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The UN Environment Programme (UNEP) works to safeguard oceans and seas and encourage the wise use of marine resources, particularly through its Regional Seas Program. [64] The sole international legal foundation for regional ocean and sea protection is the Regional Seas Conventions and Action Plans.
A marine coastal ecosystem is a marine ecosystem which occurs where the land meets the ocean. Worldwide there is about 620,000 kilometres (390,000 mi) of coastline. Coastal habitats extend to the margins of the continental shelves, occupying about 7 percent of the ocean surface area.
Ocean Elders is a worldwide group of oceans defenders, dedicated to protecting the ocean, wildlife, and nature itself. The group promotes the expansion of existing marine protected areas and the creation of new ones, allowing marine ecosystems to recover from the effects caused by human activities.
A humpback whale (Megaptera novaeangliae) A leopard seal (Hydrurga leptonyx). Marine mammals are mammals that rely on marine (saltwater) ecosystems for their existence. They include animals such as cetaceans (whales, dolphins and porpoises), pinnipeds (seals, sea lions and walruses), sirenians (manatees and dugongs), sea otters and polar bears.
The mass of the oceans is approximately 1.35 × 10 18 metric tons, or about 1/4400 of the total mass of the Earth. The oceans cover an area of 3.618 × 10 8 km 2 with a mean depth of 3,682 m, resulting in an estimated volume of 1.332 × 10 9 km 3. [20]
Marine biology is the scientific study of the biology of marine life, organisms that inhabit the sea.Given that in biology many phyla, families and genera have some species that live in the sea and others that live on land, marine biology classifies species based on the environment rather than on taxonomy.
As sharks go, LeeBeth is something like a long-haul trucker with gills and giant teeth. Swimmers at the beach might not be excited to see the 14-foot (4.3-meter) white shark, but scientists ...
We Are Water Protectors is a 2020 picture book written by Carole Lindstrom and illustrated by Michaela Goade.Written in response to the Dakota Access Pipeline protests, the book tells the story of an Ojibwe girl who fights against an oil pipeline in an effort to protect the water supply of her people.