Laguna del Maule (volcano) about fourteen shield volcanoes and stratovolcanoes that have been degraded by glaciation. The Laguna del Maule volcanic field covers a surface area of and contains cones, lava domes, lava flows, and shield volcanoes. There are 130 volcanic vents at Laguna del Maule. The lake is surrounded by 36 silicic coulees and lava domes. Over of the field is covered by these rocks, and volcanic ash and pumice produced by the eruptions has been found in Argentina. Presently some summits around Laguna del Maule reach altitudes of . The volcanic field lies at an average height of . Among the various
Laguna de Tacarigua National Park decrease in freshwater intake and the accumulation of sediments cause mouth filling, and consequently the increase in the salinity of the lagoon waters. The park comprises three main ecosystems: a shallow brackish lagoon, a dry forest area and a sandy beach barrier or reef. Laguna de Tacarigua National Park The Laguna de Tacarigua National Park () Also Tacarigua Lagoon National Park Is a protected area with the status of a national park located east of Miranda State, in the South American country of Venezuela. It comprises a permanent coastal lagoon of 7800 ha and 1.2 m of average depth, separated