HydroBASINS lev08 watershed · #2080023860
Bassin de Friedeburger Tief
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 6 administrative regions : Ammerland, Aurich, Friesland, Leer, Wilhelmshaven +1
Sub-basin area
456,1km²
Upstream area
456,1km²
Discharge
5,82m³/s
Mean elev.
4m
Administrative coverage
6 dept-equivalent regions (GADM L2)
- 220.8 km²48.2% of basin
- Wittmund151.9 km²33.2% of basin
- Wilhelmshaven48.4 km²10.6% of basin
- Aurich33.3 km²7.3% of basin
- 3.4 km²0.7% of basin
- 0.1 km²0.0% of basin
30 intersecting protected areas
Niedersächsisches Wattenmeer
IUCN Not Assignedbiosphere reserve
219.91 km² overlap
Niedersächsisches Wattenmeer, Entwicklungszone
IUCN Not Assignedbiosphere reserve - transition area
219.43 km² overlap
Marschen am Jadebusen
IUCN Not ReportedSpecial Protection Area (Birds Directive)
7.76 km² overlap
Landscape Protection Area
7.48 km² overlap
Neuenburger Holz
IUCN IVNature Reserve
6.80 km² overlap
Neuenburger Holz
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
6.64 km² overlap
Neuenburger Holz
IUCN VLandscape Protection Area
3.48 km² overlap
Wetland of International Importance (Ramsar Site)
3.26 km² overlap
Teichfledermausgewässer
IUCN VLandscape Protection Area
2.92 km² overlap
21 more protected areassorted by overlap area
Lengener Meer, Stapeler Moor, Baasenmeers-Moor
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.84 km² overlap
Stapeler Moor und Umgebung
IUCN IVNature Reserve
2.77 km² overlap
Feldhausen-Barkel
IUCN VLandscape Protection Area
2.12 km² overlap
Teichfledermaus-Habitate im Raum Wilhelmshaven
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.99 km² overlap
Landscape Protection Area
1.98 km² overlap
Bockhorner Moor
IUCN IVNature Reserve
1.28 km² overlap
Neudorfer Moor
IUCN IVNature Reserve
1.19 km² overlap
Upjever und Sumpfmoor Dose
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.19 km² overlap
Stadtpark
IUCN VLandscape Protection Area
1.19 km² overlap
Upjever und Sumpfmoor Dose
IUCN IVNature Reserve
1.16 km² overlap
Klosterhof Grabhorn
IUCN VLandscape Protection Area
1.13 km² overlap
Hessens
IUCN VLandscape Protection Area
1.10 km² overlap
Zeteler Esch
IUCN VLandscape Protection Area
1.04 km² overlap
Driefeler Wiesen
IUCN IVNature Reserve
0.66 km² overlap
Wadden Sea
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
0.60 km² overlap
Niedersächsisches Wattenmeer und angrenzendes Küstenmeer
IUCN Not ReportedSpecial Protection Area (Birds Directive)
0.57 km² overlap
Nationalpark Niedersächsisches Wattenmeer
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.57 km² overlap
Nature Reserve
0.53 km² overlap
Niedersächsisches Wattenmeer
IUCN IINational Park
0.50 km² overlap
Niedersächsisches Wattenmeer, Kernzone
IUCN Not Assignedbiosphere reserve - core area
0.48 km² overlap
Kollrunger Moor
IUCN IVNature Reserve
0.29 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 530 distinct species · 37 779 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Bassin de Friedeburger Tief : 26 espèces reliées par 105 interactions GloBI sur 6 types (connectance 14.9%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
8,6°C
Annual rain
783mm
Moisture idx (CMI)
0,20
Runoff
489mm/an
PET
624mm
AET
514mm
Mean slope
0,3°
Water table
10cm
Forest
2%
Crops
23%
Urban
12%
Protected
8%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)