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The Earth has around 620,000 kilometres (390,000 mi) of coastline. Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity. On land, they harbor important ecosystems such as freshwater or estuarine wetlands, which are important for bird populations and other terrestrial animals.
28 de nov. de 2023 · Because coasts are dynamic, or constantly changing, they are important ecosystems. They provide unique homes for marine plants, animals, and insects. Coasts can be icy, like the Shackleton Coast of Antarctica, or desert, like the Skeleton Coast of Namibia. Coasts help us understand natural events, such as weather and changing sea levels.
23 de may. de 2024 · Coastal regions, home to 40% of the global population and 12 of the world's 15 largest cities, face unique challenges. These areas, with their access to water, scenic beauty, and economic opportunities, are under pressure from intense human activities and the triple planetary crisis of pollution, biodiversity loss and climate change ...
Definición. Se denomina «costa» a la franja de unión de las tierras emergidas con las sumergidas, ya sea de un continente o de una isla. Generalmente se emplea el término al hablar de bordes marinos, aunque se usa también para designar costas lacustres o fluviales, 1 aunque las orillas de los ríos se denominan riberas, y solo en ríos de ...
Océanos, mares y costas. El PNUMA promueve la protección, conservación, restauración y gestión sostenible de las áreas marinas y costeras del mundo.
Coasts border all bodies of water on Earth, marking the transition from land to water. They are home to over 127 million people—more than 40% of the Nation’s population and provides $8.6 trillion in goods and services each year.
26 de may. de 2024 · Coast, broad area of land that borders the sea. A brief treatment of coasts follows. For full treatment, see coastal landforms. The coastlines of the world’s continents measure about 312,000 km (193,000 miles). They have undergone shifts in position over geologic time because of substantial changes.
