Geest- und Marschlandschaft der Arlau
IUCN VLandscape Protection Area · 2018
56 km²
Subdivision · DEU
Struckum
Germany
CfbTemperate, no dry season, warm summer(100 %)
Species observed
690
Observations
13 691
Area
9km²
Ecological tissue
Sample of 31 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 Struckum : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 61 interactions GloBI sur 4 types (connectance 13.1%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
31
Interactions affichées
61
Connectance
0.131
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
690 distinct species · 13 691 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
8,8°C
Annual rain
845mm
Warmest m°
20,4°C
Coldest m°
-0,6°C
Elevation: 3 m on average (min 0 m, max 23 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
8,8°C
Annual rain
845mm
Warmest month
20,4°C
Coldest month
-0,6°C
Mean alt.
3m
Min
0m
Max
23m
Std. dev.
4m
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
6,0
Org. C
84,9g/kg
Clay
32,5%
Sand
33,6%
Silt
33,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Nordfriesland
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,9
Org. C
98,2g/kg
Clay
32,4%
Sand
34,3%
Silt
33,2%
5–15 cm
pH H₂O
6,0
Org. C
67,8g/kg
Clay
31,5%
Sand
34,9%
Silt
33,7%
15–30 cm
pH H₂O
6,0
Org. C
88,6g/kg
Clay
33,7%
Sand
31,7%
Silt
34,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest5.1%
Crops64.5%
Built-up1.0%
Bare soil0.3%
Other (grassland, water…)29.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
0,3km
Basins crossed
1
Max stream order
1
Max drainage
2 054km²
Discharge in basins
0,0m³/s
Mean precip.
827mm/an
Mean T°
8,2°C
Moisture idx
0,30
Max snow
16%
Mean runoff
570mm/an
Mean elev. (basins)
6m
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
0,3nW
Built-up
96,7%
Pesticides
35,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN V · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN