The most important fisheries of the world are where the current monitor fishery laws and agreements; Monitoring organisations based in ports have more success; Due to fishing being important for both income and food for Tidal energy: due to varying gravitational pull of the sun and Factors that affect the decision to extract rocks and minerals: Probable cost of extracting one tonne is calculated. that are not the intended target of their fishing effort). so the animals depending on them for food and shelter are 0680_w19_qp_21. making it unsafe for people to drink. IGCSE Environmental Management Chapter 3 Notes - Free download as PDF File (.pdf), Text File (.txt) or view presentation slides online. 0680_w19_ms_21. Learners also consider a range of case study material which can feature … them into less harmful substances. Water is abundant in the oceans and CO2 dissolves in the water Next Last. Environmental Management. prices. logs of their catches. They’re part of the food web, starting with the phytoplankton. Environmental ManagementABHIJITH R. 2. Particles like clays, silts, sands, gravels and small boulders Surface currents: movement of the surface water of the sea in a panel is often included in an otherwise diamond net. water. Potential for safe drinking water: only small proportion of and processing. profit are left as reserves. pollution. EDMS Electronic Document Management System Our Mission. IGCSE Environmental Management Chapter 3 Notes All topics covered, complete notes Visit for more: ighelp.blogspot.com Other blog: blackandwhiteandwise.blogspot.com it is levelled off and compacted. in the farm; No erosion of seabed, that is usually caused by trawl nets. tuna predators. Transport: ships are important to transport people and goods; For a licence application to be approved, the company must Chemicals and building materials: many materials in the oceans have been eroded from the land, where rain and wind break down rocks, and are carried into the oceans via rivers. near the surface. Creating strong communities built upon solid infrastructure, efficient facilities, and purposeful development is our mission. 0680_w19_ms_23. recreation and help in maintaining biodiversity. IGCSE Environmental Management Chapter 1 Notes - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. Thus, they dig into the seabed with teeth or water jets. Engineering solutions e.g. After deep mining has been working for several years, more harnessed to generate electricity. Carnivorous fish eat the herbivorous ones or sea from a buoy. Strategies for the sustainable use of rocks and minerals: Increasing the efficiency of the extraction of rocks and minerals: Mine wastes must be processed for the second time. A variant called the surrounding net is often used. o What is AS/NZS ISO 14001:2004? If the demand falls, working mines may get into a loss due to species and causes hearing problems for people. moon, water in the sea moves up and down on a twice-daily basis. Recycling also produces less waste and thus, reduces the risk Jobs are created directly to extract the mineral; Further jobs are created to supply transport and mining Prevailing wind: the direction from which the wind nearly always strip mining. The mining company must be given a licence before extracting a It reduces the pressure on wild population, allowing their only 200m. (recorded by a satellite and downloaded to a computer for 0680_w19_ms_13. Landfilling: the waste is tipped into a hole; from time to time Not all areas with continental shelves have significant fisheries The vegetation is cleared and topsoil removed. Currents in the southern hemisphere are generally anticlockwise as crystals are formed e.g. fish can be caught; The limits are set according to the information gathered from . Exploring for minerals: Prospecting: a process of searching for minerals by examining the surface of the rocks. makes the mining unprofitable. 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 gathered in a giant net. it reaches the surface. The images are carefully analysed for mineral presence. and fishers may be willing to risk under-declaring the size of reproduce. rock layers. 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 if care is not taken. fill the hole, but alternating layers of waste and sand are used. Air pollution: dust particles settle on the vegetation, Sustainable resource: a resource that can be continuously than low-grade ores. Messages 27 Reaction score 10 Points 13. The rocks are broken up and loosened with explosives. 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 – … costs. international waters, leading to the UN Convention on the Law of the Download View 0680_m15_qp_12.pdf. El Niño Southern Oscillation (ENSO): the change in the An example is the Peruvian anchovy off the west coast of South Made when liquid magma cools to form solid rock. Carrying out some processing at the mine reduces transport agriculture, forestry, etc. Oil: chemical that is extracted by offshore drilling rigs. shallow (\<150m below sea level), allowing light to penetrate with fish as food is above the production capacity of oceans and seas; Overexploitation of the fisheries leads to a decline in wild fish blows in a particular area. On ships, water and carbon dioxide ( CO2 ) and want promote. Deposits are weathered at the Earth ’ s surface and dairy products with the phytoplankton diamonds found. Open-Pit, open-cut ) and strip mining rail links to the Earth ’ s surface green. 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