Ontologia

Commune · FRA

Rians

France

CsaTemperate, dry summer, hot summer(100 %)

Species observed

4 668

Observations

161 444

Area

96,6km²

Ecological tissue

Sample of 32 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 Rians : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 108 interactions GloBI sur 5 types (connectance 18.2%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
108
Connectance
0.181
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

4 668 distinct species · 161 444 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

161 444 obs · 9 cellules
Obs. / cellule
≥ 54 599
54 599–54 598
20 458–54 598
10 755–20 457
< 10 755

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

Climate

Mean T°

12,9°C

Annual rain

727mm

Warmest m°

28,6°C

Coldest m°

-1,0°C

Elevation: 418 m on average (min 331 m, max 592 m)

Bioclimatic detailsExpert
Annual mean temp.
12,9°C
Annual rain
727mm
Warmest month
28,6°C
Coldest month
-1,0°C
Mean alt.
418m
Min
331m
Max
592m
Std. dev.
60m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, 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

7,4

Org. C

36,5g/kg

Clay

27,9%

Sand

24,5%

Silt

47,6%

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

Dominant lithology: scGLiMaggregated to Var

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,3
Org. C
58,2g/kg
Clay
27,1%
Sand
24,8%
Silt
48,2%
5–15 cm
pH H₂O
7,5
Org. C
30,6g/kg
Clay
27,3%
Sand
24,5%
Silt
48,2%
15–30 cm
pH H₂O
7,4
Org. C
20,8g/kg
Clay
29,3%
Sand
24,2%
Silt
46,5%

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

Land cover

Forest38.4%
Crops12.0%
Built-up0.6%
Bare soil2.4%
Other (grassland, water…)46.7%

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

Hydrology1 basins · 0 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

27,8km

Basins crossed

1

Max stream order

3

Max drainage

12 993km²

Discharge in basins

10,5m³/s

Mean precip.

700mm/an

Mean T°

12,3°C

Moisture idx

-0,25

Max snow

4%

Mean runoff

310mm/an

Mean elev. (basins)

335m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

57,4%

Pesticides

41,4kg/km²

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

Protected areas3

IUCN Not Reported · 2IUCN V · 1

Verdon

IUCN V

Regional Nature Park · 1997

1 923 km²

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.