Ontologia

Subdivision · FRA

Crest-Sud

France

CfaTemperate, no dry season, hot summer(77 %)

Species observed

4 006

Observations

130 439

Area

226,4km²

Ecological tissue

Sample of 45 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 Crest-Sud : 43 espèces + 2 bulles famille, 81 interactions GloBI documentées sur 6 types (connectance 8.2%, filtre Serrano α=0.2). Les 2 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
45
Interactions affichées
81
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

4 006 distinct species · 130 439 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

130 600 obs · 7 cellules
Obs. / cellule
≥ 40 856
40 856–40 855
22 670–40 855
13 358–22 669
< 13 358

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

Climate

Mean T°

12,2°C

Annual rain

1 120mm

Warmest m°

26,6°C

Coldest m°

-0,5°C

Elevation: 375 m on average (min 131 m, max 1 326 m)

Bioclimatic detailsExpert
Annual mean temp.
12,2°C
Annual rain
1 120mm
Warmest month
26,6°C
Coldest month
-0,5°C
Mean alt.
375m
Min
131m
Max
1 326m
Std. dev.
191m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(77 %)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

37,0g/kg

Clay

28,7%

Sand

29,4%

Silt

41,9%

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

Dominant lithology: smGLiMaggregated to Drôme

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,9
Org. C
62,5g/kg
Clay
27,7%
Sand
30,0%
Silt
42,3%
5–15 cm
pH H₂O
7,1
Org. C
25,8g/kg
Clay
27,8%
Sand
29,4%
Silt
42,8%
15–30 cm
pH H₂O
7,0
Org. C
22,6g/kg
Clay
30,5%
Sand
28,8%
Silt
40,7%

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

Land cover

Forest39.1%
Crops32.0%
Built-up0.5%
Bare soil1.6%
Other (grassland, water…)26.8%

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

Hydrology2 basins · 0 lakes · 11 rivers

Hydrology metrics for this exact territory

Stream length here

39,5km

Basins crossed

2

Max stream order

4

Max drainage

70 572km²

Discharge in basins

84,6m³/s

Mean precip.

913mm/an

Mean T°

10,0°C

Moisture idx

0,02

Max snow

14%

Mean runoff

412mm/an

Mean elev. (basins)

597m

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

52,8%

Pesticides

41,6kg/km²

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

Protected areas12

IUCN IV · 7IUCN Not Reported · 5
Complete list

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

Sub-administrations11

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.