Ontologia

Subdivision · DEU

Holzmaden

Germany

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

Species observed

1 236

Observations

4 835

Area

3km²

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 Holzmaden : 21 espèces reliées par 125 interactions GloBI sur 5 types (connectance 18.8%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
125
Connectance
0.188
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

1 236 distinct species · 4 835 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 835 obs · 1 cellules
Obs. / cellule
≥ 4 835
4 835–4 834
4 835–4 834
4 835–4 834
< 4 835

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

Climate

Mean T°

9,4°C

Annual rain

925mm

Warmest m°

23,1°C

Coldest m°

-3,2°C

Elevation: 370 m on average (min 359 m, max 394 m)

Bioclimatic detailsExpert
Annual mean temp.
9,4°C
Annual rain
925mm
Warmest month
23,1°C
Coldest month
-3,2°C
Mean alt.
370m
Min
359m
Max
394m
Std. dev.
8m
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

6,6

Org. C

28,6g/kg

Clay

33,3%

Sand

23,9%

Silt

42,8%

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

Dominant lithology: smGLiMaggregated to Esslingen

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
44,5g/kg
Clay
31,0%
Sand
24,9%
Silt
44,1%
5–15 cm
pH H₂O
6,7
Org. C
26,6g/kg
Clay
34,6%
Sand
22,7%
Silt
42,8%
15–30 cm
pH H₂O
6,7
Org. C
14,7g/kg
Clay
34,3%
Sand
24,2%
Silt
41,5%

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

Land cover

Forest25.4%
Crops27.4%
Built-up4.5%
Bare soil0.4%
Other (grassland, water…)42.2%

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

Hydrology1 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

1

Max drainage

200km²

Discharge in basins

0,0m³/s

Mean precip.

791mm/an

Mean T°

8,2°C

Moisture idx

0,03

Max snow

13%

Mean runoff

381mm/an

Mean elev. (basins)

530m

Watersheds crossing here

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

Human pressure

Pop. density

4hab/km²

Night light

2,4nW

Built-up

450,5%

Pesticides

25,6kg/km²

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

Protected areas5

IUCN Not Reported · 2IUCN V · 2IUCN IV · 1

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