Ontologia

Subdivision · DEU

Großefehn

Germany

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

Species observed

1 187

Observations

6 249

Area

127,1km²

Ecological tissue

Sample of 35 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 Großefehn : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 128 interactions GloBI sur 5 types (connectance 18.2%, filtre Serrano α=0.2). 18 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
128
Connectance
0.182
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

1 187 distinct species · 6 249 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 249 obs · 6 cellules
Obs. / cellule
≥ 1 794
1 794–1 793
1 331–1 793
912–1 330
< 912

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

Climate

Mean T°

9,3°C

Annual rain

854mm

Warmest m°

21,2°C

Coldest m°

-0,2°C

Elevation: 5 m on average (min -1 m, max 10 m)

Bioclimatic detailsExpert
Annual mean temp.
9,3°C
Annual rain
854mm
Warmest month
21,2°C
Coldest month
-0,2°C
Mean alt.
5m
Min
-1m
Max
10m
Std. dev.
2m
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

87,7g/kg

Clay

19,2%

Sand

50,0%

Silt

30,8%

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

Dominant lithology: suGLiMaggregated to Aurich

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
102,0g/kg
Clay
18,1%
Sand
51,1%
Silt
30,8%
5–15 cm
pH H₂O
5,7
Org. C
61,5g/kg
Clay
17,8%
Sand
52,0%
Silt
30,3%
15–30 cm
pH H₂O
5,7
Org. C
99,6g/kg
Clay
21,6%
Sand
47,0%
Silt
31,4%

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

Land cover

Forest10.8%
Crops50.7%
Built-up1.3%
Bare soil0.3%
Other (grassland, water…)37.0%

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

Hydrology1 basins · 2 lakes · 11 rivers

Hydrology metrics for this exact territory

Stream length here

45,5km

Lake surface here

0,15km²

Basins crossed

1

Max stream order

2

Max drainage

12 103km²

Discharge in basins

39,9m³/s

Mean precip.

784mm/an

Mean T°

8,8°C

Moisture idx

0,20

Max snow

13%

Mean runoff

463mm/an

Mean elev. (basins)

2m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,3nW

Built-up

128,5%

Pesticides

35,7kg/km²

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

Protected areas13

IUCN V · 7IUCN Not Reported · 3IUCN IV · 3

Fehntjer Tief

IUCN Not Reported

Special Protection Area (Birds Directive) · 2001

23 km²

Oldehave

IUCN V

Landscape Protection Area · 2021

6 km²

Complete list

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