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Pico Alto (Santa Maria)
Pico Alto (literally ''high/tall peak'') is the highest point, , on the island of Santa Maria, in the Portuguese archipelago of the Azores.
==History==
The initial formation of the Facho-Pico Alto Volcanic Complex was a phase of intense volcanism, resulting from submarine eruptions as early as 5 million years ago, resulting in the formation of Pico do Facho and extensive pillow lavas.〔Serralheiro (2003)〕〔 Remnants of these pillow lavas can be identified above sea level, helping to increase the size of the island to roughly its current dimensions.〔
Following these eruptions, the land receded into the sea, resulting into a period of sub-aerial volcanism that resulted in the great relief in the complex, which is associated with lahars and erosional growth.〔 The Pico Alto complex occurred continuously between 5 and 3 million years ago.〔
On 5 December 2012, the ''Secretaria Regional dos Recursos Naturais'' (''Regional Directorate for Natural Resources'') announced that they were beginning a reforestation program for Pico Alto; the forest of Santa Maria was considered ''"more identitical to those original () forests of the Azores"''. Using seed from the Forest Service of Nordeste, the operational team of the Nature Park of Santa Maria began planting endemic species of Heather (''Vaccinium cylindraceum''), Azores Laurel (''Laurus azorica'') and other plants.〔 This followed a program of eliminating invasive plants species that began in 2011, under the ''Plano Regional de Controle de Flora Invasora em Áreas Sensíveis'' program.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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