Ontologia

Commune · FRA

Pierre-Châtel

France

CfbTemperate, no dry season, warm summer(85 %)

Species observed

1 838

Observations

36 717

Area

12,1km²

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 Pierre-Châtel : 24 espèces + 5 bulles famille, 56 interactions GloBI documentées sur 4 types (connectance 13.8%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
29
Interactions affichées
56
Connectance
0.138
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

1 838 distinct species · 36 717 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

36 717 obs · 1 cellules
Obs. / cellule
≥ 36 717
36 717–36 716
36 717–36 716
36 717–36 716
< 36 717

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

Climate

Mean T°

8,1°C

Annual rain

1 436mm

Warmest m°

22,1°C

Coldest m°

-5,8°C

Elevation: 983 m on average (min 897 m, max 1 245 m)

Bioclimatic detailsExpert
Annual mean temp.
8,1°C
Annual rain
1 436mm
Warmest month
22,1°C
Coldest month
-5,8°C
Mean alt.
983m
Min
897m
Max
1 245m
Std. dev.
64m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(85 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

6,6

Org. C

56,6g/kg

Clay

27,7%

Sand

31,7%

Silt

40,6%

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

Dominant lithology: scGLiMaggregated to Isère

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
77,3g/kg
Clay
25,6%
Sand
32,6%
Silt
41,9%
5–15 cm
pH H₂O
6,7
Org. C
50,6g/kg
Clay
26,5%
Sand
32,5%
Silt
41,0%
15–30 cm
pH H₂O
6,7
Org. C
42,0g/kg
Clay
31,1%
Sand
30,1%
Silt
38,8%

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

Land cover

Forest23.2%
Crops36.1%
Built-up0.9%
Bare soil1.0%
Other (grassland, water…)38.8%

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

Hydrology3 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

0,2km

Lake surface here

0,60km²

Basins crossed

3

Max stream order

1

Max drainage

2 078km²

Discharge in basins

2,6m³/s

Mean precip.

1 123mm/an

Mean T°

6,5°C

Moisture idx

0,27

Max snow

39%

Mean runoff

496mm/an

Mean elev. (basins)

1 232m

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

1hab/km²

Night light

0,5nW

Built-up

91,0%

Pesticides

24,4kg/km²

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

Protected areas2

IUCN IV · 2

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.