Schutz von Landschaftsteilen an der Isar und deren Mündungsgebiet im Landkreis Deggendorf (LSG "Untere Isar")
IUCN VLandscape Protection Area · 1973
33 km²
Subdivision · DEU
Aholming
Germany
CfbTemperate, no dry season, warm summer(89 %)
Species observed
754
Observations
4 966
Area
29,6km²
Ecological tissue
Sample of 35 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 Aholming : 25 espèces reliées par 101 interactions GloBI sur 3 types (connectance 17.0%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
35
Interactions affichées
101
Connectance
0.170
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
754 distinct species · 4 966 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
9,6°C
Annual rain
842mm
Warmest m°
23,9°C
Coldest m°
-3,9°C
Elevation: 324 m on average (min 316 m, max 334 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
9,6°C
Annual rain
842mm
Warmest month
23,9°C
Coldest month
-3,9°C
Mean alt.
324m
Min
316m
Max
334m
Std. dev.
5m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(89 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,7
Org. C
26,5g/kg
Clay
25,1%
Sand
22,2%
Silt
52,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Deggendorf
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,5
Org. C
41,7g/kg
Clay
24,1%
Sand
22,0%
Silt
53,9%
5–15 cm
pH H₂O
6,8
Org. C
21,8g/kg
Clay
26,0%
Sand
20,0%
Silt
54,0%
15–30 cm
pH H₂O
6,8
Org. C
16,2g/kg
Clay
25,3%
Sand
24,5%
Silt
50,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest7.0%
Crops72.3%
Built-up1.1%
Bare soil0.5%
Other (grassland, water…)19.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 2 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
4,8km
Lake surface here
0,25km²
Basins crossed
2
Max stream order
5
Max drainage
47 593km²
Discharge in basins
4,6m³/s
Mean precip.
824mm/an
Mean T°
8,1°C
Moisture idx
0,05
Max snow
20%
Mean runoff
403mm/an
Mean elev. (basins)
409m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,5nW
Built-up
109,3%
Pesticides
28,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas6
IUCN Not Reported · 4IUCN V · 1IUCN IV · 1
Isarmündung
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2006
21 km²
Isarmündung
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
19 km²
Untere Isar zwischen Landau und Plattling
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
14 km²
Untere Isar oberhalb Mündung
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2006
10 km²
Isaraltwasser bei Neutiefenweg
IUCN IVNature Reserve · 1984
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN