Ontologia

District · DEU

Erlangen-Höchstadt

Germany

CfbTemperate, no dry season, warm summer(98 %)

Species observed

4 781

Observations

183 747

Area

564,6km²

Ecological tissue

Sample of 33 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 Erlangen-Höchstadt : 20 espèces reliées par 106 interactions GloBI sur 4 types (connectance 18.9%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
106
Connectance
0.189
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

4 781 distinct species · 183 747 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

183 747 obs · 19 cellules
Obs. / cellule
≥ 30 921
22 647–30 920
11 440–22 646
7 012–11 439
< 7 012

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

Climate

Mean T°

9,2°C

Annual rain

758mm

Warmest m°

23,3°C

Coldest m°

-2,8°C

Elevation: 318 m on average (min 262 m, max 490 m)

Bioclimatic detailsExpert
Annual mean temp.
9,2°C
Annual rain
758mm
Warmest month
23,3°C
Coldest month
-2,8°C
Mean alt.
318m
Min
262m
Max
490m
Std. dev.
29m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(98 %)Temperate

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

Soil & lithology

pH H₂O

6,1

Org. C

29,4g/kg

Clay

25,5%

Sand

31,6%

Silt

43,0%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
46,3g/kg
Clay
24,6%
Sand
31,9%
Silt
43,5%
5–15 cm
pH H₂O
6,2
Org. C
26,4g/kg
Clay
26,4%
Sand
30,7%
Silt
42,9%
15–30 cm
pH H₂O
6,2
Org. C
15,5g/kg
Clay
25,5%
Sand
32,0%
Silt
42,5%

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

Land cover

Forest41.5%
Crops31.0%
Built-up1.7%
Bare soil0.8%
Other (grassland, water…)25.0%

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

Hydrology4 basins · 12 lakes · 24 rivers

Hydrology metrics for this exact territory

Stream length here

114,6km

Lake surface here

2,77km²

Basins crossed

4

Max stream order

4

Max drainage

6 982km²

Discharge in basins

17,8m³/s

Mean precip.

666mm/an

Mean T°

8,5°C

Moisture idx

-0,15

Max snow

23%

Mean runoff

222mm/an

Mean elev. (basins)

349m

Watersheds crossing here

Lakes (12, top by area)

3 more lakes

Rivers / streams (24, ord ≥ 4)

12 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

1,4nW

Built-up

173,8%

Pesticides

28,3kg/km²

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

Protected areas53

IUCN V · 30IUCN Not Reported · 15IUCN IV · 8

Aischgrund

IUCN Not Reported

Special Protection Area (Birds Directive) · 2006

19 km²

Complete list

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

Sub-administrations31