List of Sites of Special Scientific Interest in Northamptonshire

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Upper Nene Valley Gravel Pits

The following is a list of Sites of Special Scientific Interest in Northamptonshire. As of 2014, there are 57 sites designated within this area of search, 48 for their biological interest and 9 for their geological interest. The data in this table is taken from Natural England's website in the form of citation sheets for each SSSI.

For other counties, see List of SSSIs by Area of Search.[1]

Key[edit]

Sites[edit]

Site name Photograph B G Area Public
access
Location Other
classifications
Map[a] Citation[b] Description
Alder Wood and Meadow Alder Wood Green tickY 13.2 hectares (33 acres)[2] YES Corby
52°27′11″N 0°46′08″W / 52.453°N 0.769°W / 52.453; -0.769 (Alder Wood and Meadow)
SP 837 846
[2]
Map Citation The semi-natural ancient broadleaved woodland is a surviving fragment of the Royal Forest of Rockingham. It is mainly ash, and the ground flora on base rich soil includes tufted hair-grass, dog's mercury and enchanter's nightshade. The meadow is agriculturally unimproved, and it has surviving medieval ridge and furrow.[3]
Aldwincle Marsh Green tickY 2.0 hectares (4.9 acres) Aldwincle
52°24′58″N 0°31′30″W / 52.416°N 0.525°W / 52.416; -0.525 (Aldwincle Marsh)
TL 004 807
Map Citation
Ashton Wold Ashton Wold Green tickY 54.0 hectares (133 acres)[4] YES Oundle
52°28′30″N 0°23′38″W / 52.475°N 0.394°W / 52.475; -0.394 (Ashton Wold)
TL 091 875
[4]
RHPG[5] Map Citation Ashton Wold was owned by Charles Rothschild, the founder of the The Wildlife Trusts. It is ancient secondary woodland with mature oak, ash and birch trees. The thick shrub layer includes hawthorn and buckthorn.[6]
Badby Wood Green tickY 47.2 hectares (117 acres) Badby
52°13′12″N 1°10′37″W / 52.220°N 1.177°W / 52.220; -1.177 (Badby Wood)
SP 563 582
Map Citation
Badsaddle, Withmale Park and Bush Walk Woods Withmale Park Wood Green tickY 25.2 hectares (62 acres)[7] YES Wellingborough
52°20′24″N 0°46′44″W / 52.340°N 0.779°W / 52.340; -0.779 (Badsaddle, Withmale Park and Bush Walk Woods)
SP 832 720
[7]
Map Citation This is ancient coppice woodland with oak and ash on wet calcareous soils. Ground flora include herb paris, goldilocks buttercup and four species of orchid.[8]
Banhaw, Spring and Blackthorn's Woods Banhaw Wood Green tickY 123.4 hectares (305 acres)[9] PP Corby
52°28′48″N 0°34′16″W / 52.480°N 0.571°W / 52.480; -0.571 (Banhaw, Spring and Blackthorn's Woods)
SP 971 878
[9]
Map Citation These woods are one of the largest remnants of the ancient Royal Forest of Rockingham. They are mainly ash and pedunculate oak on wet calcareous clay soils. The ground flora is diverse, and there are grasses such as tufted hair-grass, rough meadow-grass and wood melick.[10]
Birch Spinney and Mawsley Marsh Green tickY 12.3 hectares (30 acres) Mawsley
52°22′55″N 0°48′43″W / 52.382°N 0.812°W / 52.382; -0.812 (Birch Spinney and Mawsley Marsh)
SP 809 766
Map Citation
Blisworth Rectory Farm Quarry Green tickY 1.0 hectare (2.5 acres) Blisworth
52°10′16″N 0°57′14″W / 52.171°N 0.954°W / 52.171; -0.954 (Blisworth Rectory Farm Quarry)
SP 716 530
GCR[11] Map Citation
Bosworth Mill Meadow Green tickY 5.7 hectares (14 acres) Welford
52°26′06″N 1°04′37″W / 52.435°N 1.077°W / 52.435; -1.077 (Bosworth Mill Meadow)
SP 628 822
Map Citation
Bozeat Meadow Green tickY 2.6 hectares (6.4 acres) Bozeat
