marine mineral resources slideshare
}, 52 "width": "1024"
Marine Economics, Marine Resources",
", "width": "1024" Clipping is a handy way to collect important slides you want to go back to later. Marine natural resources include both biological and physical sources. "@type": "ImageObject", --Recent discovery of hydrothermal vents has led scientists and economists to new sources of zinc, iron, copper, lead, silver, and cadmium, all bonded to sulfur, and emerging from the lower crust and mantle.
"description": "--The project of mapping the U.S. EEZ still continues today, locating new resources yearly, including metallic sulfides and manganese nodules. "description": "--The problem in accessing these reserves are the 12,000 ft depths in which they are found, currently, no widespread mining efforts have been made, only small scale dredging operations, but so far the costs are too high", See our User Agreement and Privacy Policy. { "name": "--Potassium salts are used in chemicals and fertilizers", 60% of U.S. magnesium production is carried out in one Texas processing plant for a tidy profit of $350 million. "@type": "ImageObject", It was built in Cuba in the 1930s, and proved profitable, but was destroyed by a hurricane. "contentUrl": "https://slideplayer.com/slide/14270326/89/images/71/ii.+Fishery+Mismanagement.jpg", ", "@type": "ImageObject", }, 60 Salmon ranching accounts for 20% of salmon supplies.
Looks like youve clipped this slide to already. Mariculture is estimated to produce one eighth as much product as freshwater aquaculture. both travel and shipping. Endangered sea turtles are being caught in shrimp nets, Seals and sea lions are being caught in drift nets, dolphins are being caught by tuna fishermen. --Trouble comes with competition between immediate profit and sustainable fisheries, with the former taking precedence over the latter. "contentUrl": "https://slideplayer.com/14270326/89/images/slide_83.jpg", --Potassium salts are used in chemicals and fertilizers--Potassium salts are used in chemicals and fertilizers. "description": "", "@type": "ImageObject", It is the largest known reservoir of hydrocarbons on Earth. They also have full access to information about beneficial and harmful effects so informed decisions can be made "@context": "http://schema.org", ", }, 36 "width": "1024" Environmental The United Nations became involved and held a conference in In 1982, the U.N. finally drafted a Law of the Sea. Freezing is also effective for removing salt from water2. "width": "1024" Case Study No. Island nations like Japan and the UK get 20% of their sand and gravel from the seafloor. --OTEC (Ocean Thermal Energy Conversion) plants, were based on a 1880s design my a French physicist, dArsonval. "width": "1024" "width": "1024" 1. Case Study No. }, 49 "description": "The concentration of these minerals coats the bottom of the Red Sea in commercial concentrations..", 3. { { Saudi Arabia operates the largest desalination plant, producing 30 million gallons per day. "@context": "http://schema.org", "description": "Whale watching trips bring in an estimated $210 million per year, while overall marine mammal themed products and displays bring in over $400 million..", "contentUrl": "https://slideplayer.com/slide/14270326/89/images/60/--OTEC+plants+have+not+been+more+widely+used%2C+because+they+are+only+2%25+efficient%2C+due+to+the+low+range+in+high+and+low+temperatures..jpg", If global warming continues, and the oceans continue to warm, more methane could be released, leading to higher and higher temperatures (positive feedback loop). "@context": "http://schema.org", "@type": "ImageObject", "contentUrl": "https://slideplayer.com/slide/14270326/89/images/75/--Trouble+comes+with+competition+between+immediate+profit+and+sustainable+fisheries%2C+with+the+former+taking+precedence+over+the+latter..jpg", "description": "Marine Mammal Protection Act was passed in 1972, to help protect all whale species, not just large whales. "width": "1024" Oceans 11. "@type": "ImageObject", }, 37 }, 29 ", }, 73 e. Methane hydrates Hello! --The Red Sea is another divergent plate boundary where these minerals are found closer to the surface. "name": "--The problem in accessing these reserves are the 12,000 ft depths in which they are found, currently, no widespread mining efforts have been made, only small scale dredging operations, but so far the costs are too high", Thermal Gradient", Activate your 30 day free trialto unlock unlimited reading. "description": "Algin Maximum sustainable yield.
See our User Agreement and Privacy Policy. If you continue browsing the site, you agree to the use of cookies on this website. vii. "@context": "http://schema.org", "@context": "http://schema.org", { Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. "description": "", "@context": "http://schema.org", "name": "ii. 11- Hydroelectric Power Plant in the Philippines, Case Study No.
