Canvey Island risks to London and the Thames estuary area. It is proposed that the western side of Canvey is developed as a site which is either temporarily flooded at times of risk, or transformed into a permanent wetland. Developments in the 20th century have produced a marked contrast between the environments in the east and west of the island. The eastern half of the island is allocated to residential areas, the main public amenities and a small holiday camp and seafront, while the western half of the island is mainly farmland, marshes and industrial areas. The marshes in the west include
Irabere estuary and Iliomar forest Important Bird Area Irabere estuary and Iliomar forest Important Bird Area The Irebere estuary and Iliomar forest Important Bird Area is a tract of land in East Timor, a country occupying the eastern end of the island of Timor in the Lesser Sunda Islands of Wallacea. The 16,554 ha IBA lies on the border between the districts of Viqueque to the west and Lautém to the east. In elevation it ranges from sea level to about 500 m. It contains the area around the Irabere River estuary, which is vegetated by degraded semi-evergreen forest on alluvial soils, "Casuarina" forest along the river and