Ontologia

Commune · FRA

Melles

France

CfbTemperate, no dry season, warm summer(43 %)

Species observed

1 573

Observations

34 729

Area

45,9km²

Ecological tissue

Sample of 37 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 Melles : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 3 bulles famille, 70 interactions GloBI documentées sur 4 types (connectance 10.5%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
37
Interactions affichées
70
Connectance
0.105
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

1 573 distinct species · 34 729 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

34 737 obs · 2 cellules
Obs. / cellule
≥ 25 727
25 727–25 726
25 727–25 726
25 727–25 726
< 25 727

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

Climate

Mean T°

6,4°C

Annual rain

1 292mm

Warmest m°

18,8°C

Coldest m°

-5,3°C

Elevation: 1 457 m on average (min 870 m, max 2 276 m)

Bioclimatic detailsExpert
Annual mean temp.
6,4°C
Annual rain
1 292mm
Warmest month
18,8°C
Coldest month
-5,3°C
Mean alt.
1 457m
Min
870m
Max
2 276m
Std. dev.
330m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(43 %)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

80,5g/kg

Clay

29,1%

Sand

28,9%

Silt

42,0%

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

Dominant lithology: suGLiMaggregated to Haute-Garonne

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
117,5g/kg
Clay
27,8%
Sand
29,5%
Silt
42,6%
5–15 cm
pH H₂O
6,0
Org. C
73,9g/kg
Clay
28,0%
Sand
29,2%
Silt
42,8%
15–30 cm
pH H₂O
6,1
Org. C
49,9g/kg
Clay
31,4%
Sand
27,9%
Silt
40,7%

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

Land cover

Forest55.6%
Crops0.3%
Built-up0.0%
Bare soil3.5%
Other (grassland, water…)40.5%

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

Hydrology3 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

6,9km

Basins crossed

3

Max stream order

1

Max drainage

1 576km²

Discharge in basins

0,7m³/s

Mean precip.

1 141mm/an

Mean T°

6,3°C

Moisture idx

0,32

Max snow

34%

Mean runoff

408mm/an

Mean elev. (basins)

1 475m

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

0,1nW

Built-up

3,6%

Pesticides

5,6kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas8

IUCN Not Reported · 6IUCN V · 2

Baish Aran

IUCN Not Reported

Special Protection Area (Birds Directive) · 2001

124 km²

Baish Aran

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2013

124 km²

Complete list

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

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.