Ontologia

Subdivision · DEU

Merzig

Germany

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

Species observed

1 929

Observations

12 136

Area

108,5km²

Ecological tissue

Sample of 38 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 Merzig : 24 espèces reliées par 125 interactions GloBI sur 6 types (connectance 17.8%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
125
Connectance
0.178
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

1 929 distinct species · 12 136 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

12 136 obs · 4 cellules
Obs. / cellule
≥ 5 298
5 298–5 297
3 198–5 297
3 198–3 197
< 3 198

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

Climate

Mean T°

9,6°C

Annual rain

934mm

Warmest m°

22,7°C

Coldest m°

-1,4°C

Elevation: 273 m on average (min 171 m, max 388 m)

Bioclimatic detailsExpert
Annual mean temp.
9,6°C
Annual rain
934mm
Warmest month
22,7°C
Coldest month
-1,4°C
Mean alt.
273m
Min
171m
Max
388m
Std. dev.
57m
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

5,8

Org. C

49,3g/kg

Clay

28,7%

Sand

22,9%

Silt

48,4%

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

Dominant lithology: ssGLiMaggregated to Merzig-Wadern

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
86,9g/kg
Clay
27,9%
Sand
23,0%
Silt
49,1%
5–15 cm
pH H₂O
5,9
Org. C
40,3g/kg
Clay
29,3%
Sand
22,1%
Silt
48,6%
15–30 cm
pH H₂O
5,9
Org. C
20,7g/kg
Clay
28,9%
Sand
23,5%
Silt
47,5%

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

Land cover

Forest39.2%
Crops31.3%
Built-up2.2%
Bare soil0.4%
Other (grassland, water…)27.0%

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

Hydrology3 basins · 0 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

25,1km

Basins crossed

3

Max stream order

5

Max drainage

7 351km²

Discharge in basins

21,9m³/s

Mean precip.

778mm/an

Mean T°

9,1°C

Moisture idx

-0,00

Max snow

12%

Mean runoff

298mm/an

Mean elev. (basins)

303m

Watersheds crossing here

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

Human pressure

Pop. density

2hab/km²

Night light

1,7nW

Built-up

216,1%

Pesticides

26,8kg/km²

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

Protected areas28

IUCN V · 12IUCN Not Reported · 11IUCN IV · 5

Saar-Nied-Gau

IUCN Not Reported

Special Protection Area (Birds Directive) · 2006

18 km²

Steilhänge der Saar

IUCN Not Reported

Site of Community Importance (Habitats Directive) · 2004

11 km²

Complete list

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