tokens: It includes an area of approximately 17 % of the island , classified under the International Union for Conservation of Nature 's Nature Reserve designation ( which includes the `` Caldeira `` , `` Morro de Castelo Branco `` and `` Caldeirinhas do Monte da Guia `` ) , Protected Areas for the management of habitat or species ( `` Cabeço do Fogo `` , `` Capelinhos `` , `` Costa Noroeste `` , '' Varadouro `` and Castelo Branco ) , Protected Landscape Areas ( `` Monte da Guia `` and the central zone of the island ) and Protected Areas for Management of Resources ( Faial-Pico Channel , Castelo Branco , Capelinhos and Cedros ) .