Trusts and other organisations are undertaking many practical projects to conserve and restore water vole populations. Water voles have recently returned to Lindow Common nature reserve in Cheshire, after many years of absence. The reserve rangers credit this to conservation management, which included thinning of woodland. In September 2019, the Box Moor Trust re-introduced 177 Water Voles in to the River Bulbourne in Hemel Hempstead as part of a three-year plan. There is an existing population in nearby Sarratt, and it is hoped that in time the two groups will breed. Wetlands West (formerly the Severn and Avon Vales Wetlands Partnership) reports on work done as part of the Water Vole Recovery Project in the Berkeley Vale. In Gloucestershire a new nature reserve for water voles was created in 2009/2010 at Nind (a former trout farm). Glasgow has recently been identified as a stronghold for water voles, including a distinct population of 'fossorial' water voles, which have been reported as inhabiting brownfield sites, road verges and urban parks. The European otter has been known to attack mink preying upon water voles. There are also indications that the water vole is increasing in numbers in U.K. areas where the European otter has made a return. National Water-Vole Monitoring Programme (NWVMP) In 2015, People's Trust for Endangered Species launched a new project to try to coordinate conservation efforts for the water-vole in the U.K. The National Water-Vole Monitoring Programme (NWVMP) is the first ongoing monitoring scheme for this species in the U.K. and aims to bring together data from several hundred sites to allow the status of this animal to be assessed year-on-year. Literary appearances A water vole named "Ratty" is a leading character in the 1908 children's book The Wind in the Willows by Kenneth Grahame: the locality used in the book is believed to be Moor Copse in Berkshire, England, and the character's name "Ratty" has become widely associated with the species and their riverbank habitat, as well as the misconception that they are a species of rat. In the comic novel and film Cold Comfort Farm by Stella Gibbons, one of the characters, Urk, refers to the subject of his unrequited love, Elfine Starkadder, as his little water-vole. Throughout the story, Urk spends a lot of time talking to the water-voles on the farm. C. S. Calverley a 19th-century writer of (among other things) light verse, in his poem