Ontologia

Subdivision · DEU

Aerzen

Germany

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

Species observed

1 586

Observations

9 246

Area

105,3km²

Ecological tissue

Sample of 32 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 Aerzen : 19 espèces reliées par 142 interactions GloBI sur 6 types (connectance 25.3%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
142
Connectance
0.253
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

1 586 distinct species · 9 246 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 246 obs · 5 cellules
Obs. / cellule
≥ 3 425
3 425–3 424
2 094–3 424
1 418–2 093
< 1 418

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

945mm

Warmest m°

21,7°C

Coldest m°

-1,5°C

Elevation: 177 m on average (min 86 m, max 340 m)

Bioclimatic detailsExpert
Annual mean temp.
9,0°C
Annual rain
945mm
Warmest month
21,7°C
Coldest month
-1,5°C
Mean alt.
177m
Min
86m
Max
340m
Std. dev.
53m
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

5,5

Org. C

49,6g/kg

Clay

28,4%

Sand

17,0%

Silt

54,6%

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

Dominant lithology: smGLiMaggregated to Hameln-Pyrmont

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
84,3g/kg
Clay
25,8%
Sand
16,3%
Silt
57,9%
5–15 cm
pH H₂O
5,5
Org. C
38,3g/kg
Clay
27,9%
Sand
15,0%
Silt
57,1%
15–30 cm
pH H₂O
5,5
Org. C
26,1g/kg
Clay
31,5%
Sand
19,7%
Silt
48,7%

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

Land cover

Forest27.6%
Crops53.7%
Built-up0.8%
Bare soil0.5%
Other (grassland, water…)17.4%

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

Hydrology2 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

27,7km

Basins crossed

2

Max stream order

2

Max drainage

17 585km²

Discharge in basins

18,3m³/s

Mean precip.

782mm/an

Mean T°

8,5°C

Moisture idx

0,09

Max snow

18%

Mean runoff

348mm/an

Mean elev. (basins)

165m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,4nW

Built-up

84,4%

Pesticides

31,0kg/km²

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

Protected areas24

IUCN V · 17IUCN IV · 6IUCN Not Reported · 1

Emmertal

IUCN V

Landscape Protection Area · 2015

23 km²

Complete list

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