Ontologia

District · DEU

Ahrweiler

Germany

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

Species observed

7 941

Observations

121 946

Area

787km²

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 Ahrweiler : 15 espèces reliées par 126 interactions GloBI sur 6 types (connectance 27.1%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
126
Connectance
0.271
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

7 941 distinct species · 121 946 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

121 946 obs · 26 cellules
Obs. / cellule
≥ 20 655
8 987–20 654
6 022–8 986
2 970–6 021
< 2 970

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

Climate

Mean T°

8,9°C

Annual rain

771mm

Warmest m°

21,3°C

Coldest m°

-1,6°C

Elevation: 342 m on average (min 56 m, max 613 m)

Bioclimatic detailsExpert
Annual mean temp.
8,9°C
Annual rain
771mm
Warmest month
21,3°C
Coldest month
-1,6°C
Mean alt.
342m
Min
56m
Max
613m
Std. dev.
129m
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

5,6

Org. C

48,1g/kg

Clay

25,8%

Sand

21,2%

Silt

53,0%

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

Dominant lithology: vbGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
76,5g/kg
Clay
25,0%
Sand
21,3%
Silt
53,7%
5–15 cm
pH H₂O
5,6
Org. C
45,5g/kg
Clay
25,6%
Sand
20,9%
Silt
53,6%
15–30 cm
pH H₂O
5,7
Org. C
22,2g/kg
Clay
27,0%
Sand
21,3%
Silt
51,7%

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

Land cover

Forest50.6%
Crops26.2%
Built-up1.1%
Bare soil0.4%
Other (grassland, water…)21.8%

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

Hydrology6 basins · 1 lakes · 29 rivers

Hydrology metrics for this exact territory

Stream length here

194,6km

Lake surface here

3,25km²

Basins crossed

6

Max stream order

7

Max drainage

140 600km²

Discharge in basins

1 450,5m³/s

Mean precip.

836mm/an

Mean T°

8,3°C

Moisture idx

0,17

Max snow

18%

Mean runoff

260mm/an

Mean elev. (basins)

360m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (29, ord ≥ 4)

17 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

0,9nW

Built-up

110,4%

Pesticides

24,5kg/km²

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

Protected areas71

IUCN IV · 36IUCN Not Reported · 19IUCN V · 16

Ahrgebirge

IUCN Not Reported

Special Protection Area (Birds Directive) · 2004

304 km²

Kehlberg

IUCN V

Landscape Protection Area · 1984

97 km²

Complete list

+ 11 protected areas (top 60 shown)

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

Sub-administrations57