Wildlife of Zanzibar evolved after the island became separated from the mainland at Tanzania consequent to a rise of the sea level at the end of the ice age. The laws applicable to the wildlife of Tanzania under the Tanzanian Wildlife Act also govern the flora and fauna of Zanzibar. Wild areas are protected in many reserves and Jozani Chwaka Bay National Park. The Zanzibar Forestry Development Project and Zanzibar Integrated Land Development Project are two important projects which address wildlife surveys and monitoring. The World Wildlife Fund (WWF) and IUCN are involved in many wildlife project related activities on the islands. The
Zanzibar ancestral land for which they probably do not have a legal deed. In 1984, fewer than 20,000 tourists visited Zanzibar. Five times more visitors travelled to the island in 2000. The events of September 11, 2001 reduced the inflow of tourists, which was restored only after 2004. Zanzibar has at least 6,200 beds across 6 classes of accommodation. However, there is a disproportionately large number in ungraded, one and two star categories. The energy sector in Zanzibar consists of unreliable electric power, petroleum and petroleum products; it is also supplemented by firewood and its related products. Coal and gas are