Ontologia

Commune · FRA

Sarre-Union

France

CfbTemperate, no dry season, warm summer(100 %)

Species observed

585

Observations

1 745

Area

15,5km²

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 Sarre-Union : 23 espèces reliées par 76 interactions GloBI sur 3 types (connectance 15.3%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
76
Connectance
0.153
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

585 distinct species · 1 745 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 745 obs · 1 cellules
Obs. / cellule
≥ 1 745
1 745–1 744
1 745–1 744
1 745–1 744
< 1 745

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

Climate

Mean T°

10,0°C

Annual rain

898mm

Warmest m°

23,7°C

Coldest m°

-1,1°C

Elevation: 257 m on average (min 223 m, max 308 m)

Bioclimatic detailsExpert
Annual mean temp.
10,0°C
Annual rain
898mm
Warmest month
23,7°C
Coldest month
-1,1°C
Mean alt.
257m
Min
223m
Max
308m
Std. dev.
21m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate

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

Soil & lithology

pH H₂O

6,4

Org. C

36,3g/kg

Clay

35,8%

Sand

18,7%

Silt

45,4%

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

Dominant lithology: scGLiMaggregated to Bas-Rhin

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
65,1g/kg
Clay
34,2%
Sand
20,0%
Silt
45,7%
5–15 cm
pH H₂O
6,5
Org. C
27,6g/kg
Clay
36,9%
Sand
17,5%
Silt
45,7%
15–30 cm
pH H₂O
6,5
Org. C
16,2g/kg
Clay
36,4%
Sand
18,8%
Silt
44,9%

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

Land cover

Forest20.8%
Crops45.5%
Built-up2.0%
Bare soil0.3%
Other (grassland, water…)31.3%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

2,6km

Basins crossed

1

Max stream order

3

Max drainage

1 774km²

Discharge in basins

0,2m³/s

Mean precip.

752mm/an

Mean T°

9,2°C

Moisture idx

-0,04

Max snow

9%

Mean runoff

394mm/an

Mean elev. (basins)

291m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

1hab/km²

Night light

2,1nW

Built-up

203,2%

Pesticides

45,5kg/km²

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

Protected areas2

IUCN V · 1IUCN Not Reported · 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.