52°13′19″N 0°40′55″W / 52.222°N 0.682°W / 52.222; -0.682 (Bozeat Meadow)
SP 901 590
Map Citation
Bucknell Wood Meadows Green tickY 9.2 hectares (23 acres) Silverstone
52°05′56″N 1°03′54″W / 52.099°N 1.065°W / 52.099; -1.065 (Bucknell Wood Meadows)
SP 641 449
Map Citation
Bugbrooke Meadows Green tickY 10.1 hectares (25 acres) Nether Heyford
52°13′23″N 1°01′05″W / 52.223°N 1.018°W / 52.223; -1.018 (Bugbrooke Meadows)
SP 671 587
WTBCN[12] Map Citation
Bulwick Meadows Green tickY 1.2 hectares (3.0 acres) Bulwick
52°32′20″N 0°35′02″W / 52.539°N 0.584°W / 52.539; -0.584 (Bulwick Meadows)
SP 961 943
Map Citation
Calender Meadows Green tickY 3.1 hectares (7.7 acres) Thornby
52°22′05″N 0°59′42″W / 52.368°N 0.995°W / 52.368; -0.995 (Calender Meadows)
SP 685 749
Map Citation
Collyweston Great Wood and Easton Hornstocks Collyweston Great Wood Green tickY 151.5 hectares (374 acres)[13] NO King's Cliffe
52°35′38″N 0°30′25″W / 52.594°N 0.507°W / 52.594; -0.507 (Collyweston Great Wood and Easton Hornstocks)
TF 012 006
[13]
NCR,[14] NNR[15] Map Citation These woods have ash, lime and sessile oak, together with wild service-trees, which is an indicator of ancient woodland. The ground flora is very rich, including locally unusual plants such as lily-of-the-valley, wood spurge, great wood-rush, violet helleborine and columbine.[16]
Collyweston Quarries Green tickY 6.6 hectares (16 acres) King's Cliffe
52°37′23″N 0°31′08″W / 52.623°N 0.519°W / 52.623; -0.519 (Collyweston Quarries)
TF 003 038
WTBCN[17] Map Citation
Collyweston Slate Mine Green tickY 0.9 hectares (2.2 acres) King's Cliffe
52°36′58″N 0°31′26″W / 52.616°N 0.524°W / 52.616; -0.524 (Collyweston Slate Mine)
TF 000 030
GCR[18] Map Citation
Coombe Hill Hollow Green tickY 4.3 hectares (11 acres) Welford
52°26′46″N 1°00′11″W / 52.446°N 1.003°W / 52.446; -1.003 (Coombe Hill Hollow)
SP 678 835
Map Citation
Cowthick Quarry Cowthick Quarry Green tickY 1.4 hectares (3.5 acres)[19] NO Corby
52°28′55″N 0°38′20″W / 52.482°N 0.639°W / 52.482; -0.639 (Cowthick Quarry)
SP 925 879
[19]
Map Citation This site exposes Middle Jurassic rocks dating to 174 to 163 million years ago, and in the view of Natural England it has "the best of most instructive sections" of the period in the Midlands. A Pleistocene fault has caused the juxtaposition of six Jurassic formations.[20]
Cranford St John Green tickY 2.8 hectares (6.9 acres) Kettering
52°22′41″N 0°38′42″W / 52.378°N 0.645°W / 52.378; -0.645 (Cranford St John)
SP 923 764
GCR[21] Map Citation
Dungee Corner Meadow Green tickY 5.1 hectares (13 acres) Bozeat
52°13′52″N 0°38′35″W / 52.231°N 0.643°W / 52.231; -0.643 (Dungee Corner Meadow)
SP 927 600
Map Citation
Everdon Stubbs Everdon Stubbs Green tickY 29.5 hectares (73 acres)[22] YES Farthingstone
52°12′18″N 1°06′54″W / 52.205°N 1.115°W / 52.205; -1.115 (Everdon Stubbs)
SP 605 566
[22]
WT[23] Map Citation This woodland site has areas of acidic free-draining soil, and other damper areas. It is described by Natural England as an important site for fungi, and there is a diverse range of breeding birds. There are locally uncommon plants such as wild daffodil, orpine and bitter vetch.[24]
Finedon Top Lodge Quarry Green tickY 0.9 hectares (2.2 acres) Finedon
52°19′12″N 0°38′31″W / 52.320°N 0.642°W / 52.320; -0.642 (Finedon Top Lodge Quarry)
SP 926 699
GCR[25] Map Citation
Geddington Chase Geddington Chase Green tickY 39.1 hectares (97 acres)[26] NO Corby
52°27′11″N 0°40′12″W / 52.453°N 0.670°W / 52.453; -0.670 (Geddington Chase)
