Oil shale (or kukersite) and limestone deposits, along with forests which cover 47% of the land, play key economic roles in this generally resource-poor country.

沿着林区，覆盖整个陆地面积47%的油页岩(位于kukersite)和石灰岩矿藏在这个资源匮乏的国家的经济中扮演了重要的角色。

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Holes and pore space of limestone, heavy rainfall, soil loss, the topography of slope and the destroy on forests imposed by humankind were the main causes of lithification in karst area.

岩溶洞隙和孔隙、强降雨、土壤流失、较大坡度的地貌以及人为因素对森林植被的破坏是岩溶石漠化的主要原因。

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The 11 sq km (1100 hectares) area of seabed, includes kelp forests, rocky reef habitat and limestone ledges encrusted in marine life.

BBC: Lobster

West and south of Siena, and two hours north of Rome, it sweeps from a Tyrrhenian seacoast of limestone cliffs, deserted dunes, and umbrella pines that look like fantasy broccoli forests, across broad plains of olive trees and scented Mediterranean brush, and up to shadowy woodlands and ancient, fortified hill towns.

FORBES: The Other Tuscany