Ontologia

Commune · FRA

Valvignères

France

CfaTemperate, no dry season, hot summer(100 %)

Species observed

828

Observations

5 480

Area

30,7km²

Ecological tissue

Sample of 24 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 Valvignères : 22 espèces + 2 bulles famille, 39 interactions GloBI documentées sur 4 types (connectance 14.1%, filtre Serrano α=0.2). Les 2 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
24
Interactions affichées
39
Connectance
0.141
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

828 distinct species · 5 480 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 480 obs · 1 cellules
Obs. / cellule
≥ 5 480
5 480–5 479
5 480–5 479
5 480–5 479
< 5 480

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

Climate

Mean T°

13,3°C

Annual rain

1 120mm

Warmest m°

28,2°C

Coldest m°

1,0°C

Elevation: 290 m on average (min 199 m, max 419 m)

Bioclimatic detailsExpert
Annual mean temp.
13,3°C
Annual rain
1 120mm
Warmest month
28,2°C
Coldest month
1,0°C
Mean alt.
290m
Min
199m
Max
419m
Std. dev.
75m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

7,2

Org. C

36,0g/kg

Clay

31,9%

Sand

26,4%

Silt

41,6%

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

Dominant lithology: mtGLiMaggregated to Ardèche

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,1
Org. C
61,3g/kg
Clay
31,5%
Sand
26,7%
Silt
41,8%
5–15 cm
pH H₂O
7,2
Org. C
24,6g/kg
Clay
31,5%
Sand
26,2%
Silt
42,3%
15–30 cm
pH H₂O
7,2
Org. C
22,0g/kg
Clay
32,8%
Sand
26,5%
Silt
40,7%

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

Land cover

Forest37.1%
Crops25.6%
Built-up0.3%
Bare soil2.6%
Other (grassland, water…)34.3%

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

Hydrology2 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

3,2km

Basins crossed

2

Max stream order

1

Max drainage

70 572km²

Discharge in basins

20,5m³/s

Mean precip.

838mm/an

Mean T°

11,2°C

Moisture idx

-0,10

Max snow

9%

Mean runoff

430mm/an

Mean elev. (basins)

394m

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

29,5%

Pesticides

42,3kg/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.