Ontologia

Commune · FRA

Velzic

France

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

Species observed

1 444

Observations

24 237

Area

11,5km²

Ecological tissue

Sample of 29 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 Velzic : 27 espèces reliées par 58 interactions GloBI sur 3 types (connectance 14.3%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
58
Connectance
0.143
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

1 444 distinct species · 24 237 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

24 237 obs · 3 cellules
Obs. / cellule
≥ 14 534
14 534–14 533
14 534–14 533
7 053–14 533
< 7 053

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

Climate

Mean T°

8,6°C

Annual rain

1 903mm

Warmest m°

21,1°C

Coldest m°

-1,7°C

Elevation: 900 m on average (min 781 m, max 1 133 m)

Bioclimatic detailsExpert
Annual mean temp.
8,6°C
Annual rain
1 903mm
Warmest month
21,1°C
Coldest month
-1,7°C
Mean alt.
900m
Min
781m
Max
1 133m
Std. dev.
109m
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

5,7

Org. C

55,7g/kg

Clay

22,6%

Sand

37,9%

Silt

39,6%

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

Dominant lithology: mtGLiMaggregated to Cantal

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
87,6g/kg
Clay
22,0%
Sand
38,2%
Silt
39,8%
5–15 cm
pH H₂O
5,7
Org. C
52,2g/kg
Clay
22,9%
Sand
37,5%
Silt
39,7%
15–30 cm
pH H₂O
5,8
Org. C
27,1g/kg
Clay
22,8%
Sand
37,9%
Silt
39,3%

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

Land cover

Forest46.6%
Crops25.3%
Built-up0.4%
Bare soil0.3%
Other (grassland, water…)27.3%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

3,5km

Basins crossed

1

Max stream order

1

Max drainage

1 108km²

Discharge in basins

0,2m³/s

Mean precip.

842mm/an

Mean T°

9,8°C

Moisture idx

-0,06

Max snow

8%

Mean runoff

617mm/an

Mean elev. (basins)

690m

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

Human pressure

Pop. density

0hab/km²

Built-up

43,1%

Pesticides

1,4kg/km²

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

Protected areas2

IUCN V · 1IUCN Not Reported · 1

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.