Ontologia

Subdivision · DEU

Alsbach-Hähnlein

Germany

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

Species observed

2 167

Observations

16 842

Area

15,7km²

Ecological tissue

Sample of 38 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 Alsbach-Hähnlein : 24 espèces reliées par 146 interactions GloBI sur 5 types (connectance 17.8%, filtre Serrano α=0.2). 17 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
146
Connectance
0.178
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

2 167 distinct species · 16 842 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

16 842 obs · 1 cellules
Obs. / cellule
≥ 16 842
16 842–16 841
16 842–16 841
16 842–16 841
< 16 842

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

Climate

Mean T°

10,4°C

Annual rain

812mm

Warmest m°

24,2°C

Coldest m°

-1,2°C

Elevation: 122 m on average (min 91 m, max 371 m)

Bioclimatic detailsExpert
Annual mean temp.
10,4°C
Annual rain
812mm
Warmest month
24,2°C
Coldest month
-1,2°C
Mean alt.
122m
Min
91m
Max
371m
Std. dev.
67m
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

6,1

Org. C

30,7g/kg

Clay

28,3%

Sand

30,5%

Silt

41,1%

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

Dominant lithology: mtGLiMaggregated to Darmstadt-Dieburg

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
54,5g/kg
Clay
28,6%
Sand
30,6%
Silt
40,8%
5–15 cm
pH H₂O
6,1
Org. C
23,7g/kg
Clay
28,0%
Sand
29,9%
Silt
42,1%
15–30 cm
pH H₂O
6,1
Org. C
13,8g/kg
Clay
28,3%
Sand
31,1%
Silt
40,6%

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

Land cover

Forest19.6%
Crops50.4%
Built-up3.5%
Bare soil0.6%
Other (grassland, water…)26.0%

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

Hydrology2 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

7,5km

Basins crossed

2

Max stream order

2

Max drainage

539km²

Discharge in basins

0,1m³/s

Mean precip.

643mm/an

Mean T°

9,6°C

Moisture idx

-0,20

Max snow

10%

Mean runoff

260mm/an

Mean elev. (basins)

147m

Watersheds crossing here

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

Human pressure

Pop. density

3hab/km²

Night light

2,2nW

Built-up

347,6%

Pesticides

28,1kg/km²

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

Protected areas8

IUCN Not Reported · 5IUCN IV · 2IUCN V · 1

Forehahi

IUCN V

Landscape Protection Area · 1956

95 km²

Complete list

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