Ontologia

Commune · DEU

Holzheim

Germany

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

Species observed

1 150

Observations

11 748

Area

71km²

Ecological tissue

Sample of 29 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 Holzheim : 22 espèces reliées par 72 interactions GloBI sur 4 types (connectance 17.7%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
72
Connectance
0.177
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

1 150 distinct species · 11 748 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

11 748 obs · 2 cellules
Obs. / cellule
≥ 5 924
5 924–5 923
5 924–5 923
5 924–5 923
< 5 924

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

Climate

Mean T°

9,0°C

Annual rain

799mm

Warmest m°

23,0°C

Coldest m°

-3,4°C

Elevation: 458 m on average (min 419 m, max 505 m)

Bioclimatic detailsExpert
Annual mean temp.
9,0°C
Annual rain
799mm
Warmest month
23,0°C
Coldest month
-3,4°C
Mean alt.
458m
Min
419m
Max
505m
Std. dev.
27m
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

6,7

Org. C

27,0g/kg

Clay

26,7%

Sand

30,0%

Silt

43,2%

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

Dominant lithology: smGLiMaggregated to Dillingen an der Donau

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
38,6g/kg
Clay
25,7%
Sand
30,3%
Silt
44,0%
5–15 cm
pH H₂O
6,7
Org. C
27,0g/kg
Clay
27,9%
Sand
28,9%
Silt
43,1%
15–30 cm
pH H₂O
6,7
Org. C
15,4g/kg
Clay
26,6%
Sand
30,9%
Silt
42,5%

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

Land cover

Forest24.7%
Crops48.7%
Built-up1.0%
Bare soil0.9%
Other (grassland, water…)24.6%

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

Hydrology2 basins · 5 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

9,4km

Lake surface here

1,81km²

Basins crossed

2

Max stream order

2

Max drainage

12 883km²

Discharge in basins

9,0m³/s

Mean precip.

791mm/an

Mean T°

8,1°C

Moisture idx

0,04

Max snow

19%

Mean runoff

354mm/an

Mean elev. (basins)

495m

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

Human pressure

Pop. density

1hab/km²

Night light

0,6nW

Built-up

102,3%

Pesticides

27,9kg/km²

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

Protected areas4

IUCN V · 2IUCN Not Reported · 2

Tiergarten

IUCN V

Landscape Protection Area · 1966

2 km²

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

Sub-administrations2