Ontologia

Commune · CHE

Saint-Brais

Switzerland

DfbCold, no dry season, warm summer(56 %)

Species observed

6 178

Observations

165 350

Area

16,2km²

Ecological tissue

Sample of 34 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-Brais : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 113 interactions GloBI sur 7 types (connectance 15.2%, filtre Serrano α=0.2). 18 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
113
Connectance
0.152
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

6 178 distinct species · 165 350 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

165 350 obs · 4 cellules
Obs. / cellule
≥ 74 298
74 298–74 297
42 665–74 297
42 665–42 664
< 42 665

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

Climate

Mean T°

8,0°C

Annual rain

1 339mm

Warmest m°

20,7°C

Coldest m°

-3,9°C

Elevation: 793 m on average (min 560 m, max 934 m)

Bioclimatic detailsExpert
Annual mean temp.
8,0°C
Annual rain
1 339mm
Warmest month
20,7°C
Coldest month
-3,9°C
Mean alt.
793m
Min
560m
Max
934m
Std. dev.
122m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(56 %)Cold

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

Soil & lithology

pH H₂O

6,2

Org. C

61,4g/kg

Clay

36,8%

Sand

19,8%

Silt

43,4%

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

Dominant lithology: scGLiMaggregated to Les Franches-Montagnes

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
99,0g/kg
Clay
37,5%
Sand
19,3%
Silt
43,2%
5–15 cm
pH H₂O
6,2
Org. C
49,9g/kg
Clay
36,7%
Sand
20,0%
Silt
43,4%
15–30 cm
pH H₂O
6,2
Org. C
35,2g/kg
Clay
36,3%
Sand
20,2%
Silt
43,5%

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

Land cover

Forest57.0%
Crops18.3%
Built-up0.3%
Bare soil0.4%
Other (grassland, water…)24.1%

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

Hydrology2 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

5,3km

Basins crossed

2

Max stream order

3

Max drainage

1 464km²

Discharge in basins

0,4m³/s

Mean precip.

1 211mm/an

Mean T°

7,0°C

Moisture idx

0,40

Max snow

29%

Mean runoff

774mm/an

Mean elev. (basins)

864m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,5nW

Built-up

28,5%

Pesticides

51,8kg/km²

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

Protected areas11

IUCN Not Assigned · 7IUCN IV · 3IUCN Not Reported · 1

St-Ursanne

IUCN Not Assigned

Emerald Sites · 2009

20 km²

Bollement

IUCN Not Assigned

Forest Reserves · 2023

1 km²

Chatelay

IUCN Not Assigned

Forest Reserves · 2023

1 km²

Complete list

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