Ontologia

Commune · FRA

Vallet

France

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

Species observed

1 168

Observations

54 134

Area

58,3km²

Ecological tissue

Sample of 39 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 Vallet : 27 espèces reliées par 89 interactions GloBI sur 6 types (connectance 12.0%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
89
Connectance
0.120
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

1 168 distinct species · 54 134 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

54 134 obs · 4 cellules
Obs. / cellule
≥ 48 754
48 754–48 753
3 239–48 753
3 239–3 238
< 3 239

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

Climate

Mean T°

11,9°C

Annual rain

835mm

Warmest m°

23,7°C

Coldest m°

2,5°C

Elevation: 60 m on average (min 9 m, max 92 m)

Bioclimatic detailsExpert
Annual mean temp.
11,9°C
Annual rain
835mm
Warmest month
23,7°C
Coldest month
2,5°C
Mean alt.
60m
Min
9m
Max
92m
Std. dev.
20m
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

6,3

Org. C

31,0g/kg

Clay

16,0%

Sand

41,1%

Silt

42,9%

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
6,2
Org. C
51,8g/kg
Clay
15,8%
Sand
41,7%
Silt
42,5%
5–15 cm
pH H₂O
6,4
Org. C
21,0g/kg
Clay
15,6%
Sand
41,0%
Silt
43,5%
15–30 cm
pH H₂O
6,3
Org. C
20,1g/kg
Clay
16,5%
Sand
40,8%
Silt
42,7%

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

Land cover

Forest14.9%
Crops38.4%
Built-up2.1%
Bare soil2.2%
Other (grassland, water…)42.5%

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

Hydrology2 basins · 0 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

19,8km

Basins crossed

2

Max stream order

2

Max drainage

111 742km²

Discharge in basins

12,3m³/s

Mean precip.

748mm/an

Mean T°

11,4°C

Moisture idx

-0,11

Max snow

4%

Mean runoff

427mm/an

Mean elev. (basins)

92m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,7nW

Built-up

208,5%

Pesticides

44,0kg/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.