Animalscaretips
Lobster, Dungeness crab, tuna, cod, halibut, sole and mackerel can be found. Permanent rock fixtures are home to anemones, sponges, clams, oysters, scallops, mussels and coral. Larger animals such as whales and sea turtles can be seen in continental shelf areas as they follow migration routes.
- What is an example of continental rise?
- What is found on the continental shelf?
- Why is a continental shelf a good place for organisms to live?
- Where are continental rises?
- What is continental rise in geography?
- What animals live in the abyssal plain?
- What is a continental habitat?
- Do most marine organisms live near the continental shelf?
- Is India a continental shelf?
- How deep is the continental slope?
- What is continental plain?
- Is the continental rise steep?
- Is the Deepest Indian Ocean Trench?
- Do islands have continental shelf?
- Why most of the major fisheries in the world are found on continental shelves?
What is an example of continental rise?
The continental rise completely surrounds Antarctica covering 39.4% of the Southern Ocean (see Table), forming a halo of sediment surrounding the Antarctic continent.
What is found on the continental shelf?
Continental shelves are usually covered with a layer of sand, silts, and silty muds. Their surfaces exhibit some relief, featuring small hills and ridges that alternate with shallow depressions and valleylike troughs.
Why is a continental shelf a good place for organisms to live?
Sunlight penetrates the shallow waters, and many kinds of organisms flourish—from microscopic shrimp to giant seaweed called kelp. Ocean currents and runoff from rivers bring nutrients to organisms that live on continental shelves. Plants and algae make continental shelves rich feeding grounds for sea creatures.
Where are continental rises?
The continental rise is a low-relief zone of accumulated sediments that lies between the continental slope and the abyssal plain. It is a major part of the continental margin, covering around 10% of the ocean floor.
What is continental rise in geography?
continental rise, a major depositional regime in oceans made up of thick sequences of continental material that accumulate between the continental slope and the abyssal plain.
What animals live in the abyssal plain?
Animals that commonly occur in abyssal sediments include molluscs, worms (nematodes, sipunculids, polychaetes, hemichordates and vestimentiferans) and echinoderms (holothuroids, asteroids, ophiuroids, echinoids, and crinoids).
What is a continental habitat?
It is the shallow margin of deep ocean basins that extends from the upper continental slope to the shoreline. At the ocean side it is terminated by a pronounced change in bottom slope, called shelf break. The average slope of the continental shelf is generally very gentle, less than 1 degree.
Do most marine organisms live near the continental shelf?
Most marine life is found in coastal habitats, even though the shelf area occupies only seven percent of the total ocean area. Open ocean habitats are found in the deep ocean beyond the edge of the continental shelf. Alternatively, marine habitats can be divided into pelagic and demersal zones.
Is India a continental shelf?
The 2493 km-long shoreline of eastern India is fringed with a continental shelf with a variable width of 35 km off Tamil Nadu to 60 km off north Andhra Pradesh and 120 km around Digha. ... The east continental shelf of India is characterized by four major deltas; the Ganges, Mahanadi, Krishna–Godavari and Cauvery.
How deep is the continental slope?
The continental slope extends from the shelf break to water depths typically of around 3,000–4,000 m where an abrupt change in gradient delimits the foot of slope.
What is continental plain?
The continental margin, between the continental shelf and the abyssal plain, comprises a steep continental slope, surrounded by the flatter continental rise, in which sediment from the continent above cascades down the slope and accumulates as a pile of sediment at the base of the slope.
Is the continental rise steep?
The continental rise on a passive continental margin is a zone of sediment deposition on slopes that are typically between 1 : 50 and 1 : 500 and occurs beyond the steeper continental slope, which is commonly incised by canyons. The continental rise consists principally of submarine fans.
Is the Deepest Indian Ocean Trench?
The Indian Ocean's average depth is 12,274 feet (3,741 metres), and its deepest point, in the Sunda Deep of the Java Trench off the southern coast of the island of Java (Indonesia), is 24,442 feet (7,450 metres).
Do islands have continental shelf?
Islands. ... Islands possess the same maritime zones as other landmasses, including a territorial sea, contiguous zone, EEZ, and continental shelf. Islands do not need to be inhabited to create those maritime zones; they only need to be capable of sustaining human habitation or economic life.
Why most of the major fisheries in the world are found on continental shelves?
Continental shelves are shallower in relation to deep sea, this enables sunlight to penetrate through water. Thus, with sunlight marine flora grows abundantly, for instance grass, sea weds and planktons.
