Otterburn Mires is a significant area of upland blanket bog and heathland located within the Cheviot Hills in Northumberland, England. It forms a substantial part of the Otterburn Training Area (OTA), a large military training ground operated by the Ministry of Defence.
Geography and Location The mires are situated in the northern part of Northumberland, approximately 5 miles (8 km) north-west of the village of Otterburn. The area is characterized by gently undulating hills, vast expanses of peatland, and a high-altitude moorland environment, typically ranging from 250 to 500 meters (820 to 1,640 feet) above sea level. The underlying geology is primarily sedimentary, with significant peat deposits accumulated over millennia.
Ecology and Biodiversity Otterburn Mires is a highly valuable ecological site, designated as a Site of Special Scientific Interest (SSSI) due to its extensive and well-developed blanket bog habitats. These mires are crucial for:
- Peatland Ecosystems: They represent one of the largest and best-preserved examples of active blanket bog in England, acting as a vital carbon sink.
- Flora: Dominant plant species include sphagnum mosses (which create the peat), heather (common ling), cotton-grasses (bog cotton), and various sedges. Carnivorous plants like sundews can also be found.
- Fauna: The area supports a rich array of upland bird species, including ground-nesting waders such as golden plover, curlew, redshank, snipe, and lapwing. Raptors like hen harrier, merlin, and peregrine falcon are also known to hunt over the mires. Mammals present include red deer, roe deer, and various small rodents.
- Hydrology: The mires play a critical role in water regulation, acting as a natural sponge that slowly releases water into surrounding river systems, including tributaries of the River Rede.
Human Activity and Military Use The primary human activity impacting Otterburn Mires is its use as part of the Otterburn Training Area. The OTA, established in 1911, is the UK's largest live-firing range, covering over 230 square kilometers (90 sq mi). Despite the intense military training, which includes artillery and infantry exercises, strict environmental management practices are in place to minimize ecological damage. Access to certain parts of the mires is restricted for public safety, particularly during live-firing periods.
Conservation Status As an SSSI, Otterburn Mires benefits from statutory protection. Conservation efforts focus on maintaining the hydrological integrity of the peatlands, managing heather burning, controlling invasive species, and ensuring military activities are conducted in an environmentally sensitive manner. The MOD, in partnership with Natural England and other conservation bodies, works to balance training requirements with ecological preservation.
See Also
- Otterburn Training Area
- Site of Special Scientific Interest
- Blanket bog
- Cheviot Hills
- Northumberland National Park