"name": "", "contentUrl": "https://slideplayer.com/14270326/89/images/slide_78.jpg", "width": "1024" "name": "--Estimates are that the Pacific ocean contains 20 times more ore reserves than are found on all the world\u2019s landmasses. "name": "--Petroleum forms from dead organisms that have accumulated on the ocean floor where there were no scavengers to break them down. { ", "description": "--Nonrenewable resources such as oil, gas, and solid mineral deposits are present in the ocean in fixed amounts and cannot be replenished over time spans as short as human lifetimes. Activate your 30 day free trialto continue reading. "@context": "http://schema.org", "@context": "http://schema.org", The International Whaling Commission banned the hunting of large whales in 1986, even though some countries still catch whales for food sales by calling it scientific study. "contentUrl": "https://slideplayer.com/slide/14270326/89/images/111/5.+Encouragement+of+the+freedom+of+scientific+research..jpg", ix. --The project of mapping the U.S. EEZ still continues today, locating new resources yearly, including metallic sulfides and manganese nodules. "@type": "ImageObject", SlideShare uses cookies to improve functionality and performance, and to provide you with relevant advertising. { "name": "--The best fishing grounds are located in temperate waters over continental shelves. Fishery Mismanagement", "width": "1024" "description": "", U.S. mariculture generates over $150 million, mostly lobster, abalone, salmon and oysters. One third of all species caught while trawling is thrown away and wasted. "@context": "http://schema.org", "contentUrl": "https://slideplayer.com/slide/14270326/89/images/102/Aquaria+and+theme+parks+like+Sea+World+bring+in+millions+of+guests+per+year..jpg", If you continue browsing the site, you agree to the use of cookies on this website. "name": "--There is no pure free market system", ", Methane Hydrate --This is when methane becomes trapped in ice crystals ft below the seafloor. Bromine is used in medicines, chemical processes, and gasoline. 1.1 billion tons are removed from the oceans annually bringing in about $500 million in revenues. Only about 500 different species are regularly caught and processed. Aquaculture Nonextractive resources. "description": "--Estimates are that the Pacific ocean contains 20 times more ore reserves than are found on all the world\u2019s landmasses. }, 101 "width": "1024" The United States Exclusive Economic Zone", ", "@type": "ImageObject", "@context": "http://schema.org", "name": "i. ",
Oysters are cultured for pearls as well as for their meat. ", "name": "--At depth, the compounds are very stable, but become volatile and flammable when brought up from the depths. { }, 90 Cyanobacteria chemicals may help AIDS patients. "description": "--Phosphorite forms from decaying marine organisms, and are used in the production of industrial chemicals and agricultural fertilizers. One third of table salt is evaporated from seawater. Petroleum The U.S. evaporates about 5.2 million tons of table salt worth $155 million. "@context": "http://schema.org", It was built in Cuba in the 1930s, and proved profitable, but was destroyed by a hurricane. Instant access to millions of ebooks, audiobooks, magazines, podcasts and more. }, 42 }, 17 "description": "--Marine economics\u2014individuals, businesses, and governments making economic decisions about what ocean-related goods and services to produce, how to produce them, how much to produce, and how to distribute. "width": "1024" "@type": "ImageObject", ", "@type": "ImageObject", "name": "--The U.S.", ", "description": "--Commercial fishing is also responsible for bycatch, or bykill. "@type": "ImageObject", 25% of magnesium compounds produced in the U.S. are from seawater, which brings in around $76 million. Sea whips give off a chemical that acts as an anti-inflammatory. --These sites are not economically advantageous, due to the depth of the deposits, the small size of the deposits, and the short lifespan of the deposits. --Desalination is the separation of pure water from seawater, and processing facilities are working worldwide to help create more freshwater. High seas are outside the EEZ and belong to everyone3. It provides a treasured source of recreation for humans. "name": "vii. The ocean is one of Earth's most valuable natural resources. --Mg is the 3rd most abundant element dissolved in seawater. --In 1995, the U.S. fishing industry spent $124 billion to catch $70 billion worth of fish, with government subsidies and tax breaks making up the difference. --Methane release from the depths causes major changes to the worlds climate. "name": "c. Biological Resources", Shrimp mariculture is estimated to generate $6 billion yearly. { "name": "3. Freezing is also effective for removing salt from water. Thought to be between 110 and 150 million tons annually. "width": "1024" Chapter 17: Marine Resources. "@context": "http://schema.org", "description": "", }, 79 }, 59 { Most aquaculture occurs in China. }, 99 "width": "1024" Laws and regulation Mare Liberum Territorial sea 1958 to 1982 UN Law of the Sea Ratified in 1993 International law. "@context": "http://schema.org", }, 78 (40% of the oceans), 3. "width": "1024" ", "description": "--There is no pure free market system. "description": "--15 million people worldwide are employed in the fishing industry. }, 110 "@type": "ImageObject", { }, 111 }, 57 Marine natural resources include both biological and physical sources. To make this website work, we log user data and share it with processors. 6-Road and Drainage Improvement Project in Caloocan City, Case Study No. { { Review and New Material Now that our class has tested its times to move on BUT. Honk Kong was the first port to move 1 million containers in one month. The United Nations became involved and held a conference in In 1982, the U.N. finally drafted a Law of the Sea. 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