Ontologia

Commune · FRA

Saint-Brice-sur-Vienne

France

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

Species observed

1 637

Observations

16 551

Area

20,9km²

Ecological tissue

Sample of 37 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 Saint-Brice-sur-Vienne : 35 espèces + 2 bulles famille, 82 interactions GloBI documentées sur 3 types (connectance 12.3%, filtre Serrano α=0.2). Les 2 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
37
Interactions affichées
82
Connectance
0.123
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

1 637 distinct species · 16 551 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

16 551 obs · 1 cellules
Obs. / cellule
≥ 16 551
16 551–16 550
16 551–16 550
16 551–16 550
< 16 551

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

Climate

Mean T°

11,7°C

Annual rain

1 080mm

Warmest m°

24,2°C

Coldest m°

1,7°C

Elevation: 247 m on average (min 200 m, max 279 m)

Bioclimatic detailsExpert
Annual mean temp.
11,7°C
Annual rain
1 080mm
Warmest month
24,2°C
Coldest month
1,7°C
Mean alt.
247m
Min
200m
Max
279m
Std. dev.
24m
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

5,8

Org. C

42,6g/kg

Clay

19,8%

Sand

45,1%

Silt

35,1%

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

Dominant lithology: mtGLiMaggregated to Haute-Vienne

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
76,8g/kg
Clay
20,7%
Sand
45,2%
Silt
34,1%
5–15 cm
pH H₂O
5,8
Org. C
31,2g/kg
Clay
19,2%
Sand
46,3%
Silt
34,5%
15–30 cm
pH H₂O
5,8
Org. C
19,8g/kg
Clay
19,5%
Sand
43,8%
Silt
36,8%

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

Land cover

Forest23.1%
Crops38.3%
Built-up0.9%
Bare soil0.7%
Other (grassland, water…)36.9%

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

Hydrology2 basins · 0 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

7,7km

Basins crossed

2

Max stream order

5

Max drainage

3 554km²

Discharge in basins

1,2m³/s

Mean precip.

1 025mm/an

Mean T°

11,0°C

Moisture idx

0,09

Max snow

4%

Mean runoff

381mm/an

Mean elev. (basins)

315m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

87,2%

Pesticides

30,5kg/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.