Ontologia

Commune · FRA

Voissant

France

CfbTemperate, no dry season, warm summer(63 %)

Species observed

1 640

Observations

31 025

Area

4,2km²

Ecological tissue

Sample of 33 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 Voissant : 29 espèces reliées par 92 interactions GloBI sur 5 types (connectance 16.4%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
92
Connectance
0.164
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

1 640 distinct species · 31 025 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

31 025 obs · 2 cellules
Obs. / cellule
≥ 21 184
21 184–21 183
21 184–21 183
21 184–21 183
< 21 184

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

Climate

Mean T°

11,2°C

Annual rain

1 454mm

Warmest m°

24,9°C

Coldest m°

-3,0°C

Elevation: 447 m on average (min 323 m, max 739 m)

Bioclimatic detailsExpert
Annual mean temp.
11,2°C
Annual rain
1 454mm
Warmest month
24,9°C
Coldest month
-3,0°C
Mean alt.
447m
Min
323m
Max
739m
Std. dev.
115m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(63 %)Temperate

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

Soil & lithology

pH H₂O

6,4

Org. C

41,7g/kg

Clay

28,4%

Sand

31,8%

Silt

39,9%

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
6,3
Org. C
69,4g/kg
Clay
25,4%
Sand
33,2%
Silt
41,4%
5–15 cm
pH H₂O
6,4
Org. C
33,5g/kg
Clay
26,4%
Sand
32,8%
Silt
40,9%
15–30 cm
pH H₂O
6,5
Org. C
22,2g/kg
Clay
33,3%
Sand
29,3%
Silt
37,5%

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

Land cover

Forest58.8%
Crops18.1%
Built-up0.9%
Bare soil0.9%
Other (grassland, water…)21.3%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

3,3km

Basins crossed

1

Max stream order

4

Max drainage

615km²

Discharge in basins

0,1m³/s

Mean precip.

1 050mm/an

Mean T°

8,6°C

Moisture idx

0,18

Max snow

18%

Mean runoff

579mm/an

Mean elev. (basins)

779m

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

89,7%

Pesticides

7,8kg/km²

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

Protected areas1

IUCN V · 1

Chartreuse

IUCN V

Regional Nature Park · 1995

861 km²

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.