Special Protection Area (Birds Directive) · deu
Untere Allerniederung
- Area
- 54 km²
- IUCN cat.
- Not Reported
- Year
- 2001
Overview
- Designation
- Special Protection Area (Birds Directive)
- Established
- 2001
- Managing authority
- See European Environment Agency Geospatial Data Catalogue for more information - https://sdi.eea.europa.eu/catalogue/srv/api/records/be2142b0-7dc4-42e3-afac-f7cc5f1a9ac6
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
793 distinct species · 1 520 observations
Source: GBIF Occurrence snapshot 2026-05-01.
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 Untere Allerniederung : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 121 interactions GloBI sur 6 types (connectance 16.3%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology5 basins · 0 lakes · 21 rivers
Hydrology metrics for this exact territory
Stream length here
62,7km
Basins crossed
5
Max stream order
7
Max drainage
39 714km²
Discharge in basins
3,9m³/s
Mean precip.
691mm/an
Mean T°
8,6°C
Moisture idx
-0,05
Max snow
18%
Mean runoff
309mm/an
Mean elev. (basins)
59m
Watersheds crossing here
Rivers / streams (21, ord ≥ 4)
- Allerord 6len here19.10 km15%total128 km
- Mühlmeißeord 6len here12.40 km96%total13 km
- Esseler Kanalord 5len here7.91 km78%total10 km
- Leineord 5len here4.33 km2%total206 km
- Alte Allerord 6len here3.31 km52%total6 km
- Ringgrabenord 6len here3.26 km91%total4 km
- Halsebachord 6len here2.47 km100%total2 km
- Schleusenkanal Langwedelord 7len here1.39 km86%total2 km
- Marschgrabenord 6len here1.37 km43%total3 km
- Häuslinger Hauptvorfluterord 3len here1.08 km79%total1 km
- Wölpeord 2len here1.07 km8%total13 km
- Alpegrabenord 2len here0.93 km12%total8 km
9 more river segmentssorted by Strahler order + length
- Barnstedter Grabenord 1len here0.83 km47%total2 km
- Hutberger Grabenord 6len here0.74 km13%total6 km
- Böhmeord 3len here0.72 km2%total34 km
- Holzweggrabenord 6len here0.45 km18%total2 km
- Wiehegrabenord 1len here0.44 km5%total10 km
- Lindhopper Grabenord 2len here0.40 km10%total4 km
- Ortfeldgrabenord 1len here0.37 km5%total7 km
- Sielgrabenord 2len here0.12 km2%total7 km
- Heidlandgrabenord 3len here0.06 km5%total1 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 52.75770, 9.57036
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.