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Overfishing

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by

Aisling Fleming

on 24 April 2016

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Transcript of Overfishing

The Impact of Overfishing
Contemporary Issues in Animal Science
Animal Biology Yr 2
N0607718
Overfishing overview
Overfishing is the practice of commercial and non-commercial fishing which is a threat to marine ecosystems as too many adult fish are caught, leaving not enough left to reproduce and restore the population (Bell, 2004).
Assemblage overfishing
Utilitarianism
80%
However....
3.2%
1.6%
63%
Source: http://www.coris.noaa.gov/data/metadata_index.html
Depletion of coral reefs
Source: (Pauly and Froese, 2012)
Statistic from: (Tremblay-Boyer et al., 2011)
Statistic from: (Worm et al., 2009)
Statistics from: (FAO, 2014)
2048
Statistic from: (Hilborn, 2012)
Fish products are key in global food security and in maintaining the nutritional needs of people in developing and developed countries.
Local Fishermen
Sustainable Fishing
Conclusion
Ethical Matrix
The impacts of trawling on biodiversity and ecosystem stability
Source: http://eu.oceana.org/en/eu/our-work/responsible-fishing/dirty-fishing/bottom-trawling/images
(Mepham, 2002)
Egoism
Deontological Theory
Source: http://www.bigstockphoto.com/image-16267946/stock-vector-fishing-symbol
Issues in Fish Welfare
Source: http://caribbeanlifeandtravel.com/grand-cayman/2015/9/4/reasons-to-love-cayman
The economics of overfishing
(Hilborn, 2012)
Full transcript