Ontologia

Subdivision · DEU

Holsthum

Germany

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

Species observed

1 267

Observations

3 920

Area

9,3km²

Ecological tissue

Sample of 33 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 Holsthum : 26 espèces reliées par 91 interactions GloBI sur 5 types (connectance 17.2%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
91
Connectance
0.172
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

1 267 distinct species · 3 920 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 920 obs · 1 cellules
Obs. / cellule
≥ 3 920
3 920–3 919
3 920–3 919
3 920–3 919
< 3 920

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

Climate

Mean T°

9,2°C

Annual rain

818mm

Warmest m°

22,1°C

Coldest m°

-1,5°C

Elevation: 294 m on average (min 226 m, max 387 m)

Bioclimatic detailsExpert
Annual mean temp.
9,2°C
Annual rain
818mm
Warmest month
22,1°C
Coldest month
-1,5°C
Mean alt.
294m
Min
226m
Max
387m
Std. dev.
54m
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

6,7

Org. C

30,0g/kg

Clay

26,2%

Sand

27,3%

Silt

46,5%

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

Dominant lithology: mtGLiMaggregated to Eifelkreis Bitburg-Prüm

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
47,2g/kg
Clay
25,3%
Sand
27,9%
Silt
46,8%
5–15 cm
pH H₂O
6,8
Org. C
26,6g/kg
Clay
27,0%
Sand
25,8%
Silt
47,3%
15–30 cm
pH H₂O
6,8
Org. C
16,3g/kg
Clay
26,3%
Sand
28,3%
Silt
45,6%

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

Land cover

Forest46.7%
Crops29.1%
Built-up0.6%
Bare soil0.5%
Other (grassland, water…)23.2%

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

Hydrology1 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

4,8km

Basins crossed

1

Max stream order

3

Max drainage

886km²

Discharge in basins

0,1m³/s

Mean precip.

863mm/an

Mean T°

7,9°C

Moisture idx

0,21

Max snow

14%

Mean runoff

352mm/an

Mean elev. (basins)

432m

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

59,4%

Pesticides

28,2kg/km²

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

Protected areas1

IUCN Not Reported · 1

Ferschweiler Plateau

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2005

24 km²

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