HydroBASINS lev08 watershed · #2080024920
Bassin de Rørbæk
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 4 administrative regions : Brønderslev, Hjørring, Jammerbugt, Thisted
Sub-basin area
626,4km²
Upstream area
626,4km²
Discharge
6,35m³/s
Mean elev.
16m
Administrative coverage
4 dept-equivalent regions (GADM L2)
- 285.4 km²45.3% of basin
- 193.4 km²30.7% of basin
- 89.5 km²14.2% of basin
- 23.5 km²3.7% of basin
30 intersecting protected areas
Thisted Kommune public
IUCN IV§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
123.55 km² overlap
Hanstholm Reservatet, Nors Sø og Vandet Sø
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
55.02 km² overlap
Hanstholm Reservatet
IUCN Not ReportedSpecial Protection Area (Birds Directive)
54.19 km² overlap
Jammerbugt Kommune private
IUCN Not Assigned§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
40.83 km² overlap
Hansted reservatet
IUCN IVProtected by conservation order, excl. Church surroundings
34.16 km² overlap
Jammerbugt Kommune public
IUCN IV§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
30.72 km² overlap
Thisted Kommune private
IUCN Not Assigned§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
30.51 km² overlap
Protected by conservation order, excl. Church surroundings
29.65 km² overlap
Klitheder mellem Stenbjerg og Lodbjerg
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
27.59 km² overlap
21 more protected areassorted by overlap area
Klitheder mellem Stenbjerg og Lodbjerg
IUCN Not ReportedSpecial Protection Area (Birds Directive)
25.02 km² overlap
Vangså Hede
IUCN Not ReportedSpecial Protection Area (Birds Directive)
21.99 km² overlap
Vangså Hede
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
21.99 km² overlap
Tved Plantage Nors Sø
IUCN VProtected by conservation order, excl. Church surroundings
19.47 km² overlap
Ejstrup klit og Egvands Bakker
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
17.65 km² overlap
Lyngby - Flade Sø
IUCN IVProtected by conservation order, excl. Church surroundings
15.44 km² overlap
Agger Tange, Nissum Bredning, Skibsted Fjord og Agerø
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
13.49 km² overlap
Agger Tange
IUCN Not ReportedSpecial Protection Area (Birds Directive)
13.48 km² overlap
Nissum Bredning with Harboore and Agger Tange
IUCN Not ReportedWetland of International Importance (Ramsar Site)
13.06 km² overlap
Hjørring Kommune private
IUCN Not Assigned§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
12.94 km² overlap
Lild Strand og Lild Strandkær
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
11.90 km² overlap
Svinkløv Klitplantage og Grønne Strand
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
11.44 km² overlap
Lien med Underlien
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
10.58 km² overlap
Vangså, område ved
IUCN IVProtected by conservation order, excl. Church surroundings
10.53 km² overlap
Løgstør Bredning, Vejlerne og Bulbjerg
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
9.87 km² overlap
Vandet Sø
IUCN IVProtected by conservation order, excl. Church surroundings
8.15 km² overlap
Protected by conservation order, excl. Church surroundings
7.63 km² overlap
Stenbjerg - Vorupør
IUCN IVProtected by conservation order, excl. Church surroundings
6.59 km² overlap
Førby Sø
IUCN VProtected by conservation order, excl. Church surroundings
6.18 km² overlap
Hanstholmknuden
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
5.68 km² overlap
Lild Klit
IUCN IVProtected by conservation order, excl. Church surroundings
5.38 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
7 394 distinct species · 593 346 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 Rørbæk : 18 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 76 interactions GloBI sur 4 types (connectance 18.7%, filtre Serrano α=0.2). 11 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°
7,6°C
Annual rain
795mm
Moisture idx (CMI)
0,33
Runoff
615mm/an
PET
529mm
AET
444mm
Mean slope
0,8°
Water table
59cm
Forest
38%
Crops
36%
Urban
0%
Protected
49%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)