The state has a range of flora and fauna with many species and habitats. To protect this diversity of wildlife there are Protected areas of Tamil Nadu as well as biospheres which protect larger areas of natural habitat often include one or more national parks. The Gulf of Mannar Biosphere Reserve established in 1986 is a marine ecosystem with seaweed seagrass communities, coral reefs, salt marshes, and mangrove forests. The Nilgiri Biosphere Reserve located in the Western Ghats and Nilgiri Hills comprises part of adjoining states of Kerala and Karnataka. The Agasthyamala Biosphere Reserve is in the southwest of the state bordering Kerala in the Western Ghats. Tamil Nadu is home to five declared national parks located in Anamalai, Mudumalai, Mukurithi, Gulf of Mannar, Guindy located in the centre of Chennai city and Vandalur located in South Chennai. Sathyamangalam Tiger Reserve, Mukurthi National Park and Kalakkad Mundanthurai Tiger Reserve are the tiger reserves in the state.