Ontologia

Subdivision · DEU

Dernau

Germany

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

Species observed

1 719

Observations

6 022

Area

5,7km²

Ecological tissue

Sample of 41 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 Dernau : 28 espèces reliées par 102 interactions GloBI sur 6 types (connectance 11.8%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
102
Connectance
0.118
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

1 719 distinct species · 6 022 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 022 obs · 1 cellules
Obs. / cellule
≥ 6 022
6 022–6 021
6 022–6 021
6 022–6 021
< 6 022

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

727mm

Warmest m°

22,0°C

Coldest m°

-1,1°C

Elevation: 245 m on average (min 183 m, max 408 m)

Bioclimatic detailsExpert
Annual mean temp.
9,4°C
Annual rain
727mm
Warmest month
22,0°C
Coldest month
-1,1°C
Mean alt.
245m
Min
183m
Max
408m
Std. dev.
65m
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

37,5g/kg

Clay

24,8%

Sand

19,5%

Silt

55,7%

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

Dominant lithology: vbGLiMaggregated to Ahrweiler

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
55,8g/kg
Clay
24,0%
Sand
19,3%
Silt
56,6%
5–15 cm
pH H₂O
5,7
Org. C
36,6g/kg
Clay
24,4%
Sand
19,1%
Silt
56,6%
15–30 cm
pH H₂O
5,8
Org. C
20,0g/kg
Clay
26,0%
Sand
20,2%
Silt
53,9%

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

Land cover

Forest52.3%
Crops16.6%
Built-up1.8%
Bare soil0.7%
Other (grassland, water…)28.7%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

2,7km

Basins crossed

1

Max stream order

3

Max drainage

902km²

Discharge in basins

0,0m³/s

Mean precip.

866mm/an

Mean T°

8,0°C

Moisture idx

0,22

Max snow

18%

Mean runoff

264mm/an

Mean elev. (basins)

411m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

2hab/km²

Night light

2,3nW

Built-up

179,4%

Pesticides

18,9kg/km²

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

Protected areas3

IUCN Not Reported · 2IUCN V · 1

Ahrgebirge

IUCN Not Reported

Special Protection Area (Birds Directive) · 2004

304 km²

Ahrtal

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2005

17 km²

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