HydroBASINS lev08 watershed · #2080053290
Bassin de Old River Ancholme
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 2 administrative regions : NA
Sub-basin area
551km²
Upstream area
551km²
Discharge
6,13m³/s
Mean elev.
32m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- NAEngland · United Kingdom280.1 km²50.6% of basin
- NAEngland · United Kingdom273.2 km²49.4% of basin
22 intersecting protected areas
Lincolnshire Wolds
IUCN VArea of Outstanding Natural Beauty
44.30 km² overlap
Risby Warren
IUCN IVSite of Special Scientific Interest
0.91 km² overlap
Linwood Warren
IUCN IVSite of Special Scientific Interest
0.26 km² overlap
Wrawby Moor
IUCN IVSite of Special Scientific Interest
0.18 km² overlap
Broughton Far Wood
IUCN IVSite of Special Scientific Interest
0.18 km² overlap
Nettleton Top
IUCN IVLocal Nature Reserve
0.09 km² overlap
Nettleton Chalk Pit
IUCN IVSite of Special Scientific Interest
0.08 km² overlap
Manton Stone Quarry
IUCN IVSite of Special Scientific Interest
0.08 km² overlap
Cleatham Quarry
IUCN IVSite of Special Scientific Interest
0.06 km² overlap
13 more protected areassorted by overlap area
Kingerby Beck Meadows
IUCN IVSite of Special Scientific Interest
0.06 km² overlap
Manton and Twigmoor
IUCN IVSite of Special Scientific Interest
0.05 km² overlap
Cliff House
IUCN IVSite of Special Scientific Interest
0.05 km² overlap
Normanby Meadow
IUCN IVSite of Special Scientific Interest
0.04 km² overlap
Humber Estuary
IUCN IVWetland of International Importance (Ramsar Site)
0.02 km² overlap
Humber Estuary
IUCN Not ReportedEmerald Network
0.02 km² overlap
Humber Estuary
IUCN Not ReportedEmerald Network
0.02 km² overlap
Humber Estuary
IUCN IVSite of Special Scientific Interest
0.02 km² overlap
Cliff Farm Pit
IUCN IVSite of Special Scientific Interest
0.01 km² overlap
Broughton Alder Wood
IUCN IVSite of Special Scientific Interest
0.01 km² overlap
Castlethorpe Tufas
IUCN IVSite of Special Scientific Interest
0.00 km² overlap
Humber Estuary
IUCN Not ReportedMarine Protected Area (OSPAR)
0.00 km² overlap
Humber Estuary
IUCN Not ReportedMarine Protected Area (OSPAR)
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
5 178 distinct species · 129 719 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Old River Ancholme : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 67 interactions GloBI sur 5 types (connectance 11.9%, filtre Serrano α=0.2). 10 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°
9,4°C
Annual rain
624mm
Moisture idx (CMI)
-0,04
Runoff
354mm/an
PET
647mm
AET
490mm
Mean slope
1,1°
Water table
76cm
Forest
0%
Crops
68%
Urban
2%
Protected
8%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)