Ontologia

Subdivision · DEU

Bolanden

Germany

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

Species observed

1 894

Observations

6 590

Area

17,6km²

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 Bolanden : 28 espèces reliées par 108 interactions GloBI sur 7 types (connectance 13.8%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
108
Connectance
0.139
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

1 894 distinct species · 6 590 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 590 obs · 1 cellules
Obs. / cellule
≥ 6 590
6 590–6 589
6 590–6 589
6 590–6 589
< 6 590

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

691mm

Warmest m°

23,1°C

Coldest m°

-1,6°C

Elevation: 282 m on average (min 217 m, max 464 m)

Bioclimatic detailsExpert
Annual mean temp.
9,6°C
Annual rain
691mm
Warmest month
23,1°C
Coldest month
-1,6°C
Mean alt.
282m
Min
217m
Max
464m
Std. dev.
53m
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

6,3

Org. C

32,3g/kg

Clay

26,5%

Sand

23,7%

Silt

49,8%

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

Dominant lithology: vbGLiMaggregated to Donnersbergkreis

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
55,3g/kg
Clay
25,6%
Sand
24,2%
Silt
50,3%
5–15 cm
pH H₂O
6,3
Org. C
26,0g/kg
Clay
27,1%
Sand
23,2%
Silt
49,7%
15–30 cm
pH H₂O
6,4
Org. C
15,7g/kg
Clay
26,7%
Sand
23,8%
Silt
49,5%

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

Land cover

Forest29.2%
Crops56.4%
Built-up0.9%
Bare soil0.5%
Other (grassland, water…)12.9%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

5,7km

Basins crossed

2

Max stream order

1

Max drainage

253km²

Discharge in basins

0,1m³/s

Mean precip.

662mm/an

Mean T°

8,9°C

Moisture idx

-0,13

Max snow

7%

Mean runoff

220mm/an

Mean elev. (basins)

260m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

1hab/km²

Night light

0,6nW

Built-up

94,9%

Pesticides

27,0kg/km²

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

Protected areas5

IUCN Not Reported · 2IUCN V · 2IUCN IV · 1

Donnersberg

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2005

81 km²

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