Ontologia

Commune · FRA

Chavagne

France

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

Species observed

2 491

Observations

48 084

Area

12,2km²

Ecological tissue

Sample of 23 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 Chavagne : 17 espèces reliées par 75 interactions GloBI sur 4 types (connectance 29.6%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
23
Interactions affichées
75
Connectance
0.296
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

2 491 distinct species · 48 084 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

48 084 obs · 3 cellules
Obs. / cellule
≥ 33 412
33 412–33 411
33 412–33 411
8 361–33 411
< 8 361

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

Climate

Mean T°

11,7°C

Annual rain

733mm

Warmest m°

22,9°C

Coldest m°

2,5°C

Elevation: 25 m on average (min 20 m, max 32 m)

Bioclimatic detailsExpert
Annual mean temp.
11,7°C
Annual rain
733mm
Warmest month
22,9°C
Coldest month
2,5°C
Mean alt.
25m
Min
20m
Max
32m
Std. dev.
4m
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

6,1

Org. C

38,9g/kg

Clay

19,9%

Sand

24,7%

Silt

55,4%

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

Dominant lithology: ssGLiMaggregated to Ille-et-Vilaine

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
61,6g/kg
Clay
18,0%
Sand
25,9%
Silt
56,1%
5–15 cm
pH H₂O
6,2
Org. C
32,4g/kg
Clay
19,6%
Sand
24,6%
Silt
55,9%
15–30 cm
pH H₂O
6,1
Org. C
22,7g/kg
Clay
22,0%
Sand
23,7%
Silt
54,2%

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

Land cover

Forest15.6%
Crops45.5%
Built-up2.7%
Bare soil0.5%
Other (grassland, water…)35.7%

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

Hydrology3 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

4,1km

Basins crossed

3

Max stream order

4

Max drainage

2 438km²

Discharge in basins

0,2m³/s

Mean precip.

744mm/an

Mean T°

11,0°C

Moisture idx

-0,04

Max snow

6%

Mean runoff

506mm/an

Mean elev. (basins)

87m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

2hab/km²

Night light

1,6nW

Built-up

269,4%

Pesticides

45,0kg/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.