Ontologia

Commune · FRA

Gerzat

France

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

Species observed

1 568

Observations

18 720

Area

16,4km²

Ecological tissue

Sample of 30 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 Gerzat : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 7 bulles famille, 79 interactions GloBI documentées sur 5 types (connectance 18.2%, filtre Serrano α=0.2). Les 7 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
30
Interactions affichées
79
Connectance
0.182
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

1 568 distinct species · 18 720 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

11 048 obs · 1 cellules
Obs. / cellule
≥ 11 048
11 048–11 047
11 048–11 047
11 048–11 047
< 11 048

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

Climate

Mean T°

11,5°C

Annual rain

844mm

Warmest m°

24,9°C

Coldest m°

0,0°C

Elevation: 325 m on average (min 319 m, max 340 m)

Bioclimatic detailsExpert
Annual mean temp.
11,5°C
Annual rain
844mm
Warmest month
24,9°C
Coldest month
0,0°C
Mean alt.
325m
Min
319m
Max
340m
Std. dev.
5m
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

7,1

Org. C

29,8g/kg

Clay

32,3%

Sand

36,4%

Silt

31,4%

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

Dominant lithology: vbGLiMaggregated to Puy-de-Dôme

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,1
Org. C
46,6g/kg
Clay
30,9%
Sand
37,9%
Silt
31,2%
5–15 cm
pH H₂O
7,1
Org. C
25,4g/kg
Clay
31,7%
Sand
36,7%
Silt
31,7%
15–30 cm
pH H₂O
7,1
Org. C
17,4g/kg
Clay
34,2%
Sand
34,5%
Silt
31,2%

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

Land cover

Forest5.9%
Crops46.1%
Built-up6.5%
Bare soil0.8%
Other (grassland, water…)40.8%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

10,2km

Basins crossed

1

Max stream order

2

Max drainage

903km²

Discharge in basins

0,1m³/s

Mean precip.

703mm/an

Mean T°

9,9°C

Moisture idx

-0,20

Max snow

5%

Mean runoff

294mm/an

Mean elev. (basins)

508m

Watersheds crossing here

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

Human pressure

Pop. density

4hab/km²

Night light

10,3nW

Built-up

647,0%

Pesticides

45,0kg/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.