Ontologia

Commune · CHE

Graben

Switzerland

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

Species observed

1 570

Observations

9 368

Area

3,2km²

Ecological tissue

Sample of 36 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 Graben : 23 espèces reliées par 118 interactions GloBI sur 6 types (connectance 15.9%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
118
Connectance
0.159
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

1 570 distinct species · 9 368 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 368 obs · 1 cellules
Obs. / cellule
≥ 9 368
9 368–9 367
9 368–9 367
9 368–9 367
< 9 368

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

Climate

Mean T°

10,1°C

Annual rain

1 156mm

Warmest m°

23,5°C

Coldest m°

-2,8°C

Elevation: 446 m on average (min 438 m, max 473 m)

Bioclimatic detailsExpert
Annual mean temp.
10,1°C
Annual rain
1 156mm
Warmest month
23,5°C
Coldest month
-2,8°C
Mean alt.
446m
Min
438m
Max
473m
Std. dev.
13m
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

5,5

Org. C

43,9g/kg

Clay

27,0%

Sand

34,6%

Silt

38,4%

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

Dominant lithology: suGLiMaggregated to Wangen

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
71,1g/kg
Clay
26,2%
Sand
34,8%
Silt
39,0%
5–15 cm
pH H₂O
5,5
Org. C
34,9g/kg
Clay
27,0%
Sand
34,5%
Silt
38,5%
15–30 cm
pH H₂O
5,5
Org. C
25,6g/kg
Clay
27,8%
Sand
34,4%
Silt
37,8%

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

Land cover

Forest34.6%
Crops31.3%
Built-up1.0%
Bare soil0.7%
Other (grassland, water…)32.5%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

3,9km

Basins crossed

1

Max stream order

6

Max drainage

9 936km²

Discharge in basins

1,5m³/s

Mean precip.

1 013mm/an

Mean T°

8,5°C

Moisture idx

0,25

Max snow

19%

Mean runoff

740mm/an

Mean elev. (basins)

575m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,4nW

Built-up

99,0%

Pesticides

53,2kg/km²

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

Protected areas3

IUCN Not Reported · 1IUCN Not Assigned · 1IUCN IV · 1

Oberaargau

IUCN Not Reported

Emerald Network

115 km²

Oberaargau

IUCN Not Assigned

Emerald Sites · 2009

115 km²

Vogelraupfi

IUCN IV

Federal Inventory of Amphibian Spawning Areas of National Importance · 2003

0 km²

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