Ontologia

Subdivision · DEU

Gräfenhain

Germany

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

Species observed

807

Observations

1 450

Area

19,4km²

Ecological tissue

Sample of 34 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 Gräfenhain : 25 espèces reliées par 78 interactions GloBI sur 7 types (connectance 11.7%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
78
Connectance
0.117
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

807 distinct species · 1 450 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 450 obs · 1 cellules
Obs. / cellule
≥ 1 450
1 450–1 449
1 450–1 449
1 450–1 449
< 1 450

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

Climate

Mean T°

6,7°C

Annual rain

952mm

Warmest m°

19,7°C

Coldest m°

-4,7°C

Elevation: 616 m on average (min 380 m, max 844 m)

Bioclimatic detailsExpert
Annual mean temp.
6,7°C
Annual rain
952mm
Warmest month
19,7°C
Coldest month
-4,7°C
Mean alt.
616m
Min
380m
Max
844m
Std. dev.
110m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)Cold

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,3

Org. C

55,4g/kg

Clay

27,3%

Sand

24,9%

Silt

47,8%

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

Dominant lithology: scGLiMaggregated to Gotha

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
84,1g/kg
Clay
26,8%
Sand
25,0%
Silt
48,2%
5–15 cm
pH H₂O
5,3
Org. C
56,6g/kg
Clay
26,8%
Sand
24,8%
Silt
48,4%
15–30 cm
pH H₂O
5,4
Org. C
25,6g/kg
Clay
28,2%
Sand
24,9%
Silt
46,9%

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

Land cover

Forest72.8%
Crops8.0%
Built-up0.6%
Bare soil0.2%
Other (grassland, water…)18.4%

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

Hydrology2 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

0,5km

Lake surface here

0,31km²

Basins crossed

2

Max stream order

1

Max drainage

1 088km²

Discharge in basins

0,1m³/s

Mean precip.

618mm/an

Mean T°

7,5°C

Moisture idx

-0,16

Max snow

29%

Mean runoff

204mm/an

Mean elev. (basins)

393m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

55,7%

Pesticides

12,7kg/km²

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

Protected areas3

IUCN Not Reported · 2IUCN V · 1

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