Caldicot and Wentloog Levels
51°34′12″N 2°49′30″W / 51.57°N 2.825°W

The Caldicot and Wentloog Levels are two areas of low-lying estuarine alluvial wetland and intertidal mudflats adjoining the north bank of the Severn Estuary, either side of the River Usk estuary near Newport in south east Wales. They are also known collectively as the Monmouthshire Levels or Gwent Levels,[1] and the name Wentloog is sometimes spelled Wentlooge in official publications.
The
The levels are formed from tidal deposits and
periods.They are an important wetland resource. Parts have been designated as Sites of Special Scientific Interest. They are registered as a Landscape of Outstanding Historic Interest in Wales.[3]
History and archaeology
There have been variations in both land and sea levels in the Severn Estuary since the start of human habitation in the area. The Levels have been reclaimed from the sea at different times during the historic period, preserving evidence of patterns of settlement, enclosure and drainage systems.[4] Mesolithic and later remains have been discovered at Goldcliff, and late Mesolithic human footprints at Uskmouth.
One of the most significant finds was of a 3rd-century
Goldcliff Priory was established in 1113 and together with other major landowners took responsibility for further drainage work in the area. Settlements became established, linked by droveways such as the Whitewall at Magor, and land was gradually reclaimed for pasture and arable use. A large number of Anglo-Norman sites including castles, churches, court houses, manor houses, moated sites and watermills show near-continuous occupation throughout the Middle Ages.
The
Drainage and management
Most of the levels has been the subject of artificial drainage schemes, and the area is criss-crossed by drainage channels, known locally as '
In 1531,
This was superseded in 1942 by the Caldicot and Wentlooge Levels Drainage Board, now the
The pattern of ditches now found on the Caldicot Level has been complicated by the construction of the
Ecology
The levels support the following rare species:
- Variable damselfly (Coenagrion pulchellum)
- Flowering rush (Butomus umbellatus) – an unusual water-edge plant with sprays of pink flowers in May and June
- Northern lapwing (Vanellus vanellus)
- Musk beetle (reens
- Great silver water beetle (Hydrophilus piceus) – Britain's biggest beetle ignoring the Stag beetle's extra length due to antlers
- Water vole (Arvicola terrestris)[13]
-
Variable damselfly (male; Coenagrion pulchellum)
-
Flowering rush (Butomus umbellatus)
-
Northern lapwing (Vanellus vanellus)
-
Musk beetle (Aromia moschata)
-
Great silver water beetle (Hydrophilus piceus)
-
European water vole (Arvicola amphibius)
References
- ^ Historic Landscape Characterisation: The Gwent Levels
- ^ "The Landscape". Living Levels. Retrieved 13 November 2023.
- ^ a b Gwent Levels – Historic Landscape Characterisation
- ^ Bell, M., Caseldine, A. and Neumann, H. (2000). Prehistoric Intertidal Archaeology in the Welsh Severn Estuary, CBA Research Report 120
- ^ Stephen Rippon, The Historic Landscapes of the Severn Estuary, Archaeology in the Severn Estuary, 11 (2000), 1, pp 9–35.
- ^ "The great flood of 1607: could it happen again?". BBC Somerset. Retrieved 20 February 2008.
- ^ Geograph photos of Reens in the Levels, accessed 5 May 2021
- ^ "Mapping the Levels". Living Levels. The Living Levels Partnership. 24 April 2020. Retrieved 19 August 2023.
- ^ Caldicot & Wentlooge Levels Internal Drainage Board Website Archived 11 September 2011 at the Wayback Machine
- ^ South Wales Argus, Gwent public body responds to damning report, 8 October 2012. Retrieved 10 October 2012
- ^ Monmouthshire Free Press, Newport MP calls for police probe after damning report on Gwent quango, 10 October 2012. Retrieved 11 October 2012
- ^ BBC Newport Wetlands Reserve 18 February 2009 news.bbc.co.uk, accessed 5 May 2021
- ^ Natural World Magazine, Spring 2009, The Wildlife Trust, published by Think publishing