Ontologia

District · DEU

Alzey-Worms

Germany

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

Species observed

5 022

Observations

158 149

Area

588km²

Ecological tissue

Sample of 39 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 Alzey-Worms : 31 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 86 interactions GloBI sur 6 types (connectance 11.6%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
86
Connectance
0.116
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

5 022 distinct species · 158 149 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

158 149 obs · 18 cellules
Obs. / cellule
≥ 36 303
29 598–36 302
6 175–29 597
5 217–6 174
< 5 217

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

Climate

Mean T°

10,1°C

Annual rain

624mm

Warmest m°

23,9°C

Coldest m°

-1,4°C

Elevation: 184 m on average (min 85 m, max 335 m)

Bioclimatic detailsExpert
Annual mean temp.
10,1°C
Annual rain
624mm
Warmest month
23,9°C
Coldest month
-1,4°C
Mean alt.
184m
Min
85m
Max
335m
Std. dev.
58m
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

7,3

Org. C

26,1g/kg

Clay

29,7%

Sand

17,1%

Silt

53,1%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,1
Org. C
45,7g/kg
Clay
29,6%
Sand
17,2%
Silt
53,2%
5–15 cm
pH H₂O
7,4
Org. C
18,7g/kg
Clay
30,8%
Sand
16,5%
Silt
52,7%
15–30 cm
pH H₂O
7,3
Org. C
14,0g/kg
Clay
28,8%
Sand
17,6%
Silt
53,6%

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

Land cover

Forest6.6%
Crops69.2%
Built-up1.6%
Bare soil1.8%
Other (grassland, water…)20.9%

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

Hydrology8 basins · 5 lakes · 20 rivers

Hydrology metrics for this exact territory

Stream length here

130,7km

Lake surface here

1,46km²

Basins crossed

8

Max stream order

7

Max drainage

70 007km²

Discharge in basins

1 439,3m³/s

Mean precip.

620mm/an

Mean T°

9,2°C

Moisture idx

-0,20

Max snow

11%

Mean runoff

209mm/an

Mean elev. (basins)

193m

Watersheds crossing here

Lakes (5, top by area)

Rivers / streams (20, ord ≥ 4)

8 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

1,2nW

Built-up

158,4%

Pesticides

27,1kg/km²

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

Protected areas40

IUCN IV · 21IUCN Not Reported · 12IUCN V · 7

Selztal

IUCN V

Landscape Protection Area · 1990

31 km²

Complete list

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

Sub-administrations30