SP 904 847
[26]
Map Citation Geddington Chase is a surviving fragment of the medieval Royal Forest of Rockingham. Most of the Chase is commercially managed, and the SSSI is an area of semi-natural wet ash/maple woodland on Midland boulder clay. The ground flora is diverse, with plants including bluebell, dog's mercury, tufted hair-grass, and a few wild daffodils.[27]
Glapthorn Cow Pasture Green tickY 28.2 hectares (70 acres) Oundle
52°30′14″N 0°31′30″W / 52.504°N 0.525°W / 52.504; -0.525 (Glapthorn Cow Pasture)
TL 002 905
WTBCN[28] Map Citation
Hardwick Lodge Meadow Green tickY 10.0 hectares (25 acres) Northampton
52°19′26″N 0°46′37″W / 52.324°N 0.777°W / 52.324; -0.777 (Hardwick Lodge Meadow)
SP 834 702
Map Citation
Helmdon Disused Railway Helmdon Disused Railway Green tickY 16.6 hectares (41 acres)[29] YES Brackley
52°04′01″N 1°08′35″W / 52.067°N 1.143°W / 52.067; -1.143 (Helmdon Disused Railway)
SP 588 412
[29]
Map Citation This is Jurassic grassland, and limestone spoil heaps have a very diverse floral community. Butterfies include the nationally scarce wood white and five nationally declining species. It is the only location in the county for the small blue butterfly.[30]
High Wood and Meadow Green tickY 16.5 hectares (41 acres) Daventry
52°11′17″N 1°08′10″W / 52.188°N 1.136°W / 52.188; -1.136 (High Wood and Meadow)
SP 591 547
WTBCN[31] Map Citation
Irchester Old Lodge Pit Green tickY 0.4 hectares (0.99 acres) Irchester
52°16′30″N 0°39′40″W / 52.275°N 0.661°W / 52.275; -0.661 (Irchester Old Lodge Pit)
SP 914 649
GCR[32] Map Citation
King's Cliffe Banks Green tickY 7.7 hectares (19 acres) King's Cliffe
52°33′50″N 0°30′18″W / 52.564°N 0.505°W / 52.564; -0.505 (King's Cliffe Banks)
TL 014 972
Map Citation
Mantles Heath Mantles Heath Green tickY 13.7 hectares (34 acres)[33] YES Daventry
52°11′31″N 1°07′37″W / 52.192°N 1.127°W / 52.192; -1.127 (Mantles Heath)
SP 597 552
[33]
Map Citation Most of this woodland site is on acid soil, but the western part is on calcareous and poorly drained clay, and has a diverse flora. Locally uncommon plants include wood vetch, opposite-leaved golden-saxifrage and slender St John’s wort.[34]
Mill Crook Mill Crook Green tickY 5.9 hectares (15 acres)[35] YES Towcester
52°06′36″N 0°52′19″W / 52.110°N 0.872°W / 52.110; -0.872 (Mill Crook)
SP 773 463
[35]
WTBCN[36] Map Citation Signs of medieval ridge and furrow still survive on this traditionally hay meadow on the bank of the River Tove. It has diverse flora, with grasses such as meadow foxtail and sweet vernal-grass, and herbs including great burnet and ribwort plantain.[36][37]
Old Sulehay Forest Old Sulehay Forest Green tickY 34.8 hectares (86 acres)[38] YES King's Cliffe
52°34′26″N 0°26′02″W / 52.574°N 0.434°W / 52.574; -0.434 (Old Sulehay Forest)
TL 062 985
[38]
WTBCN[39] Map Citation This ancient forest has a number of different soil conditions and coppice types, and the ground flora is diverse. Abundant herbs include dog’s mercury, bracken, bramble, ramsons, wood anemone and bluebells.[40]
Pipewell Woods Pipewell Woods Green tickY 85.3 hectares (211 acres)[41] YES Corby
52°28′01″N 0°46′30″W / 52.467°N 0.775°W / 52.467; -0.775 (Pipewell Woods)
SP 833 861
[41]
NCR[42] Map Citation The woods are an example of wet ash-maple woodland both in its typical form and a nationally rare one. It has diverse flora including the locally rare giant bellflower, herb paris and wood speedwell. Open grassy areas provide additional habitats for birds and insects.[43]
