Ontologia

District · DEU

Merzig-Wadern

Germany

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

Species observed

7 786

Observations

255 764

Area

556,7km²

Ecological tissue

Sample of 34 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-Wadern : 21 espèces reliées par 113 interactions GloBI sur 5 types (connectance 20.1%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
113
Connectance
0.201
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

7 786 distinct species · 255 764 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

255 764 obs · 30 cellules
Obs. / cellule
≥ 137 744
8 765–137 743
3 228–8 764
2 923–3 227
< 2 923

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

Climate

Mean T°

9,3°C

Annual rain

967mm

Warmest m°

22,3°C

Coldest m°

-1,6°C

Elevation: 318 m on average (min 149 m, max 636 m)

Bioclimatic detailsExpert
Annual mean temp.
9,3°C
Annual rain
967mm
Warmest month
22,3°C
Coldest month
-1,6°C
Mean alt.
318m
Min
149m
Max
636m
Std. dev.
77m
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

5,9

Org. C

45,1g/kg

Clay

28,3%

Sand

24,9%

Silt

46,8%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
74,1g/kg
Clay
27,6%
Sand
24,9%
Silt
47,5%
5–15 cm
pH H₂O
5,9
Org. C
39,5g/kg
Clay
28,5%
Sand
24,3%
Silt
47,2%
15–30 cm
pH H₂O
5,9
Org. C
21,8g/kg
Clay
28,9%
Sand
25,4%
Silt
45,7%

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

Land cover

Forest43.5%
Crops30.1%
Built-up1.6%
Bare soil0.3%
Other (grassland, water…)24.4%

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

Hydrology6 basins · 1 lakes · 22 rivers

Hydrology metrics for this exact territory

Stream length here

144,2km

Lake surface here

0,24km²

Basins crossed

6

Max stream order

5

Max drainage

24 086km²

Discharge in basins

104,9m³/s

Mean precip.

782mm/an

Mean T°

9,0°C

Moisture idx

0,01

Max snow

15%

Mean runoff

298mm/an

Mean elev. (basins)

323m

Rivers / streams (22, ord ≥ 4)

10 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

1,3nW

Built-up

159,2%

Pesticides

25,9kg/km²

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

Protected areas100

IUCN Not Reported · 42IUCN V · 40IUCN IV · 17IUCN Not Assigned · 1

Saar-Nied-Gau

IUCN Not Reported

Special Protection Area (Birds Directive) · 2006

18 km²

Complete list

+ 40 protected areas (top 60 shown)

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

Sub-administrations7