Ontologia

Commune · FRA

Chassignieu

France

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

Species observed

1 375

Observations

18 492

Area

4,9km²

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 Chassignieu : 40 espèces + 3 bulles famille, 114 interactions GloBI documentées sur 4 types (connectance 12.6%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
43
Interactions affichées
114
Connectance
0.126
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

1 375 distinct species · 18 492 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

18 492 obs · 1 cellules
Obs. / cellule
≥ 18 492
18 492–18 491
18 492–18 491
18 492–18 491
< 18 492

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

Climate

Mean T°

10,9°C

Annual rain

1 283mm

Warmest m°

24,6°C

Coldest m°

-2,5°C

Elevation: 471 m on average (min 394 m, max 552 m)

Bioclimatic detailsExpert
Annual mean temp.
10,9°C
Annual rain
1 283mm
Warmest month
24,6°C
Coldest month
-2,5°C
Mean alt.
471m
Min
394m
Max
552m
Std. dev.
66m
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

6,6

Org. C

45,3g/kg

Clay

27,9%

Sand

33,8%

Silt

38,2%

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
81,6g/kg
Clay
26,1%
Sand
34,9%
Silt
38,9%
5–15 cm
pH H₂O
6,6
Org. C
34,1g/kg
Clay
25,9%
Sand
34,6%
Silt
39,5%
15–30 cm
pH H₂O
6,7
Org. C
20,2g/kg
Clay
31,8%
Sand
31,9%
Silt
36,2%

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

Land cover

Forest23.0%
Crops39.4%
Built-up0.8%
Bare soil1.0%
Other (grassland, water…)35.8%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

1,7km

Basins crossed

1

Max stream order

1

Max drainage

737km²

Discharge in basins

0,1m³/s

Mean precip.

921mm/an

Mean T°

10,7°C

Moisture idx

0,01

Max snow

4%

Mean runoff

515mm/an

Mean elev. (basins)

372m

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

82,5%

Pesticides

44,5kg/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.