Pitsford Reservoir Pitsford Reservoir Green tickY 413.1 hectares (1,021 acres)[44] YES Brixworth
52°19′26″N 0°52′01″W / 52.324°N 0.867°W / 52.324; -0.867 (Pitsford Reservoir)
SP 773 701
[44]
WTBCN[45] Map Citation This is the largest body of water in the county, and is used by wintering wildfowl, including the northern shoveler in nationally important numbers. Over 60 species of birds breed on the site, such as the great crested grebe, little grebe, teal, kingfisher and reed warbler.[45][46]
Plumpton Pasture Green tickY 3.6 hectares (8.9 acres) Towcester
52°07′41″N 1°07′59″W / 52.128°N 1.133°W / 52.128; -1.133 (Plumpton Pasture)
SP 594 480
Map Citation
Racecourse Farm Fields Green tickY 5.0 hectares (12 acres) Easton on the Hill
52°37′34″N 0°29′53″W / 52.626°N 0.498°W / 52.626; -0.498 (Racecourse Farm Fields)
TF 017 042
Map Citation
Ramsden Corner Plantation Ramsden Corner Plantation Green tickY 3.2 hectares (7.9 acres)[47] YES Northampton
52°12′11″N 1°05′20″W / 52.203°N 1.089°W / 52.203; -1.089 (Ramsden Corner Plantation)
SP 623 564
[47]
WTBCN[48] Map Citation A stream runs through this valley site, which is acidic grassland, woodland and scrub on clay and sand. Plants such as wood millet, wood-sorrel and wood vetch are indicators of ancient woodland. Opposite-leaved golden-saxifrage is found in wet flushes.[49]
River Ise and Meadows River Ise Green tickY 13.5 hectares (33 acres)[50] PP Geddington
52°26′17″N 0°43′08″W / 52.438°N 0.719°W / 52.438; -0.719 (River Ise and Meadows)
SP 871 830
[50]
WTBCN[51] Map Citation The river is described by Natural England as "the best example in the county of a lowland river on clay, fed by base-rich water". The banks have tall fen, woodland and grassland, and there is also a species rich flood meadow. The river has many bends and loops, with silty pools and gravel shoals. The invertebrates are diverse, and there is a population of the nationally declining freshawter crayfish Austropotamobius pallipes.[52]
Roade Cutting Roade Cutting Green tickY 15.2 hectares (38 acres)[53] NO Roade
52°09′58″N 0°54′22″W / 52.166°N 0.906°W / 52.166; -0.906 (Roade Cutting)
SP 749 525
[53]
GCR[54] Map Citation The cutting exposes rocks dating to the Middle Jurassic Bathonian stage, between 168.3 and 167.1 million years ago. It is described by Natural England as important for reconstructing the environment of deposition during the period, and correlating the White Limestone Formation in Oxfordshire and the East Midlands.[55]
Salcey Forest Green tickY 159.6 hectares (394 acres) Hartwell
52°09′07″N 0°49′05″W / 52.152°N 0.818°W / 52.152; -0.818 (Salcey Forest)
SP 809 510
Map Citation
Short Wood Green tickY 25.3 hectares (63 acres) Oundle
52°30′40″N 0°30′18″W / 52.511°N 0.505°W / 52.511; -0.505 (Short Wood)
TL 015 913
WTBCN[56] Map Citation
Southfield Farm Marsh Green tickY 8.6 hectares (21 acres) Kettering
52°22′26″N 0°42′07″W / 52.374°N 0.702°W / 52.374; -0.702 (Southfield Farm Marsh)
SP 884 758
WTBCN[57] Map Citation
Stoke and Bowd Lane Woods Bowd Lane Wood Green tickY 36.4 hectares (90 acres)[58] PP Corby
52°28′12″N 0°49′12″W / 52.470°N 0.820°W / 52.470; -0.820 (Stoke and Bowd Lane Woods)
SP 802 864
[58]
WTBCN[59] Map Citation These ancient semi-natural woods were formerly part of the medieval Royal Forest of Rockingham. The main tree species is pedunculate oak, with other species such as ash and birch. Ground flora include herb paris, wood sorrel, yellow archangel, early-purple orchid and greater butterfly-orchid.[60]
