Ontologia

Commune · FRA

Saint-Valérien

France

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

Species observed

661

Observations

3 324

Area

15,2km²

Ecological tissue

Sample of 35 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 Saint-Valérien : 26 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 97 interactions GloBI sur 4 types (connectance 15.4%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
97
Connectance
0.154
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

661 distinct species · 3 324 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 324 obs · 1 cellules
Obs. / cellule
≥ 3 324
3 324–3 323
3 324–3 323
3 324–3 323
< 3 324

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

Climate

Mean T°

12,3°C

Annual rain

884mm

Warmest m°

24,4°C

Coldest m°

2,6°C

Elevation: 54 m on average (min 42 m, max 64 m)

Bioclimatic detailsExpert
Annual mean temp.
12,3°C
Annual rain
884mm
Warmest month
24,4°C
Coldest month
2,6°C
Mean alt.
54m
Min
42m
Max
64m
Std. dev.
6m
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

7,0

Org. C

31,8g/kg

Clay

25,9%

Sand

24,8%

Silt

49,3%

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

Dominant lithology: ssGLiMaggregated to Vendée

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,9
Org. C
53,5g/kg
Clay
24,5%
Sand
25,4%
Silt
50,0%
5–15 cm
pH H₂O
7,1
Org. C
22,4g/kg
Clay
26,5%
Sand
23,5%
Silt
50,1%
15–30 cm
pH H₂O
7,1
Org. C
19,6g/kg
Clay
26,6%
Sand
25,5%
Silt
47,9%

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

Land cover

Forest8.0%
Crops72.8%
Built-up0.7%
Bare soil1.0%
Other (grassland, water…)17.5%

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

Hydrology3 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

2,8km

Basins crossed

3

Max stream order

2

Max drainage

3 420km²

Discharge in basins

0,3m³/s

Mean precip.

777mm/an

Mean T°

11,9°C

Moisture idx

-0,06

Max snow

4%

Mean runoff

523mm/an

Mean elev. (basins)

74m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

68,5%

Pesticides

42,4kg/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.