Bay of Plenty in the region. Missionary activity in the region also increased during this time. In 1853, New Zealand was subdivided into provinces, with the Bay of Plenty incorporated into Auckland Province. Conflict returned to the Bay of Plenty during the 1860s with the New Zealand Land Wars. Initially this stemmed from Tauranga iwi supporting the Waikato iwi in their conflict with the government. In retaliation, British Crown and government-allied Māori forces attacked the Tauranga iwi, including at the famous Battle of Gate Pā in 1864. Further conflict with the government arose in 1865 when German missionary Carl Völkner and interpreter James
Bay of Plenty is emerging as a major regional source of electricity. Tourism is the other notable industry, accounting for 15% of the region's GDP from March 2000 to 2004. Overall economic growth in the Bay of Plenty averaged 2.1% between March 2000 and 2004, compared with the national rate of 3.5%, although per capita real GDP growth in the five years to March 2003 matched the national growth rate at an averaged 2.3%. In the 2006 Census, the median annual income was $22,600, below the national median of $24,400. Further, 45.4% of people aged 15 years or older earned an annual income