Ontologia

Commune · FRA

Petit-Auverné

France

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

Species observed

1 801

Observations

25 515

Area

23,1km²

Ecological tissue

Sample of 36 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 Petit-Auverné : 26 espèces reliées par 108 interactions GloBI sur 5 types (connectance 17.1%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
108
Connectance
0.171
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

1 801 distinct species · 25 515 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

25 515 obs · 4 cellules
Obs. / cellule
≥ 14 959
14 959–14 958
7 959–14 958
7 959–7 958
< 7 959

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

773mm

Warmest m°

23,3°C

Coldest m°

2,3°C

Elevation: 59 m on average (min 50 m, max 75 m)

Bioclimatic detailsExpert
Annual mean temp.
11,7°C
Annual rain
773mm
Warmest month
23,3°C
Coldest month
2,3°C
Mean alt.
59m
Min
50m
Max
75m
Std. dev.
5m
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

6,0

Org. C

29,3g/kg

Clay

20,8%

Sand

28,3%

Silt

50,9%

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

Dominant lithology: ssGLiMaggregated to Loire-Atlantique

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
44,8g/kg
Clay
18,5%
Sand
29,6%
Silt
51,9%
5–15 cm
pH H₂O
6,1
Org. C
21,9g/kg
Clay
21,1%
Sand
28,3%
Silt
50,6%
15–30 cm
pH H₂O
6,1
Org. C
21,1g/kg
Clay
22,8%
Sand
27,1%
Silt
50,0%

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

Land cover

Forest9.4%
Crops67.2%
Built-up0.6%
Bare soil0.3%
Other (grassland, water…)22.6%

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

Hydrology2 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

14,6km

Basins crossed

2

Max stream order

2

Max drainage

5 676km²

Discharge in basins

0,8m³/s

Mean precip.

744mm/an

Mean T°

11,2°C

Moisture idx

-0,09

Max snow

5%

Mean runoff

463mm/an

Mean elev. (basins)

59m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

55,5%

Pesticides

43,6kg/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.