The National Trust has issued a warning that a number of species face imminent local disappearance from a valley within Eryri (Snowdonia) National Park, the charity said.
The organisation described the situation as being 'on the brink' of species vanishing from the area, highlighting a sharp localised decline in biodiversity. Such losses can reduce ecological resilience and alter the character of habitats long valued for wildlife.
Eryri — known in English as Snowdonia — is Wales' largest national park, encompassing a range of upland, woodland and valley landscapes. The park is a designated area for conservation and recreation, and warnings about species loss in any part of it have implications for both local ecosystems and those who depend on them for conservation and tourism.
The National Trust, which manages land and works to protect landscapes and wildlife across the UK, raised the alert to draw attention to the condition in the valley. The charity's statement adds to broader concern about pressures on species and habitats in protected areas.
Conservation groups and land managers typically use such warnings to call for monitoring and targeted measures to halt or reverse decline. The National Trust's notice is likely to prompt further assessment of the causes and potential responses for the affected valley in Eryri.