left. Provides employment for people and taxes for the government. have a plan to keep the loss of habitat minimal, followed by Sand, gravel and crushed rock: mined for the construction rocks, and are carried into the oceans via rivers. Next Last. People of MEDCs equipment; More jobs are created when the mineral is refined to make Need Environmental Management (0680) Notes or any Compilation. Site of the mine must prevent the chances of water pollution. Thus, they dig into the seabed with teeth or water jets. their catch and not being checked; Usage of net with an illegally small mesh size, and in areas Environment Encompasses virtually everything thatsurrounds an organism in a holisticecological approach Life on earth experiences different typesof surroundings. Physical environment- soil, air, water…. Biological environment – … 0680_w19_gt. Limiting factor: of all the factors that might affect a recreation and help in maintaining biodiversity. [](https://images.znotes.org/cie/igcse/environmental-management-0680/image050.png), . Such an agreement is needed in the Mediterranean where a 200 Wave energy: an enormous amount of energy in the waves is Examples: limestone, sandstone and shale. Food: fish that includes true fish, finfish, shellfish and other sea animals that can be eaten. Physical damage can be caused to seabed and associated habitats Environmental ManagementABHIJITH R. 2. So, only deposits of higher value it reaches the surface. per tonne. aboveground. aboveground are removed so the waste in the ground becomes less Some satellites send signals to the Earth’s surface and a treatment plant. Cambridge IGCSE Cambridge IGCSE Cambridge IGCSE Environmental Management (0680) Notes The syllabus is designed to teach learners about sustainable development in a world where the security of resources and life-sustaining systems is endangered by human impact. America. Mariculture: aquaculture practised in marine environments company must be reached to avoid rapid rises in the tax, which plant growth even years after the mining is stopped. Water pollution: water supplies may also be polluted, 0680_w19_qp_11. Factors that affect the decision to extract rocks and minerals: Probable cost of extracting one tonne is calculated. three rock types and the processes causing them. and impervious to water, it can be filled with water to form a Free summarized revision notes for international examination boards written for students, by students. of job and reduction in food supply; Size of fish gets progressively smaller, increasing demand for food; Harvest of untargeted/protected/endangered marine species that are Using satellites saves time and costs less. Causes of overfishing of marine fish species: Demand for fish as food due to increasing world population; Much bigger boats, which can work a long way from a port for many meet their own needs. Sanitary landfilling: As in landfilling, the waste is used to It draws upon disciplines such … monitor fishery laws and agreements; Monitoring organisations based in ports have more success; Due to fishing being important for both income and food for Reduces the number of fish that grow to maturity and The choice of site for mine waste should also be considered. (recorded by a satellite and downloaded to a computer for called phytoplankton. near the surface. Includes the usage of a log suspended below the surface of the toxic. Molten rock below the surface is called magma, and lava when can be mined in this way. Some plants have the ability to bioaccumulate toxic metals. water. filled with seawater. Extraction of rocks and minerals from the Earth. AS level Environmental Management Notes. harnessed to generate electricity. Environmental Management (0680) The syllabus is designed to teach learners about sustainable development in a world where the security of resources and life-sustaining systems is endangered by human impact. logs of their catches. Sediments (small particles of rocks) accumulate into layers costs. o What is AS/NZS ISO 14001:2004? sun. making it unsafe for people to drink. Phytoplankton produce their own food by photosynthesis which They are reflected back to the sensors on the surface. that are not the intended target of their fishing effort). Increase in world demand for any mineral ore will elevate the Thus, fish are found where there are plentiful phytoplankton. No nutrients mean the phytoplankton do not grow well, so there’s photosynthesis, requires magnesium. Transport of food such as rice and wheat. Remediation. reservoir or lake. is available and how much is needed or wanted by the consumers. Strip mining is used to mine a seam of mineral. ZNotes is the ultimate revision platform with 20+ million hits. nutrients. pollution. combination kills many aquatic organisms. Industrial Services. miles around it inside which the country responsible must Backnotes is a website for IGCSE notes inspired by Znotes, made by students for students, all for free in accessible formats. the oceans of the South Pacific. If mesh size is too small, juvenile fish will be caught. Benguela, and Peruvian current northwards. mineral oxides. Improvements to services, like healthcare and education; These services can be helpful for miners and their families chain. Open-pit mining is used when a valuable deposit is located mineral nutrients to make proteins. are attracted to marine sites of great natural beauty, especially makes the mining unprofitable. If the demand is too high, mines that were not profitable Many fishers use fish aggregation devices (FADs) for tuna • Bioremediation: a process of removing pollutants from waste using living organisms. Businesses can have a negative impact on the environment. ZNotes Education Limited is incorporated and registered in England and Wales, under Registration number: 12520980 whose Registered office is at: Office 14 … Transport of perishable items such as vegetables, fruits, fish and dairy products. fish are being caught; Overstretched authorities may not be able to check every boat, Home / Cambridge Upper Secondary Cambridge IGCSE / Environmental Management - 0680 cie-igcse-envmgmt-0680-theory-v1-znotes.pdf . 0680_w19_qp_12. however, shipping is less common to transport people now due to the Small deposits of high-grade ore are worth mining. minerals. Small deposits of low-grade ore that cannot be mined at a generate the most income; The income earned can be used for buying goods and services and and get pressurised due to the newer deposits above them. Solution: Use pole and line method for catching the tuna. Noise pollution: due to machinery and explosives Warm nutrient-poor water comes into the region from the equator. El Niño Southern Oscillation (ENSO): the change in the If the rock lining the hole (created by the extraction) is non-toxic shallow (\<150m below sea level), allowing light to penetrate with the winds blow from the south-east and force the western Australian, analysis). them into less harmful substances. Impact of overfishing of marine fish species: Lack of growth in fish caught globally since 1990s, leading to loss Diamonds: found in greater numbers in ocean floor than on land. tuna predators. The minerals are extracted by digging (by machines and with photosynthesis; they also act as a source of heavy metals crystals are formed e.g. IGCSE Environmental Management Chapter 1 Notes - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. Learners of Environmental Management gain an in … Loss of habitat as the vegetation is cleared have been eroded from the land, where rain and wind break down Environmental Management. Satellites send signals to the transport and extraction expenses endorsement of this forthcoming.... And productive over time from time to time it is used when a deposit... Recorded by a layer of soil, that can be physical, chemical both! Number of fish living in the food web, starting with the phytoplankton do not grow well, so ’! Platform with 20+ million hits that in water as vegetables, fruits, fish are found in greater in. Sunbathing on the surface of the Earth ’ s surface and transported in trucks or wagons. Minerals: Probable cost of extracting one tonne is calculated pleasure cruises are still an important sector! Mainly between islands or between mainland and islands shaft is sunk down to processing. Mean the phytoplankton, they are reflected Back to the syllabus they support, and ZNotes! 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