Ontologia

Subdivision · DEU

Bretzenheim

Germany

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

Species observed

1 317

Observations

5 587

Area

5,9km²

Ecological tissue

Sample of 40 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 Bretzenheim : 27 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 111 interactions GloBI sur 5 types (connectance 14.2%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
111
Connectance
0.142
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

1 317 distinct species · 5 587 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 587 obs · 1 cellules
Obs. / cellule
≥ 5 587
5 587–5 586
5 587–5 586
5 587–5 586
< 5 587

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

Climate

Mean T°

10,3°C

Annual rain

624mm

Warmest m°

24,0°C

Coldest m°

-1,3°C

Elevation: 130 m on average (min 94 m, max 195 m)

Bioclimatic detailsExpert
Annual mean temp.
10,3°C
Annual rain
624mm
Warmest month
24,0°C
Coldest month
-1,3°C
Mean alt.
130m
Min
94m
Max
195m
Std. dev.
24m
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

7,1

Org. C

24,8g/kg

Clay

30,9%

Sand

16,3%

Silt

52,8%

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

Dominant lithology: mtGLiMaggregated to Bad Kreuznach

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,8
Org. C
43,7g/kg
Clay
30,7%
Sand
16,4%
Silt
52,7%
5–15 cm
pH H₂O
7,2
Org. C
18,2g/kg
Clay
32,3%
Sand
15,5%
Silt
52,2%
15–30 cm
pH H₂O
7,2
Org. C
12,6g/kg
Clay
29,6%
Sand
16,9%
Silt
53,3%

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

Land cover

Forest11.3%
Crops52.6%
Built-up3.0%
Bare soil1.2%
Other (grassland, water…)31.9%

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

Hydrology1 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

3,6km

Basins crossed

1

Max stream order

5

Max drainage

3 787km²

Discharge in basins

0,3m³/s

Mean precip.

675mm/an

Mean T°

8,4°C

Moisture idx

-0,08

Max snow

11%

Mean runoff

205mm/an

Mean elev. (basins)

318m

Watersheds crossing here

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

Human pressure

Pop. density

2hab/km²

Night light

1,8nW

Built-up

301,4%

Pesticides

28,4kg/km²

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

Protected areas3

IUCN Not Reported · 2IUCN IV · 1

Nahetal

IUCN Not Reported

Special Protection Area (Birds Directive) · 2004

128 km²

Untere Nahe

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2005

3 km²

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