Ontologia

Subdivision · DEU

Verden (Aller)

Germany

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

Species observed

1 982

Observations

8 696

Area

71,7km²

Ecological tissue

Sample of 44 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 Verden (Aller) : 32 espèces reliées par 135 interactions GloBI sur 5 types (connectance 14.3%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
44
Interactions affichées
135
Connectance
0.143
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

1 982 distinct species · 8 696 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

8 696 obs · 2 cellules
Obs. / cellule
≥ 6 123
6 123–6 122
6 123–6 122
6 123–6 122
< 6 123

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

Climate

Mean T°

9,5°C

Annual rain

789mm

Warmest m°

22,3°C

Coldest m°

-0,6°C

Elevation: 25 m on average (min 11 m, max 59 m)

Bioclimatic detailsExpert
Annual mean temp.
9,5°C
Annual rain
789mm
Warmest month
22,3°C
Coldest month
-0,6°C
Mean alt.
25m
Min
11m
Max
59m
Std. dev.
14m
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

5,7

Org. C

59,8g/kg

Clay

14,9%

Sand

58,0%

Silt

27,1%

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

Dominant lithology: suGLiMaggregated to Verden

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
90,2g/kg
Clay
15,2%
Sand
57,7%
Silt
27,2%
5–15 cm
pH H₂O
5,7
Org. C
45,7g/kg
Clay
13,7%
Sand
59,4%
Silt
26,9%
15–30 cm
pH H₂O
5,8
Org. C
43,5g/kg
Clay
15,9%
Sand
56,9%
Silt
27,2%

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

Land cover

Forest17.9%
Crops47.1%
Built-up2.7%
Bare soil0.4%
Other (grassland, water…)31.9%

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

Hydrology4 basins · 0 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

31,2km

Basins crossed

4

Max stream order

7

Max drainage

39 714km²

Discharge in basins

9,5m³/s

Mean precip.

707mm/an

Mean T°

8,7°C

Moisture idx

-0,03

Max snow

18%

Mean runoff

339mm/an

Mean elev. (basins)

45m

Watersheds crossing here

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

Human pressure

Pop. density

2hab/km²

Night light

1,1nW

Built-up

273,7%

Pesticides

35,5kg/km²

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

Protected areas16

IUCN V · 8IUCN Not Reported · 5IUCN IV · 3
Complete list

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