Sudborough Green Lodge Meadows Green tickY 13.6 hectares (34 acres) Sudborough
52°26′49″N 0°34′23″W / 52.447°N 0.573°W / 52.447; -0.573 (Sudborough Green Lodge Meadows)
SP 970 841
Map Citation
Syresham Marshy Meadows Green tickY 17.8 hectares (44 acres) Silverstone
52°04′41″N 1°04′01″W / 52.078°N 1.067°W / 52.078; -1.067 (Syresham Marshy Meadows)
SP 640 425
Map Citation
Thrapston Station Quarry Green tickY 4.5 hectares (11 acres) Thrapston
52°23′17″N 0°31′59″W / 52.388°N 0.533°W / 52.388; -0.533 (Thrapston Station Quarry)
SP 999 776
GCR[61] Map Citation
Titchmarsh Meadow Green tickY 2.2 hectares (5.4 acres) Titchmarsh
52°24′18″N 0°29′13″W / 52.405°N 0.487°W / 52.405; -0.487 (Titchmarsh Meadow)
TL 030 796
Map Citation
Twywell Gullet Green tickY 17.1 hectares (42 acres) Kettering
52°23′17″N 0°36′50″W / 52.388°N 0.614°W / 52.388; -0.614 (Twywell Gullet)
SP 944 775
WTBCN[62] Map Citation
Upper Cherwell At Trafford House Green tickY 18.6 hectares (46 acres) Eydon
52°08′06″N 1°13′44″W / 52.135°N 1.229°W / 52.135; -1.229 (Upper Cherwell At Trafford House)
SP 528 488
GCR[63] Map Citation
Upper Nene Valley Gravel Pits Stanwick Lakes Green tickY 1,382.4 hectares (3,416 acres)[64] PP Rushden
52°18′50″N 0°38′20″W / 52.314°N 0.639°W / 52.314; -0.639 (Upper Nene Valley Gravel Pits)
SP 928 693
[64]
LNR,[65] Ramsar,[66] SPA,[67] WTBCN[64][68] Map Citation This site is described by Natural England as "a nationally important site for its breeding bird assemblage of lowland open waters". There are at least 21 breeding bird species, including mute swans, tufted ducks, little grebes, great crested grebes, little ringed plovers and redshanks.[69]
Wadenhoe Marsh and Achurch Meadow Green tickY 47.5 hectares (117 acres) Oundle
52°25′59″N 0°31′01″W / 52.433°N 0.517°W / 52.433; -0.517 (Wadenhoe Marsh and Achurch Meadow)
TL 009 826
Map Citation
Wakerley Spinney Green tickY 4.4 hectares (11 acres) King's Cliffe
52°34′37″N 0°34′37″W / 52.577°N 0.577°W / 52.577; -0.577 (Wakerley Spinney)
SP 965 986
Map Citation
Weldon Park Green tickY 51.7 hectares (128 acres)[70] Weldon
52°30′00″N 0°36′25″W / 52.500°N 0.607°W / 52.500; -0.607 (Weldon Park)
SP 946 900
[70]
Map Citation This ancient woodland is mainly ash, maple and hazel. It has diverse flora, especially on grassland rides, and unusual plants on the wettest soils. Insects include the uncommon purple emperor butterfly.[71]
Whittlewood Forest Green tickY 400.1 hectares (989 acres) Silverstone
52°04′52″N 0°56′56″W / 52.081°N 0.949°W / 52.081; -0.949 (Whittlewood Forest)
SP 721 430
NCR,[42] Map Citation
Wollaston Meadows Green tickY 14.3 hectares (35 acres) Wellingborough
52°16′26″N 0°41′10″W / 52.274°N 0.686°W / 52.274; -0.686 (Wollaston Meadows)
SP 897 648
Map Citation
Yardley Chase Yardley Chase Green tickY 357.6 hectares (884 acres)[72] PP Yardley Hastings
52°10′52″N 0°45′47″W / 52.181°N 0.763°W / 52.181; -0.763 (Yardley Chase)
SP 846 543
[72]
Map Citation The Chase has diverse semi-natural habitats, and its value for invertebrates has been enhanced by military use of the site, which has resulted in a long absence of intensive agriculture. There is woodland and unimproved grassland, and 30 breeding butterfly species have been recorded.[73]

See also[edit]

Notes[edit]

  1. ^ The maps are provided by Natural England on the Magic Map website.
