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Oppgaver til gruppetime torsdag 27. oktober.
Oppgaver til gruppetime torsdag 27. oktober.

... 4. How are deep-sea trenches and sub-sea mountain ridges / island arcs created? 5. What is the name of the deepest deep-sea trench in the Atlantic and the Pacific Oceans and where is it located? 6. In which ocean is the oldest oceanic crust likely to be found? Why? 7. A boat uses an echo-sounder to ...
Northeast Pacific Ocean
Northeast Pacific Ocean

... The area of the north pacific is a very fertile area of the ocean bringing many species from far and wide. ...
For Creative Minds - Arbordale Publishing
For Creative Minds - Arbordale Publishing

... Things change the deeper you go in the ocean: light disappears, temperatures grow increasingly colder, and pressure gets much higher. The amount of oxygen in the water decreases with depth but then gets higher again at the bottom! Because these changes affect the types of organisms that can survive ...
Here is an example formatted abstract
Here is an example formatted abstract

... Decadal change of the deep and upper ocean heat content of the north-east Atlantic KING, MCDONAGH, GARRY We examine the vertical distribution of trends in heat content of the north-east basin of the Atlantic Ocean since the late 1980s. The 2010 analysis of Purkey and Johnson identified this basin as ...
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Marine Environments

... may settle on all three zones, they can be killed by other species/organisms outgrowing, crushing, or uplifting them. ...
Multiple-Choice Questions - Raleigh Charter High School
Multiple-Choice Questions - Raleigh Charter High School

... z. tropical rain forest Most sea life is found in which area? w. On or above continental shelves x. In trenches y. Along mid-ocean ridges z. Near deep-sea hydrothermal vents Coastal upwelling results in ________. w. carbon dioxide-rich water surfacing x. warm water surfacing y. mixing of salt and fr ...
History of Deep Sea Biology - Monterey Bay Aquarium Research
History of Deep Sea Biology - Monterey Bay Aquarium Research

... • Dredging equipment – Winch – Dredging platform – Accumulators (safety springs) – Beam trawl ...
Oceans cover much of Earth`s surface. They are so large that they
Oceans cover much of Earth`s surface. They are so large that they

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... Maurice Lamontagne Institute, DFO, Mont Joli, Canada ...
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Marine Ecosystems

... Also protects coastal dunes & estuary systems. ...
Inner-Space Speciation Project
Inner-Space Speciation Project

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... • Includes the shallow waters above the continental shelf, which extends out about 300 km. • This zone contains the nutrients carried into oceans and rivers. • This zone is shallow so therefore light reaches all the way to the ocean floor. • Organisms such as algae, fish, mussels, crabs, barnacles, ...
Homework Nov 28-Dec 2 - Avery County Schools
Homework Nov 28-Dec 2 - Avery County Schools

... Ocean current that brings cold deep water to the ocean surface, _____________ The place where ocean (salt) water meets fresh water _______________ Area of ocean between high and low tide, Examples of organisms are: crabs, starfish, ...
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3.07 - sarabrennan

... A clouds B Pacific Ocean C polar ice caps D rivers ...
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Chapter 8 Review

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Chapter 13: PELAGIC COMMUNITIES
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15.2 Diversity of Ocean Life & 15.3 Oceanic Productivity
15.2 Diversity of Ocean Life & 15.3 Oceanic Productivity

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... water habitats which are almost completely unknown. This prospectus describes plans for a collaborative venture of discovery between research bodies in Australia, New Zealand, the United States and the United Kingdom, to bring together a team of international experts to conduct research in the deep- ...
4.3 Aquatic Food Production Systems
4.3 Aquatic Food Production Systems

... • Aquatic (freshwater and marine) flora and fauna are harvested by humans. • The highest rates of productivity are found near coastlines or in shallow seas, where upwellings and nutrient enrichment of surface waters occurs. • Harvesting some species, such as seals and whales, can be controversial. E ...
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Unit 1 - davis.k12.ut.us
Unit 1 - davis.k12.ut.us

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The Diversity of Ocean Life
The Diversity of Ocean Life

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The Ocean
The Ocean

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Marine Ecosystems
Marine Ecosystems

... Oceanic Zone The oceanic zone is made up of the open waters of the ocean ...
highest species diversity of all fresh water ecosystems.
highest species diversity of all fresh water ecosystems.

... range in size from just a few square meters to thousands of square kilometers ponds may be seasonal, lasting just a couple of months (such as sessile pools) lakes may exist for hundreds of years or more may have limited species diversity since they are often isolated from one another and from other ...
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Deep sea fish



Deep-sea fish are fish that live in the darkness below the sunlit surface waters, that is below the epipelagic or photic zone of the sea. The lanternfish is, by far, the most common deep-sea fish. Other deep sea fish include the flashlight fish, cookiecutter shark, bristlemouths, anglerfish, and viperfish.Only about 2% of known marine species inhabit the pelagic environment. This means that they live in the water column as opposed to the benthic organisms that live in or on the sea floor. Deep-sea organisms generally inhabit bathypelagic (1000m-4000m deep) and abyssopelagic (4000m-6000m deep) zones. However, characteristics of deep-sea organisms, such as bioluminescence can be seen in the mesopelagic (200m-1000m deep) zone as well. The mesopelagic zone is the disphotic zone, meaning light there is minimal but still measurable. The oxygen minimum layer exists somewhere between a depth of 700m and 1000m deep depending on the place in the ocean. This area is also where nutrients are most abundant. The bathypelagic and abyssopelagic zones are aphotic, meaning that no light penetrates this area of the ocean. These zones make up about 75% of the inhabitable ocean space.The epipelagic zone (0m-200m) is the area where light penetrates the water and photosynthesis occurs. This is also known as the photic zone. Because this typically extends only a few hundred meters below the water, the deep sea, about 90% of the ocean volume, is in darkness. The deep sea is also an extremely hostile environment, with temperatures that rarely exceed 3 °C and fall as low as -1.8 °C (with the exception of hydrothermal vent ecosystems that can exceed 350 °C), low oxygen levels, and pressures between 20 and 1,000 atmospheres (between 2 and 100 megapascals).
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