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Cuban pine forests : ウィキペディア英語版 | Cuban pine forests
The Cuban pine forests are a tropical coniferous forest ecoregion on the Caribbean islands of Cuba and Isla de la Juventud. They cover an area of , occurring in separate sections in eastern Cuba and western Cuba and Isla de la Juventud. ==Description== Pine forests are found primarily in well-drained, nutrient-poor, acidic soils such as quartziferous sands, pseudo-spodosols in the west, and lateritic soils. Pine trees and encino (''Quercus sagraeana'') obtain nutrients through an ectomycorrhizal symbiosis with fungi, allowing them to attain tree size. The forests feature a dense xerophytic brushy story of mainly Rubiaceae, Euphorbiaceae, Myrtaceae, and Melastomataceae along with a herbaceous story of a few epiphytes, primarily from the genus ''Tillandsia'', and lianas. Secondary forests formed by deforestation have a more open canopy with an understory dominated by ''Comocladia dentata''; grasses, lianas and epiphytes are poorly represented.〔
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