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 Scout camp January 1908, and later appeared in book form. Scouting began to spread throughout Great Britain and Ireland, then through the countries of the British Empire, and soon to the rest of the world. A reunion of the original campers was held in 1928 at the Chief Scout's home at Pax Hill in Hampshire. A commemorative stone by sculptor Don Potter was unveiled on 1 August 1967 by the Hon. Betty Clay née Baden-Powell, younger daughter of Lord and Lady Baden-Powell. It is located near the encampment area. There is also a small bust of B-P outside a wall of Brownsea