Cotterill Clough is a

nature reserve A nature reserve (also known as a wildlife refuge, wildlife sanctuary, biosphere reserve or bioreserve, natural or nature preserve, or nature conservation area) is a protected area of importance for flora, fauna, or features of geological or ...

near

Manchester Airport Manchester Airport is an international airport in Ringway, Manchester, England, south-west of Manchester city centre. In 2019, it was the third busiest airport in the United Kingdom in terms of passenger numbers and the busiest of those n ...

. It is managed by the

Cheshire Wildlife Trust The Cheshire Wildlife Trust (CWT) is a wildlife trust covering the county of Cheshire and parts of the counties of Greater Manchester and Merseyside, England. The trust's chairman is Bill Stothart. It manages 43 nature reserves totalling over 470 ...

and lies within a larger

Site of Special Scientific Interest A Site of Special Scientific Interest (SSSI) in Great Britain or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland is a conservation designation denoting a protected area in the United Kingdom and Isle of ...

(SSSI). The Cotterill Brook, which flows through the reserve, is a tributary of the

River Bollin The River Bollin is a major tributary of the River Mersey in the north-west of England. It rises in Macclesfield Forest at the western end of the Peak District, and can be seen in spring form, from the Buxton to Macclesfield road. The stream t ...

. The reserve was purchased in 1934 by public subscription as a memorial to T. A. Coward (1867–1933), a famous Cheshire naturalist. It is south of Manchester city centre and adjacent to Manchester Airport.

Description

Cotterill Clough is a

ravine A ravine is a landform that is narrower than a canyon and is often the product of streambank erosion.Keuper Marl Keuper marl is a former and now deprecated term for multiple layers of mudstone and siltstone of Triassic age which occur beneath parts of the English Midlands and neighbouring areas e.g. Cheshire, Nottinghamshire, Devon, eastern Worcestershire ...

rock. The site is mostly wooded and contains the highest biological diversity of this type of woodland growing on base rich soils in Greater Manchester.

Flora and fauna

Within the woodland there are three distinct zones. The first is on the edge of the plateau, where the woodland canopy is dominated by

downy birch ''Betula pubescens'' (syn. ''Betula alba''), commonly known as downy birch and also as moor birch, white birch, European white birch or hairy birch, is a species of deciduous tree, native and abundant throughout northern Europe and northern Asia ...

pedunculate oak ''Quercus robur'', commonly known as common oak, pedunculate oak, European oak or English oak, is a species of flowering plant in the beech and oak family, Fagaceae. It is a large tree, native to most of Europe west of the Caucasus. It is widel ...

and

sycamore Sycamore is a name which has been applied to several types of trees, but with somewhat similar leaf forms. The name derives from the ancient Greek ' (''sūkomoros'') meaning "fig-mulberry". Species of trees known as sycamore: * ''Acer pseudoplata ...

; lower down the valley sides is a second zone dominated by

ash Ash or ashes are the solid remnants of fires. Specifically, ''ash'' refers to all non-aqueous, non- gaseous residues that remain after something burns. In analytical chemistry, to analyse the mineral and metal content of chemical samples, ash ...

and

wych elm ''Ulmus glabra'' Hudson, the wych elm or Scots elm, has the widest range of the European elm species, from Ireland eastwards to the Urals, and from the Arctic Circle south to the mountains of the Peloponnese and Sicily, where the species reaches i ...

, home to a highly diverse ground glora. Lastly, the ravine bottom supports species that prefer wetter soils such as

alder Alders are trees comprising the genus ''Alnus'' in the birch family Betulaceae. The genus comprises about 35 species of monoecious trees and shrubs, a few reaching a large size, distributed throughout the north temperate zone with a few sp ...

and

willows Willows, also called sallows and osiers, from the genus ''Salix'', comprise around 400 speciesMabberley, D.J. 1997. The Plant Book, Cambridge University Press #2: Cambridge. of typically deciduous trees and shrubs, found primarily on moist s ...

of different species. The humid conditions in this zone are ideal for ferns, mosses and

liverwort The Marchantiophyta () are a division of non-vascular land plants commonly referred to as hepatics or liverworts. Like mosses and hornworts, they have a gametophyte-dominant life cycle, in which cells of the plant carry only a single set of g ...

s to flourish among the herbs. A variety of woodland birds are present such as

spotted flycatcher The spotted flycatcher (''Muscicapa striata'') is a small passerine bird in the Old World flycatcher family. It breeds in most of Europe and in the Palearctic to Siberia, and is migratory, wintering in Africa and south western Asia. It is decl ...

, three species of woodpecker,

Eurasian blackcap The Eurasian blackcap (''Sylvia atricapilla''), usually known simply as the blackcap, is a common and widespread typical warbler. It has mainly olive-grey upperparts and pale grey underparts, and differences between the five subspecies are sm ...

and

common whitethroat The common whitethroat or greater whitethroat (''Curruca communis'') is a common and widespread typical warbler which breeds throughout Europe and across much of temperate western Asia. This small passerine bird is strongly migratory, and winte ...

, which breed within the reserve. The reserve also has a diverse invertebrate fauna: 79 species of spider have been recorded as well as the rare beetle species '' Dropephylla grandiloqua''.

Management

Cotteril Clough is closed to the public at the moment as there is dangerous infrastructure on site and the Cheshire Wildlife Trust also want to leave standing dead wood to encourage biodiversity.

References

{{Reflist Nature reserves in Greater Manchester Sites of Special Scientific Interest in Greater Manchester Cheshire Wildlife Trust reserves