Ontologia

Commune · FRA

Valréas

France

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

Species observed

1 469

Observations

17 822

Area

59,3km²

Ecological tissue

Sample of 38 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 Valréas : 33 espèces + 5 bulles famille, 78 interactions GloBI documentées sur 5 types (connectance 11.1%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
38
Interactions affichées
78
Connectance
0.111
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

1 469 distinct species · 17 822 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

19 083 obs · 25 cellules · 15002026
Obs. / cellule
≥ 7 043
2 710–7 042
315–2 709
37–314
< 37

Source : GBIF — observations agrégées par hexagones 0.02° × 0.02° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

13,3°C

Annual rain

1 011mm

Warmest m°

28,3°C

Coldest m°

0,4°C

Elevation: 275 m on average (min 162 m, max 459 m)

Bioclimatic detailsExpert
Annual mean temp.
13,3°C
Annual rain
1 011mm
Warmest month
28,3°C
Coldest month
0,4°C
Mean alt.
275m
Min
162m
Max
459m
Std. dev.
68m
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

7,5

Org. C

34,3g/kg

Clay

30,7%

Sand

29,3%

Silt

40,0%

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

Dominant lithology: smGLiMaggregated to Vaucluse

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,5
Org. C
60,0g/kg
Clay
29,4%
Sand
30,1%
Silt
40,5%
5–15 cm
pH H₂O
7,5
Org. C
21,4g/kg
Clay
29,6%
Sand
29,4%
Silt
41,0%
15–30 cm
pH H₂O
7,6
Org. C
21,6g/kg
Clay
33,1%
Sand
28,5%
Silt
38,5%

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

Land cover

Forest13.7%
Crops30.0%
Built-up1.9%
Bare soil4.5%
Other (grassland, water…)49.8%

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

Hydrology1 basins · 0 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

15,2km

Basins crossed

1

Max stream order

2

Max drainage

74 988km²

Discharge in basins

43,4m³/s

Mean precip.

845mm/an

Mean T°

11,1°C

Moisture idx

-0,08

Max snow

5%

Mean runoff

351mm/an

Mean elev. (basins)

446m

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

Human pressure

Pop. density

1hab/km²

Night light

0,8nW

Built-up

187,7%

Pesticides

43,2kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas2

IUCN V · 1IUCN IV · 1

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

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.