  2. ^ Citations are provided for each site by Natural England.

References[edit]

  1. ^ "Search results for Northamptonshire". Natural England. 
  2. ^ a b "Designated Sites View: Alder Wood and Meadow". Sites of Special Scientific Interest. Natural England. Retrieved 6 February 2017. 
  3. ^ "Alder Wood and Meadow citation" (PDF). Sites of Special Scientific Interest. Natural England. Retrieved 6 February 2017. 
  4. ^ a b "Designated Sites View: Ashton Wold". Sites of Special Scientific Interest. Natural England. Retrieved 19 December 2016. 
  5. ^ "Ashton Wold". Historic England. Retrieved 18 December 2016. 
  6. ^ "Ashton Wold citation" (PDF). Sites of Special Scientific Interest. Natural England. Retrieved 19 December 2016. 
  7. ^ a b "Designated Sites View: Badsaddle, Withmale Park and Bush Walk Woods". Sites of Special Scientific Interest. Natural England. Retrieved 19 December 2016. 
  8. ^ "Badsaddle, Withmale Park and Bush Walk Woods citation" (PDF). Sites of Special Scientific Interest. Natural England. Retrieved 19 December 2016. 
  9. ^ a b "Designated Sites View: Banhaw, Spring and Blackthorn's Woods". Sites of Special Scientific Interest. Natural England. Retrieved 19 December 2016. 
  10. ^ "Banhaw, Spring and Blackthorn's Woods citation" (PDF). Sites of Special Scientific Interest. Natural England. Retrieved 19 December 2016. 
  11. ^ "Blisworth Rectory Farm (Bathonian)". Joint Nature Conservation Committee. Retrieved 18 December 2016. 
  12. ^ "Bugbrooke Meadow". Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire. Retrieved 19 December 2016. 
  13. ^ a b "Designated Sites View: Collyweston Great Wood and Easton Hornstocks". Sites of Special Scientific Interest. Natural England. Retrieved 19 December 2016. 
  14. ^ Ratcliffe, A Nature Conservation Review, p. 57
  15. ^ "Northamptonshire's National Nature Reserves". Natural England. Retrieved 19 December 2016. 
  16. ^ "Collyweston Great Wood and Easton Hornstocks citation" (PDF). Sites of Special Scientific Interest. Natural England. Retrieved 19 December 2016. 
  17. ^ "Collyweston Quarries". Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire. Retrieved 19 December 2016. 
  18. ^ "Collyweston (Aalenian - Bajocian)". Joint Nature Conservation Committee. Retrieved 18 December 2016. 
  19. ^ a b "Designated Sites View: Cowthick Quarry". Sites of Special Scientific Interest. Natural England. Retrieved 12 February 2017. 
  20. ^ "Cowthick Quarry citation" (PDF). Sites of Special Scientific Interest. Natural England. Retrieved 12 February 2017. 
  21. ^ "Cranford St John (Bathonian)". Joint Nature Conservation Committee. Retrieved 18 December 2016. 
