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 posts Scout and Guide flags at the approach to the altar. In 2007, to coincide with the Scouting centenary, about 40 new kneelers or hassocks were given to the church, decorated with the 21 World Scout Jamboree badges and other Scouting, Guiding and island badges. The church is often used for services during large camps. Brownsea Island is generally open to the public from March to October, via ferry from Poole. The island was reserved for Scouts and Scouters on 1 August 2007 during the Sunrise Camp. The National Trust operates a number of events throughout the summer months including