Ontologia

Subdivision · DEU

Ohlenhard

Germany

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

Species observed

1 143

Observations

4 343

Area

5km²

Ecological tissue

Sample of 29 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 Ohlenhard : 14 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 145 interactions GloBI sur 6 types (connectance 29.2%, filtre Serrano α=0.2). 18 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
145
Connectance
0.292
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

1 143 distinct species · 4 343 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 343 obs · 1 cellules
Obs. / cellule
≥ 4 343
4 343–4 342
4 343–4 342
4 343–4 342
< 4 343

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

Climate

Mean T°

8,2°C

Annual rain

904mm

Warmest m°

20,3°C

Coldest m°

-2,2°C

Elevation: 457 m on average (min 436 m, max 511 m)

Bioclimatic detailsExpert
Annual mean temp.
8,2°C
Annual rain
904mm
Warmest month
20,3°C
Coldest month
-2,2°C
Mean alt.
457m
Min
436m
Max
511m
Std. dev.
15m
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

5,4

Org. C

59,3g/kg

Clay

26,2%

Sand

21,9%

Silt

51,9%

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
5,3
Org. C
99,7g/kg
Clay
25,6%
Sand
22,0%
Silt
52,5%
5–15 cm
pH H₂O
5,4
Org. C
54,5g/kg
Clay
25,3%
Sand
21,9%
Silt
52,8%
15–30 cm
pH H₂O
5,5
Org. C
23,6g/kg
Clay
27,6%
Sand
21,9%
Silt
50,5%

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

Land cover

Forest49.4%
Crops26.1%
Built-up0.3%
Bare soil0.2%
Other (grassland, water…)24.0%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

0,7km

Basins crossed

1

Max stream order

1

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

0hab/km²

Night light

0,0nW

Built-up

33,7%

Pesticides

28,4kg/km²

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

Protected areas7

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

Complete list

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