| 词条 | Orton Pit |
| 释义 |
|image= Orton Pit 9.jpg |image_caption = |name= Orton Pit |aos= Cambridgeshire |interest=Biological |gridref={{gbmappingsmall| TL 162 941 }}[1] |area= 145.8 hectares[1] |notifydate= 2004[1] |map=Magic Map }}Orton Pit is a 145.8 hectare biological Site of Special Scientific Interest on the southern outskirts of Peterborough in Cambridgeshire.[1][2] It is also a Special Area of Conservation[3] This extensive area of disused brick clay workings has the largest known population in Britain of great crested newts. There are ten species of stonewort, including chara canescens, which was previously thought to be extinct in Britain, and four other nationally rare species. The habitats are diverse, with ponds, scrub and rough grassland. [4] The site is private land with no public access, apart from a small wood in the north-east corner, north of Guelder Road and Ewood Drive. References1. ^1 2 3 {{cite web|url= https://designatedsites.naturalengland.org.uk/SiteDetail.aspx?SiteCode=S2000482&SiteName=orton&countyCode=&responsiblePerson= |title=Designated Sites View: Orton Pit | series= Sites of Special Scientific Interest|publisher=Natural England|accessdate = 31 October 2016}} {{commons category|Orton Pit}}{{coord| 52.532|-0.289 |type:landmark_region:GB-BNE|display=title}}{{SSSIs Cambridgeshire}}2. ^{{cite web|url=http://magic.defra.gov.uk/MagicMap.aspx?startTopic=Designations&activelayer=sssiIndex&query=HYPERLINK%3D%272000482%27 |title=Map of Orton Pit|series= Sites of Special Scientific Interest|publisher=Natural England|accessdate= 31 October 2016}} 3. ^{{cite web|url= http://jncc.defra.gov.uk/protectedsites/sacselection/sac.asp?EUCode=UK0030053 |title= Orton Pit |publisher=Joint Nature Conservation Committee|accessdate= 31 October 2016}} 4. ^{{cite web|url=http://www.sssi.naturalengland.org.uk/citation/citation_photo/2000482.pdf |title=Orton Pit citation|series= Sites of Special Scientific Interest|publisher=Natural England|accessdate= 31 October 2016}} 1 : Sites of Special Scientific Interest in Cambridgeshire |
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