Brownsea Island It is within the South Dorset constituency of the House of Commons and the South West England constituency of the European Parliament. Brownsea Island has built up on a bare sand and mud bank deposited in the shallow harbour. Ecological succession has taken place on the island to create topsoil able to support ecosystems. The nature reserve on the island is leased from the National Trust by Dorset Wildlife Trust. This reserve includes a brackish lagoon and area of woodland. Other ecosystems on the island include salt marsh, reedbed, two freshwater lakes, alder carr, coniferous woodland, deciduous woodland and arboretum.
Brownsea Island "Scouting for Boys", and the international Scouting movement grew rapidly. Boy Scouts continued to camp on the island until the 1930s, when all public access to the island was forbidden by the island's owner. After ownership of the island transferred to the National Trust, a permanent Scout camp site was opened in 1963 by Olave Baden-Powell. In August 2007, 100 years after the first experimental camp, Brownsea Island was the focus of worldwide celebrations of the centenary of Scouting. Four camps were set up on the island including a replica of the original 1907 camp, and hundreds of Scouts and