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Group e3.14. De Wet Nel Luzandi Landman Ryan Meaker Campbell Knight Joshua La Grange.
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What each member did. Ryan Meaker Introduction and Risks of overfishing..
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Introduction. ANCHORMANAGEMENT.
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Risks of overfishing. The more you fish, the more bycatch there is Overfishing results in an increased algae growth The ocean ecosystems become imbalanced The decreased population size results in food shortages.
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Graphs. Total 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2000-2004 2005-2009 2010-2014 2015-2019 2020 2830.1896769999998 4103.4575084999997 1273.2678314999998 4019.8430789999998 1271.1510105 2418.4679925 3870.6071984999999 1649.003559 1941.124857 5026.3914645000004 4501.4198565000006 3979.6234800000002 6313.418632500001 3382.6799580000002 4798.8332069999997 4354.3007970000008 726.06960299999992 221.20779449999995 254.01851999999997 60.329398500000003 8.4672839999999994.
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Bycatch graph. 5,52%. 5,48%. US. OTHERS. BYCATCH.
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Socio-economic impact. Overfishing results in stock shortages, ultimately leading to food shortages worldwide. The decreased expectation in profits results in a spike in unemployment levels, specifically in coastal areas along fishing zones. Due to the continuous consumer demand for fish products, companies revert to illegal fishing techniques..
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Sustainable yield. Refers to the harvest of a specific natural resource Sustainable yield aims at balancing the catch between too much and too little. Maximum sustainable yield - The largest average catch that can be captured from a stock under existing environmental conditions Annual sustainable yield – Is the biomass that can be harvested from a population each year without resulting in a decline of that population. The maximum replacement rate for each species of fish depends on the survival rate, reproduction rate, current population and demand for fish by consumer markets..
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How current fishing practices compromises the sustainability of the fishing industry..
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Blast fishing. Blast fishing is a fishing technique which is not environmentally friendly. Blast fishing is when fishing companies use dynamite in the ocean to kill all the fish in a certain radius which causes them to float to the surface. The dead fish are then collected from the surface and bycatch collected is disposed of in the ocean..
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The role of Anchor Management. Donate bycatch to the soup kitchen as they do not have a permit to sell the bycatch, thus creating a sustainable use for the bycatch. Alternate fishing zones to allow for efficient and sustainable reproduction. The improvement of fishing techniques encourage a better environment for fish reproduction. Research the possibilities of funding and starting a pilchard breeding farm. Expand product range by catching different species of fish which will allow for a decrease in overfishing of pilchards..
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References. SASSI.2022. Empowering Consumers. [Online] Available: https://wwfsassi.co.za/consumers/ [Accessed on 4 March 2022] Ocean. 2022. Bycatch: The Cost of Catching What You Don’t Want. [Online] Available: https://ocean.si.edu/conservation/fishing/bycatch-cost-catching-what-you-dont-want [Accessed 10 March 2022] HK Marine Life. 2014. Dynamite Fishing in Daya Bay. [Online] Available: https://hkmarinelife.wordpress.com/tag/blast-fishing/ [Accessed 12 March 2022].