  22. ^ a b "Designated Sites View: Everdon Stubbs". Sites of Special Scientific Interest. Natural England. Retrieved 19 December 2016. 
  23. ^ "Everdon Stubbs". Woodland Trust. Retrieved 19 December 2016. 
  24. ^ "Everdon Stubbs citation" (PDF). Sites of Special Scientific Interest. Natural England. Retrieved 19 December 2016. 
  25. ^ "Wellingborough (Bathonian)". Joint Nature Conservation Committee. Retrieved 18 December 2016. 
  26. ^ a b "Designated Sites View: Geddington Chase". Sites of Special Scientific Interest. Natural England. Retrieved 7 February 2017. 
  27. ^ "Geddington Chase citation" (PDF). Sites of Special Scientific Interest. Natural England. Retrieved 7 February 2017. 
  28. ^ "Glapthorn Cow Pastures". Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire. Retrieved 19 December 2016. 
  29. ^ a b "Designated Sites View: Helmdon Disused Railway". Sites of Special Scientific Interest. Natural England. Retrieved 19 December 2016. 
  30. ^ "Helmdon Disused Railway citation" (PDF). Sites of Special Scientific Interest. Natural England. Retrieved 19 December 2016. 
  31. ^ "High Wood and Meadow". Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire. Retrieved 19 December 2016. 
  32. ^ "Irchester Old Lodge Pit (Bathonian)". Joint Nature Conservation Committee. Retrieved 18 December 2016. 
  33. ^ a b "Designated Sites View: Mantles Heath". Sites of Special Scientific Interest. Natural England. Retrieved 19 December 2016. 
  34. ^ "Mantles Heath citation" (PDF). Sites of Special Scientific Interest. Natural England. Retrieved 19 December 2016. 
  35. ^ a b "Designated Sites View: Mill Crook". Sites of Special Scientific Interest. Natural England. Retrieved 20 December 2016. 
  36. ^ a b "Mill Crook and Grafton Regis Meadow". Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire. Retrieved 19 December 2016. 
  37. ^ "Mill Crook citation" (PDF). Sites of Special Scientific Interest. Natural England. Retrieved 20 December 2016. 
  38. ^ a b "Designated Sites View: Old Sulehay Forest". Sites of Special Scientific Interest. Natural England. Retrieved 20 December 2016. 
  39. ^ "Old Sulehay". Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire. Retrieved 19 December 2016. 
  40. ^ "Old Sulehay Forest citation" (PDF). Sites of Special Scientific Interest. Natural England. Retrieved 20 December 2016. 
  41. ^ a b "Designated Sites View: Pipewell Woods". Sites of Special Scientific Interest. Natural England. Retrieved 20 December 2016. 
  42. ^ a b Ratcliffe, A Nature Conservation Review, p. 85
  43. ^ "Pipewell Woods citation" (PDF). Sites of Special Scientific Interest. Natural England. Retrieved 20 December 2016. 
  44. ^ a b "Designated Sites View: Pitsford Reservoir". Sites of Special Scientific Interest. Natural England. Retrieved 20 December 2016. 
  45. ^ a b "Pitsford Water Nature Reserve". Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire. Retrieved 19 December 2016. 
  46. ^ "Pitsford Reservoir citation" (PDF). Sites of Special Scientific Interest. Natural England. Retrieved 20 December 2016. 
  47. ^ a b "Designated Sites View: Ramsden Corner Plantation". Sites of Special Scientific Interest. Natural England. Retrieved 24 December 2016. 
  48. ^ "Ramsden Corner". Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire. Retrieved 19 December 2016. 
  49. ^ "Ramsden Corner Plantation citation" (PDF). Sites of Special Scientific Interest. Natural England. Retrieved 24 December 2016. 
  50. ^ a b "Designated Sites View: River Ise and Meadows". Sites of Special Scientific Interest. Natural England. Retrieved 7 February 2017. 
  51. ^ "Barford Wood and Meadows". Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire. Retrieved 22 December 2016. 
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Sources[edit]

  • Ratcliffe, Derek, ed. (1977). A Nature Conservation Review. 2. Cambridge, UK: Cambridge University Press. ISBN 0521 21403 3.