Ontologia

Commune · FRA

Miélan

France

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

Species observed

1 193

Observations

6 646

Area

22,8km²

Ecological tissue

Sample of 40 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 Miélan : 36 espèces + 4 bulles famille, 90 interactions GloBI documentées sur 5 types (connectance 11.5%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
40
Interactions affichées
90
Connectance
0.115
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

1 193 distinct species · 6 646 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 646 obs · 1 cellules
Obs. / cellule
≥ 6 646
6 646–6 645
6 646–6 645
6 646–6 645
< 6 646

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

Climate

Mean T°

13,1°C

Annual rain

907mm

Warmest m°

25,5°C

Coldest m°

1,8°C

Elevation: 246 m on average (min 215 m, max 289 m)

Bioclimatic detailsExpert
Annual mean temp.
13,1°C
Annual rain
907mm
Warmest month
25,5°C
Coldest month
1,8°C
Mean alt.
246m
Min
215m
Max
289m
Std. dev.
20m
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

6,0

Org. C

42,0g/kg

Clay

28,9%

Sand

23,1%

Silt

48,0%

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
5,9
Org. C
80,6g/kg
Clay
28,3%
Sand
23,0%
Silt
48,7%
5–15 cm
pH H₂O
6,0
Org. C
21,4g/kg
Clay
28,9%
Sand
22,5%
Silt
48,7%
15–30 cm
pH H₂O
6,0
Org. C
24,0g/kg
Clay
29,5%
Sand
23,8%
Silt
46,8%

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

Land cover

Forest25.5%
Crops40.6%
Built-up0.8%
Bare soil1.2%
Other (grassland, water…)31.9%

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

Hydrology2 basins · 1 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

11,0km

Lake surface here

0,56km²

Basins crossed

2

Max stream order

2

Max drainage

2 882km²

Discharge in basins

0,3m³/s

Mean precip.

825mm/an

Mean T°

11,9°C

Moisture idx

-0,15

Max snow

3%

Mean runoff

381mm/an

Mean elev. (basins)

257m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

77,2%

Pesticides

47,0kg/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.