Ontologia

Commune · FRA

Pierrefitte

France

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

Species observed

299

Observations

708

Area

9,9km²

Ecological tissue

Sample of 43 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 Pierrefitte : 40 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 3 bulles famille, 90 interactions GloBI documentées sur 4 types (connectance 10.0%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
43
Interactions affichées
90
Connectance
0.100
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

299 distinct species · 708 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

711 obs · 6 cellules · 1813–2025
Obs. / cellule
≥ 390
390–389
200–389
93–199
< 93

Source : GBIF — observations agrégées par hexagones 0.02° × 0.02° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

11,3°C

Annual rain

1 384mm

Warmest m°

23,9°C

Coldest m°

1,1°C

Elevation: 381 m on average (min 348 m, max 436 m)

Bioclimatic detailsExpert
Annual mean temp.
11,3°C
Annual rain
1 384mm
Warmest month
23,9°C
Coldest month
1,1°C
Mean alt.
381m
Min
348m
Max
436m
Std. dev.
23m
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

49,9g/kg

Clay

22,5%

Sand

43,4%

Silt

34,0%

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

Dominant lithology: mtGLiMaggregated to Corrèze

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
86,8g/kg
Clay
22,4%
Sand
43,5%
Silt
34,0%
5–15 cm
pH H₂O
6,0
Org. C
38,6g/kg
Clay
22,2%
Sand
44,2%
Silt
33,5%
15–30 cm
pH H₂O
6,0
Org. C
24,3g/kg
Clay
22,9%
Sand
42,6%
Silt
34,5%

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

Land cover

Forest41.2%
Crops28.3%
Built-up0.3%
Bare soil0.1%
Other (grassland, water…)30.1%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

7,8km

Basins crossed

1

Max stream order

3

Max drainage

594km²

Discharge in basins

0,2m³/s

Mean precip.

969mm/an

Mean T°

9,7°C

Moisture idx

0,09

Max snow

7%

Mean runoff

566mm/an

Mean elev. (basins)

603m

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

25,0%

Pesticides

0,4kg/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.