Ontologia

District · DEU

Bayreuth

Germany

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

Species observed

5 401

Observations

269 249

Area

1 273,6km²

Ecological tissue

Sample of 27 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 Bayreuth : 22 espèces reliées par 70 interactions GloBI sur 6 types (connectance 19.9%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
70
Connectance
0.199
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

5 401 distinct species · 269 249 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

269 249 obs · 35 cellules
Obs. / cellule
≥ 21 289
11 558–21 288
8 612–11 557
6 892–8 611
< 6 892

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

995mm

Warmest m°

21,7°C

Coldest m°

-3,8°C

Elevation: 494 m on average (min 326 m, max 888 m)

Bioclimatic detailsExpert
Annual mean temp.
8,0°C
Annual rain
995mm
Warmest month
21,7°C
Coldest month
-3,8°C
Mean alt.
494m
Min
326m
Max
888m
Std. dev.
95m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)Cold

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

Soil & lithology

pH H₂O

5,9

Org. C

41,9g/kg

Clay

28,6%

Sand

27,1%

Silt

44,4%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
66,5g/kg
Clay
28,3%
Sand
27,1%
Silt
44,6%
5–15 cm
pH H₂O
6,0
Org. C
38,3g/kg
Clay
29,3%
Sand
26,2%
Silt
44,5%
15–30 cm
pH H₂O
6,0
Org. C
20,8g/kg
Clay
28,1%
Sand
27,9%
Silt
44,0%

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

Land cover

Forest46.3%
Crops30.8%
Built-up0.8%
Bare soil0.6%
Other (grassland, water…)21.6%

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

Hydrology7 basins · 0 lakes · 36 rivers

Hydrology metrics for this exact territory

Stream length here

264,9km

Basins crossed

7

Max stream order

3

Max drainage

1 187km²

Discharge in basins

10,9m³/s

Mean precip.

696mm/an

Mean T°

7,7°C

Moisture idx

-0,06

Max snow

26%

Mean runoff

268mm/an

Mean elev. (basins)

468m

Watersheds crossing here

Rivers / streams (36, ord ≥ 4)

24 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

81,4%

Pesticides

26,1kg/km²

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

Protected areas64

IUCN Not Reported · 27IUCN V · 21IUCN IV · 16
Complete list

+ 4 protected areas (top 60 shown)

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

Sub-administrations47