Ontologia

Subdivision · DEU

Zerf

Germany

CfbTemperate, no dry season, warm summer(92 %)

Species observed

905

Observations

1 925

Area

29,1km²

Ecological tissue

Sample of 36 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 Zerf : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 100 interactions GloBI sur 6 types (connectance 13.5%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
100
Connectance
0.135
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

905 distinct species · 1 925 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 925 obs · 1 cellules
Obs. / cellule
≥ 1 925
1 925–1 924
1 925–1 924
1 925–1 924
< 1 925

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

Climate

Mean T°

8,3°C

Annual rain

1 046mm

Warmest m°

21,0°C

Coldest m°

-2,2°C

Elevation: 484 m on average (min 372 m, max 626 m)

Bioclimatic detailsExpert
Annual mean temp.
8,3°C
Annual rain
1 046mm
Warmest month
21,0°C
Coldest month
-2,2°C
Mean alt.
484m
Min
372m
Max
626m
Std. dev.
72m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(92 %)Temperate

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

Soil & lithology

pH H₂O

5,8

Org. C

50,3g/kg

Clay

25,2%

Sand

29,2%

Silt

45,7%

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

Dominant lithology: suGLiMaggregated to Trier-Saarburg

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
81,5g/kg
Clay
25,5%
Sand
29,0%
Silt
45,5%
5–15 cm
pH H₂O
5,8
Org. C
45,5g/kg
Clay
25,0%
Sand
28,9%
Silt
46,1%
15–30 cm
pH H₂O
5,8
Org. C
24,1g/kg
Clay
24,9%
Sand
29,6%
Silt
45,4%

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

Land cover

Forest65.7%
Crops17.5%
Built-up0.5%
Bare soil0.2%
Other (grassland, water…)16.1%

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

Hydrology3 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

7,4km

Basins crossed

3

Max stream order

2

Max drainage

24 086km²

Discharge in basins

19,8m³/s

Mean precip.

794mm/an

Mean T°

8,6°C

Moisture idx

0,05

Max snow

15%

Mean runoff

287mm/an

Mean elev. (basins)

376m

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

47,5%

Pesticides

18,5kg/km²

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

Protected areas1

IUCN Not Reported · 1

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