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Oceanic islands
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- Most archipelagoes are made of oceanic islands. This means the islands were formed by volcanoes erupting from the ocean floor. An archipelago made up of oceanic islands is called an island arc. Many island arcs were formed over a single “ hot spot.”
education.nationalgeographic.org/resource/archipelago/
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An archipelago (/ ˌ ɑːr k ə ˈ p ɛ l ə ɡ oʊ / ⓘ AR-kə-PEL-ə-goh), [1] sometimes called an island group or island chain, is a chain, cluster, or collection of islands, or sometimes a sea containing a small number of scattered islands.
An archipelago is a closely scattered cluster of islands. Examples include: the Hawaiian islands, Florida Keys, Bermuda, Bahamas, Philippines, Indonesia, and the Aegeans. Archipelagos occur in oceans, lakes, rivers and other bodies of water.
Oct 19, 2023 · An archipelago is a group of islands closely scattered in a body of water. Usually, this body of water is the ocean, but it can also be a lake or river. Most archipelagoes are made of oceanic islands. This means the islands were formed by volcanoes erupting from the ocean floor.
Most archipelagos are formed when volcanoes erupt from the ocean floor; these are called oceanic islands. The islands of the Hawaiian archipelago, for example, were formed by a series of volcanic eruptions that began more than 80 million years ago and are still active today.
- What Are Archipelago Islands?
- The Formation of Archipelago Islands
- Biodiversity of Archipelago Islands
- Threats to Archipelago Islands and Their Diversity
Archipelago islands, as mentioned above, are a group, chain, or cluster of islands that can be found either in the ocean or in lakes and rivers. There is no set number of islands needed to constitute an Archipelago; however, these island clusters are usually grouped according to geographical relevance to each other, cultural similarities, and ecolo...
Although islands are formed in various ways, it is through three main processes that Archipelago islands are formed.
Because of the unique characteristics of an island, they create a particularly interesting playground of biodiversity. As islands are generally remote and archipelagos only share the ecosystem with their sibling islands, animal and plant life on these islands are often unique and can be found nowhere else on Earth. Furthermore, due to nutrient-rich...
Archipelago islands and the life they support are under threat from both human-induced and natural occurrences. Some of which include: 1. Increase in tourism: Popular holiday Archipelago islands such as Hawaii and the Maldives see a large increase in human population, many of which pay no attention to the intricacies of the island’s ecology. This b...
Jan 12, 2018 · An archipelago is a specific geological land formation that is made up of a number of islands. It is sometimes referred to as an island chain or island cluster. The various islands that are considered part of the same archipelago are located relatively close together.
It now consists of over 130 islands, reefs, and atolls. Archipelagos can be formed in other ways, too. For example, some formed when the last ice age ended. Valleys amongst small mountain ranges along coastlines became flooded when the ice melted. This left a string of islands just off the coast of the mainland.
