Ontologia

Commune · FRA

Cheyssieu

France

CfaTemperate, no dry season, hot summer(100 %)

Species observed

1 825

Observations

60 150

Area

8,2km²

Ecological tissue

Sample of 31 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 Cheyssieu : 23 espèces reliées par 101 interactions GloBI sur 4 types (connectance 21.7%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
101
Connectance
0.217
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

1 825 distinct species · 60 150 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

60 150 obs · 3 cellules
Obs. / cellule
≥ 23 358
23 358–23 357
23 358–23 357
20 987–23 357
< 20 987

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

Climate

Mean T°

12,4°C

Annual rain

838mm

Warmest m°

26,4°C

Coldest m°

-0,3°C

Elevation: 229 m on average (min 217 m, max 249 m)

Bioclimatic detailsExpert
Annual mean temp.
12,4°C
Annual rain
838mm
Warmest month
26,4°C
Coldest month
-0,3°C
Mean alt.
229m
Min
217m
Max
249m
Std. dev.
9m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate

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

Soil & lithology

pH H₂O

6,5

Org. C

30,1g/kg

Clay

24,8%

Sand

29,1%

Silt

46,1%

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
6,4
Org. C
48,7g/kg
Clay
23,5%
Sand
29,4%
Silt
47,1%
5–15 cm
pH H₂O
6,5
Org. C
24,4g/kg
Clay
23,4%
Sand
27,7%
Silt
48,8%
15–30 cm
pH H₂O
6,6
Org. C
17,3g/kg
Clay
27,3%
Sand
30,3%
Silt
42,4%

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

Land cover

Forest17.3%
Crops56.0%
Built-up1.5%
Bare soil0.8%
Other (grassland, water…)24.4%

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

Hydrology1 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

6,3km

Basins crossed

1

Max stream order

2

Max drainage

51 669km²

Discharge in basins

7,6m³/s

Mean precip.

852mm/an

Mean T°

10,9°C

Moisture idx

-0,07

Max snow

4%

Mean runoff

396mm/an

Mean elev. (basins)

347m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,9nW

Built-up

150,1%

Pesticides

47,7kg/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.