14,9km

Basins crossed

1

Max stream order

2

Max drainage

1 390km²

Discharge in basins

0,4m³/s

Mean precip.

819mm/an

Mean T°

11,6°C

Moisture idx

-0,10

Max snow

6%

Mean runoff

358mm/an

Mean elev. (basins)

531m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

23,2%

Pesticides

45,6kg/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.