around 40 percent of its pre-contact level during the 19th century; introduced diseases were the major factor.
The British Government appointed James Busby as British Resident to New Zealand in 1832 and in 1835, following an announcement of impending French settlement by Charles de Thierry, the nebulous United Tribes of New Zealand sent a Declaration of the Independence to King William IV of the United Kingdom asking for protection. Ongoing unrest and the dubious legal standing of the Declaration of Independence prompted the Colonial Office to send Captain William Hobson to claim sovereignty for the British Crown and negotiate a treaty with the Māori. The Treaty of Waitangi was first signed in the Bay of Islands on 6 February 1840. In response to the commercially run New Zealand Company's attempts to establish an independent settlement in Wellington and French settlers "purchasing" land in Akaroa, Hobson declared British sovereignty over all of New Zealand on 21 May 1840, even though copies of the Treaty were still circulating. With the signing of the Treaty and declaration of sovereignty the number of immigrants, particularly from the United Kingdom, began to increase.
New Zealand, originally part of the colony of New South Wales, became a separate Crown colony in 1841. The colony gained a representative government in 1852 and the 1st New Zealand Parliament met in 1854. In 1856 the colony effectively became self-governing, gaining responsibility over all domestic matters other than native policy. (Control over native policy was granted in the mid-1860s.) Following concerns that the South Island might form a separate colony, premier Alfred Domett moved a resolution to transfer the capital from Auckland to a locality near the Cook Strait. Wellington was chosen for its harbour and central location, with parliament officially sitting there for the first time in 1865. As immigrant numbers increased, conflicts over land led to the New Zealand Wars of the
