Ontologia

District · DEU

Oldenburg (Kreisfreie Stadt)

Germany

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

Species observed

3 779

Observations

90 133

Area

103,7km²

Ecological tissue

Sample of 45 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 Oldenburg (Kreisfreie Stadt) : 35 espèces reliées par 95 interactions GloBI sur 6 types (connectance 9.6%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
45
Interactions affichées
95
Connectance
0.096
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

3 779 distinct species · 90 133 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

90 133 obs · 3 cellules
Obs. / cellule
≥ 42 434
42 434–42 433
42 434–42 433
24 920–42 433
< 24 920

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

848mm

Warmest m°

21,8°C

Coldest m°

-0,3°C

Elevation: 7 m on average (min -0 m, max 18 m)

Bioclimatic detailsExpert
Annual mean temp.
9,4°C
Annual rain
848mm
Warmest month
21,8°C
Coldest month
-0,3°C
Mean alt.
7m
Min
-0m
Max
18m
Std. dev.
4m
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

89,6g/kg

Clay

12,2%

Sand

67,4%

Silt

20,3%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
103,8g/kg
Clay
11,8%
Sand
66,9%
Silt
21,3%
5–15 cm
pH H₂O
5,5
Org. C
62,9g/kg
Clay
10,8%
Sand
69,0%
Silt
20,2%
15–30 cm
pH H₂O
5,5
Org. C
101,9g/kg
Clay
14,2%
Sand
66,5%
Silt
19,3%

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

Land cover

Forest13.8%
Crops21.8%
Built-up7.8%
Bare soil0.2%
Other (grassland, water…)56.3%

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

Hydrology1 basins · 4 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

33,7km

Lake surface here

0,89km²

Basins crossed

1

Max stream order

4

Max drainage

2 653km²

Discharge in basins

1,4m³/s

Mean precip.

782mm/an

Mean T°

8,7°C

Moisture idx

0,10

Max snow

13%

Mean runoff

438mm/an

Mean elev. (basins)

34m

Watersheds crossing here

Lakes (4, top by area)

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

Human pressure

Pop. density

8hab/km²

Night light

4,8nW

Built-up

780,9%

Pesticides

34,8kg/km²

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

Protected areas72

IUCN V · 56IUCN IV · 10IUCN Not Reported · 6🌊 Marine · 2

Hunteniederung

IUCN Not Reported

Special Protection Area (Birds Directive) · 2001

11 km²

Complete list

+ 12 protected areas (top 60 shown)

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

Sub-administrations1