Fresh/Saltwater Fish
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Transcript of Fresh/Saltwater Fish
Causes of Death Causes of Death
Water pollution/toxic wastes Water pollution/toxic wastes Over fishingOver fishing Global WarmingGlobal Warming
Types of Water Types of Water PollutionPollution
Oil spills, nitrogen, Oil spills, nitrogen, phosphorous, phosphorous, untreated sewage, untreated sewage, fertilizer, mining fertilizer, mining residue, and plastic residue, and plastic waste are all waste are all examples of examples of pollution that is pollution that is toxic to fish.toxic to fish.
Lethal Incident in Lethal Incident in China!China! On August 29On August 29thth, Yongcheng , Yongcheng
County opened a sluice to release County opened a sluice to release water contaminated with both water contaminated with both sewage and industrial waste into sewage and industrial waste into the ocean which was stored for a the ocean which was stored for a long period of timelong period of time
450,000 fish died 450,000 fish died
Over FishingOver Fishing
Off sets the natural food chainOff sets the natural food chain The whole ecosystem becomes The whole ecosystem becomes
degradeddegraded Not enough adult fish can find mates Not enough adult fish can find mates
so there’s not enough breedingso there’s not enough breeding Ultimately reduces populations Ultimately reduces populations
drastically to the point of no drastically to the point of no recoveryrecovery
Reasons for Over Reasons for Over fishingfishing The government doesn’t The government doesn’t
intervene intervene Too much profit is involved Too much profit is involved More jobs available to peopleMore jobs available to people
Global Warming Global Warming
Climate change will Climate change will force fish to relocate in force fish to relocate in colder regions up colder regions up NorthNorth
This will effect the This will effect the ecosystem balance, ecosystem balance, fisheries and the fisheries and the crucial food source for crucial food source for countries and marine countries and marine life life
Since there’s more fish Since there’s more fish now in Arctic regions, now in Arctic regions, there’s an increase of there’s an increase of fishing therefishing there
Stunting the growth of Stunting the growth of deep water fish by deep water fish by 30% from 50 years ago 30% from 50 years ago
What we can do to What we can do to help:help: Reduce your ecological footprint!Reduce your ecological footprint! Never pour toxic substances down the drain Never pour toxic substances down the drain Use Non toxic substancesUse Non toxic substances Buy fish that have the lowest impactBuy fish that have the lowest impact Educate others!Educate others!
The AftermathThe Aftermath
Over the past half-century, the Over the past half-century, the world's annual fish catch has world's annual fish catch has risen from 18 tonnes to 95 tonnesrisen from 18 tonnes to 95 tonnes
Much of the fish we consume now Much of the fish we consume now are poisoned by pollutantsare poisoned by pollutants
We are losing species of fish and We are losing species of fish and other marine lifeother marine life
BibliographyBibliography
http://www.grinningplanet.com/2005/07-26/whttp://www.grinningplanet.com/2005/07-26/water-pollution-facts-article.htmater-pollution-facts-article.htm
http://www.chinadaily.com.cn/china/2006-12/http://www.chinadaily.com.cn/china/2006-12/06/content_751624.htm06/content_751624.htm
http://overfishing.org/pages/what_is_overfishihttp://overfishing.org/pages/what_is_overfishing.phpng.php
http://www.takepart.com/news/2009/02/12/clihttp://www.takepart.com/news/2009/02/12/climate-change-threatens-fish-populations-itotdmate-change-threatens-fish-populations-itotd//
http://news.mongabay.com/2007/0423-fish_clhttp://news.mongabay.com/2007/0423-fish_climate.htmlimate.html
Courtesy to Google ImagesCourtesy to Google Images