Eccup Reservoir

Site of Special Scientific Interest · 53.8707, -1.5461

Also within

West Yorkshire County

Condition (Natural England)

Favourable (6)
UnitFeatureConditionArea (ha)Assessed
SE293415 Favourable 24.93 2022-05-24
SE297412 Favourable 24.93 2022-05-24
SE299417 Favourable 91.3 2022-05-24
SE302414 Favourable 24.93 2022-05-24
SE306411 Favourable 24.93 2022-05-24
SE308415 Favourable 24.93 2022-05-24

Geology & landscape

Rock Type: Millstone Grit

Birds & fish recorded

Birds

SpeciesSeason
common sandpiper Breeding
common sandpiper Passage
curlew Breeding
curlew Passage
curlew Wintering
dunlin Breeding
dunlin Passage
dunlin Wintering
goldeneye Breeding
goldeneye Wintering
goosander Breeding
goosander Passage
goosander Wintering
green sandpiper Breeding
green sandpiper Passage
green sandpiper Wintering
greylag goose Breeding
greylag goose Passage
greylag goose Wintering
mallard Breeding
mallard Wintering
pochard Breeding
pochard Wintering
redshank Breeding
redshank Passage
redshank Wintering
ruddy duck Breeding
ruddy duck Passage
ruddy duck Wintering
shelduck Breeding
shelduck Passage
shelduck Wintering
shoveler Breeding
shoveler Passage
shoveler Wintering
teal Breeding
teal Wintering
tufted duck Breeding
tufted duck Wintering
wigeon Breeding
wigeon Wintering

Description

Area, 114.5 hectares 282.9 ac Description Eccup Reservoir is located 5 miles north of Leeds City Centre at an altitude of 122 metres AOD and lies midway between the Aire and Wharfe river systems. The underlying geology of the reservoir is East Carlton Grit of the Millstone Grit series. Eccup Reservoir was originally constructed in 1830 and enlarged to its present size in 1897. It is the largest single stretch of water in West Yorkshire. Water for the reservoir is supplied from the River Ouse and several upland reservoirs. The vegetation in the reservoir is largely confined to the western end. The submerged vegetation comprises shore weed and amphibious bistort. The fringing vegetation includes stands of bulrush and common spike rush with scattered beds of bottle sedge Carex rostrata and bladder sedge Carex vesicaria. Bladder sedge is only recorded from two other locations in West Yorkshire and is therefore locally scarce in the county. Eccup Reservoir has long been a site of major attraction for wildfowl and other water birds and the earliest documented records date from the 1920's. The reservoir supports regular populations of wintering wildfowl including wigeon, teal, pochard and goldeneye. Large numbers of mallard and tufted duck are present throughout the year and mallard breed at Eccup. The most significant population of wintering wildfowl is the goosander. On average Eccupholds between 12 percent of the estimated total wintering population of goosander in the British Isles. The Eccup population is therefore of national importance and is currently the fourth largest population in the British Isles. Many other species of birds are recorded as regular visitors and passage migrants. These include wildfowl such as shelduck, shoveler, ruddy duck and greylag goose and wading birds such as dunlin and green sandpiper. curlew, redshank and common sandpiper are seen on the reservoir and breed locally. Eccup Reservoir is on the trans Pennine bird migration route and its size and location make it avery attractive site for wintering birds and passage migrants. Its recognised national significance for goosander makes it the most important open water area for wildfowl in West Yorkshire.

Species mentioned

English name
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Latin name
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IUCN / Red List Type Family
teal Anas crecca LC (NonBreeding), LC (Breeding) bird-duck anatidae
mallard Anas platyrhynchos NT (NonBreeding), LC (Breeding) bird-duck anatidae
pochard Aythya ferina EN (NonBreeding), EN (Breeding) bird-duck anatidae
tufted duck Aythya fuligula LC (NonBreeding), LC (Breeding) bird-duck anatidae
goldeneye Bucephala clangula VU (NonBreeding), VU (Breeding) bird-duck anatidae
wigeon Mareca penelope LC (NonBreeding), NT (Breeding) bird-duck anatidae
goosander Mergus merganser LC (NonBreeding) bird-duck anatidae
ruddy duck Oxyura jamaicensis Not listed in GB list bird-duck anatidae
shoveler Spatula clypeata LC (NonBreeding), LC (Breeding) bird-duck anatidae
shelduck Tadorna tadorna EN (NonBreeding), EN (Breeding) bird-duck anatidae
greylag goose Anser anser LC (NonBreeding) bird-goose anatidae
common sandpiper Actitis hypoleucos VU (Breeding) bird-wader scolopacidae
dunlin Calidris alpina EN (NonBreeding) bird-wader scolopacidae
curlew Numenius arquata EN (Breeding) bird-wader scolopacidae
green sandpiper Tringa ochropus EN (NonBreeding), EN (Breeding) bird-wader scolopacidae
redshank Tringa totanus EN (NonBreeding) bird-wader scolopacidae
mire bottle sedge Carex rostrata LC sedge cyperaceae
bladder sedge Carex vesicaria VU sedge cyperaceae

Plant communities

A9 — Fast flowing river and stream, Marginal and inundation, Pond ditch and canal, Sluggish river and stream

Potamogeton natans community

Schoenoplectus lacustris, Juncus bulbosus, Sparganium angustifolium, Sparganium erectum, Sparganium minimum, Alisma plantago-aquatica, Lobelia dortmanna, Equisetum fluviatile, Myriophyllum alterniflorum, Elodea canadensis, Lemna minor, Lemna trisulca, Nymphaea alba, Callitriche platycarpa, Callitriche stagnalis, Littorella uniflora, Potamogeton natans, Ranunculus trichophyllus, Glyceria fluitans, Chara subspinosa

A14 — Fast flowing river and stream

Myriophyllum alterniflorum community

Isolepis fluitans, Juncus bulbosus, Fontinalis antipyretica, Lobelia dortmanna, Equisetum fluviatile, Myriophyllum alterniflorum, Lemna minor, Callitriche stagnalis, Littorella uniflora, Potamogeton filiformis, Potamogeton gramineus, Potamogeton natans, Ranunculus peltatus, Chara spp., Nitella hyalina

A17 — Chalk river and stream, Fast flowing river and stream

Ranunculus penicillatus ssp. pseudofluitans community

Berula erecta, Nasturtium officinale, Elodea canadensis, Lemna minor, Callitriche stagnalis, Veronica beccabunga, Polygonum amphibium, Polygonum hydropiper, Potamogeton crispus, Potamogeton pectinatus, Ranunculus penicillatus ssp. pseudofluitans

A18 — Fast flowing river and stream

Ranunculus fluitans community

Fontinalis antipyretica, Fontinalis squamosa var. curnowii, Myriophyllum alterniflorum, Myriophyllum spicatum, Elodea canadensis, Mentha aquatica, Lemna gibba, Lemna minor, Potamogeton perfoliatus, Ranunculus fluitans, Glyceria fluitans, Phalaris arundinacea