Subdivision · DEU
Alkersum
Germany
Species observed
1 126
Observations
6 227
Area
8,9km²
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).
Indicateurs du tissu écologique
Tissu écologique de Alkersum : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 116 interactions GloBI sur 5 types (connectance 14.9%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 126 distinct species · 6 227 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
9,3°C
Annual rain
808mm
Warmest m°
18,3°C
Coldest m°
1,2°C
Elevation: 2 m on average (min 0 m, max 8 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Hydrology1 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
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
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10