Ontologia

Subdivision · DEU

Ahlerstedt

Germany

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

Species observed

752

Observations

2 481

Area

62,6km²

Ecological tissue

Sample of 39 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 Ahlerstedt : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 154 interactions GloBI sur 6 types (connectance 18.8%, filtre Serrano α=0.2). 20 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
154
Connectance
0.188
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

752 distinct species · 2 481 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 481 obs · 2 cellules
Obs. / cellule
≥ 1 582
1 582–1 581
1 582–1 581
1 582–1 581
< 1 582

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

853mm

Warmest m°

21,8°C

Coldest m°

-0,7°C

Elevation: 32 m on average (min 18 m, max 50 m)

Bioclimatic detailsExpert
Annual mean temp.
9,2°C
Annual rain
853mm
Warmest month
21,8°C
Coldest month
-0,7°C
Mean alt.
32m
Min
18m
Max
50m
Std. dev.
7m
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

5,8

Org. C

72,1g/kg

Clay

8,2%

Sand

75,4%

Silt

16,5%

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

Dominant lithology: suGLiMaggregated to Stade

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
105,2g/kg
Clay
8,6%
Sand
74,2%
Silt
17,2%
5–15 cm
pH H₂O
5,8
Org. C
50,1g/kg
Clay
6,6%
Sand
77,4%
Silt
16,1%
15–30 cm
pH H₂O
5,8
Org. C
61,0g/kg
Clay
9,3%
Sand
74,6%
Silt
16,1%

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

Land cover

Forest15.2%
Crops58.4%
Built-up1.0%
Bare soil0.2%
Other (grassland, water…)25.2%

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

Hydrology2 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

12,2km

Basins crossed

2

Max stream order

1

Max drainage

1 805km²

Discharge in basins

0,6m³/s

Mean precip.

756mm/an

Mean T°

8,4°C

Moisture idx

0,08

Max snow

16%

Mean runoff

469mm/an

Mean elev. (basins)

18m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

99,8%

Pesticides

37,5kg/km²

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

Protected areas7

IUCN IV · 4IUCN Not Reported · 2IUCN V · 1

Auetal

IUCN V

Landscape Protection Area · 2018

19 km²

Braken

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2018

6 km²

Complete list

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