Verordnung über die Landschaftsschutzgebiete im Landkreis Regensburg
IUCN VLandscape Protection Area · 1989
559 km²
Subdivision · DEU
Holzheim a. Forst
Germany
DfbCold, no dry season, warm summer(100 %)
Species observed
1 982
Observations
18 697
Area
15,7km²
Ecological tissue
Sample of 30 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 Holzheim a. Forst : 20 espèces reliées par 68 interactions GloBI sur 5 types (connectance 15.6%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
30
Interactions affichées
68
Connectance
0.156
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
1 982 distinct species · 18 697 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
8,9°C
Annual rain
709mm
Warmest m°
23,2°C
Coldest m°
-3,8°C
Elevation: 400 m on average (min 361 m, max 432 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
8,9°C
Annual rain
709mm
Warmest month
23,2°C
Coldest month
-3,8°C
Mean alt.
400m
Min
361m
Max
432m
Std. dev.
20m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,2
Org. C
29,2g/kg
Clay
26,8%
Sand
31,2%
Silt
42,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Regensburg
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,1
Org. C
46,0g/kg
Clay
25,0%
Sand
32,0%
Silt
43,0%
5–15 cm
pH H₂O
6,3
Org. C
26,3g/kg
Clay
27,6%
Sand
29,9%
Silt
42,3%
15–30 cm
pH H₂O
6,3
Org. C
15,4g/kg
Clay
27,6%
Sand
31,7%
Silt
40,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest31.5%
Crops45.9%
Built-up0.8%
Bare soil0.8%
Other (grassland, water…)21.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
1,2km
Basins crossed
3
Max stream order
1
Max drainage
5 483km²
Discharge in basins
2,2m³/s
Mean precip.
680mm/an
Mean T°
7,8°C
Moisture idx
-0,10
Max snow
27%
Mean runoff
299mm/an
Mean elev. (basins)
435m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,4nW
Built-up
77,9%
Pesticides
26,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN V · 1IUCN Not Reported · 1
Flanken des Naabdurchbruchtals zwischen Kallmünz und Mariaort
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
15 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN