Aller (mit Barnbruch), untere Leine, untere Oker
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
180 km²
Subdivision · DEU
Buchholz (Aller)
Germany
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 043
Observations
2 756
Area
27,1km²
Ecological tissue
Sample of 32 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 Buchholz (Aller) : 16 espèces reliées par 140 interactions GloBI sur 6 types (connectance 22.2%, filtre Serrano α=0.2). 20 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
36
Interactions affichées
140
Connectance
0.222
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
1 043 distinct species · 2 756 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
9,6°C
Annual rain
760mm
Warmest m°
22,7°C
Coldest m°
-0,8°C
Elevation: 30 m on average (min 25 m, max 37 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
9,6°C
Annual rain
760mm
Warmest month
22,7°C
Coldest month
-0,8°C
Mean alt.
30m
Min
25m
Max
37m
Std. dev.
2m
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
5,7
Org. C
43,6g/kg
Clay
19,2%
Sand
52,5%
Silt
28,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Heidekreis
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,6
Org. C
68,7g/kg
Clay
18,1%
Sand
53,3%
Silt
28,6%
5–15 cm
pH H₂O
5,7
Org. C
34,9g/kg
Clay
17,4%
Sand
54,2%
Silt
28,3%
15–30 cm
pH H₂O
5,7
Org. C
27,3g/kg
Clay
22,1%
Sand
49,9%
Silt
28,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest28.6%
Crops43.2%
Built-up0.9%
Bare soil0.8%
Other (grassland, water…)26.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
4,2km
Basins crossed
1
Max stream order
5
Max drainage
7 817km²
Discharge in basins
0,2m³/s
Mean precip.
649mm/an
Mean T°
8,6°C
Moisture idx
-0,11
Max snow
16%
Mean runoff
239mm/an
Mean elev. (basins)
100m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,9nW
Built-up
92,4%
Pesticides
35,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas5
IUCN Not Reported · 2IUCN V · 2IUCN IV · 1
Untere Allerniederung
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2001
54 km²
Aller-Leinetal
IUCN VLandscape Protection Area · 2020
37 km²
Allertal bei Celle
IUCN VLandscape Protection Area · 2021
18 km²
Aller-Leinetal
IUCN IVNature Reserve · 2020
12 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN