Ontologia

Department · FRA

Drôme

France

CfbTemperate, no dry season, warm summer(46 %)

Species observed

12 718

Observations

3 091 092

Area

6 559,4km²

Ecological tissue

Sample of 41 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 Drôme : 37 espèces + 4 bulles famille, 67 interactions GloBI documentées sur 7 types (connectance 8.2%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
41
Interactions affichées
67
Connectance
0.082
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

12 718 distinct species · 3 091 092 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 120 623 obs · 103 cellules · 15002026
Obs. / cellule
≥ 84 968
52 741–84 967
38 956–52 740
29 514–38 955
< 29 514

Source : GBIF — observations agrégées par hexagones 0.1° × 0.1° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

11,0°C

Annual rain

1 115mm

Warmest m°

25,2°C

Coldest m°

-1,9°C

Elevation: 577 m on average (min 46 m, max 2 154 m)

Bioclimatic detailsExpert
Annual mean temp.
11,0°C
Annual rain
1 115mm
Warmest month
25,2°C
Coldest month
-1,9°C
Mean alt.
577m
Min
46m
Max
2 154m
Std. dev.
387m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(46 %)Temperate

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

Soil & lithology

pH H₂O

6,9

Org. C

43,4g/kg

Clay

27,8%

Sand

30,9%

Silt

41,3%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,9
Org. C
69,7g/kg
Clay
26,7%
Sand
31,5%
Silt
41,8%
5–15 cm
pH H₂O
7,0
Org. C
34,2g/kg
Clay
26,8%
Sand
31,1%
Silt
42,1%
15–30 cm
pH H₂O
7,0
Org. C
26,3g/kg
Clay
30,0%
Sand
30,1%
Silt
39,9%

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

Land cover

Forest34.2%
Crops21.0%
Built-up1.0%
Bare soil2.6%
Other (grassland, water…)41.3%

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

Hydrology17 basins · 5 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

1 237,9km

Lake surface here

0,59km²

Basins crossed

17

Max stream order

7

Max drainage

74 988km²

Discharge in basins

4 214,1m³/s

Mean precip.

899mm/an

Mean T°

10,1°C

Moisture idx

0,00

Max snow

26%

Mean runoff

400mm/an

Mean elev. (basins)

582m

Rivers / streams (100, ord ≥ 4)

88 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,7nW

Built-up

97,9%

Pesticides

40,8kg/km²

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

Protected areas70

IUCN Not Reported · 35IUCN IV · 30IUCN V · 3IUCN Ia · 2🌊 Marine · 1

Vercors

IUCN V

Regional Nature Park · 1970

2 060 km²

Complete list

+ 10 protected areas (top 60 shown)

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

Sub-administrations200

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.