Bioaccumulation - Revision history

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2dev>Jmdonev at 02:26, 2 December 2018

2018-12-02T02:26:26Z

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	[[File:Contaminated fish .jpg\|thumbnail\|right\|There are places where toxin levels are high enough that entire food sources must be avoided.<ref name = ee>Cleanmarine internet:http://www.cleanmarinekrill.co.uk/blog/where-does-your-fish-oil-come-from-researchers-warn-of-higher-levels-of-toxins-in-larger-fish</ref>]]		[[File:Contaminated fish .jpg\|thumbnail\|right\|There are places where toxin levels are high enough that entire food sources must be avoided.<ref name = ee>Cleanmarine internet:http://www.cleanmarinekrill.co.uk/blog/where-does-your-fish-oil-come-from-researchers-warn-of-higher-levels-of-toxins-in-larger-fish</ref>]]

	<onlyinclude>'''Bioaccumulation''' ~~describes how~~ the concentration of chemicals in an organism or species ~~increases~~. This can occur when toxic substances are ingested.</onlyinclude><ref name=book1>D. Mackay and a. Fraser, “Bioaccumulation of persistent organic chemicals: mechanisms and models,” Environmental Pollution, vol. 110, no. 3, pp. 375–391, Dec. 2000.</ref> These toxic substances are very difficult for organisms to excrete ~~and thus~~ ''accumulate'' in their tissues. ~~An important result of bioaccumulation~~ is [[~~biomagnification~~]]. ~~Which describes when toxins ''magnify'' upward in the food chain, whereas bioaccumulation describes when toxins ''accumulate'' within a single organism~~.		<onlyinclude>'''Bioaccumulation''' is when the [[concentration in parts per\|concentration]] of chemicals increases within an organism or species. This can occur when toxic substances are ingested.</onlyinclude><ref name=book1>D. Mackay and a. Fraser, “Bioaccumulation of persistent organic chemicals: mechanisms and models,” Environmental Pollution, vol. 110, no. 3, pp. 375–391, Dec. 2000.</ref> These toxic substances are very difficult for organisms to excrete, therefore, ''accumulate'' in their tissues. One common pollutant that bioaccumulates is [[Mercury (pollutant)\|mercury]], which specifically accumulates in fish. Organic compounds and metals can both bioaccumulate.

	~~One common pollutant that bioaccumulates~~ is [[~~Mercury (pollutant)\|mercury~~]]~~, which specifically accumulates~~ in ~~fish~~.		==Bioaccumulation vs Biomagnification==
			An important result of bioaccumulation is [[biomagnification]]. This describes when toxins ''magnify'' upward in the food chain—whereas bioaccumulation describes when toxins ''accumulate'' within a single organism.

	''Biomagnification is a very closely related idea. To learn more about it, click [[biomagnification\|here]].''		''Biomagnification is a very closely related idea. To learn more about it, click [[biomagnification\|here]].''

			==For Further Reading==
			*[[Biomagnification]]
			*[[Pollutant]]
			*[[Mercury (pollutant)]]
			*[[Concentration in parts per]]
			*Or explore a [[Special:Random\|random page]]

Jmdonev: 1 revision imported

2017-08-29T01:47:35Z

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Jmdonev at 14:56, 18 August 2017

2017-08-18T14:56:11Z

← Older revision		Revision as of 14:56, 18 August 2017
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	[[Category:Done ~~2015~~-07-01]]		[[Category:Done 2017-07-01]]
	[[File:Contaminated fish .jpg\|thumbnail\|right\|There are places where toxin levels are high enough that entire food sources must be avoided.<ref name = ee>Cleanmarine internet:http://www.cleanmarinekrill.co.uk/blog/where-does-your-fish-oil-come-from-researchers-warn-of-higher-levels-of-toxins-in-larger-fish</ref>]]		[[File:Contaminated fish .jpg\|thumbnail\|right\|There are places where toxin levels are high enough that entire food sources must be avoided.<ref name = ee>Cleanmarine internet:http://www.cleanmarinekrill.co.uk/blog/where-does-your-fish-oil-come-from-researchers-warn-of-higher-levels-of-toxins-in-larger-fish</ref>]]

	<onlyinclude>'''Bioaccumulation''' describes how the concentration of chemicals in an organism or species increases. This can occur when toxic substances are ingested.</onlyinclude><ref name=book1>D. Mackay and a. Fraser, “Bioaccumulation of persistent organic chemicals: mechanisms and models,” Environmental Pollution, vol. 110, no. 3, pp. 375–391, Dec. 2000.</ref> These toxic substances are very difficult for organisms to excrete and thus ''accumulate'' in their tissues. An important result of bioaccumulation is [[biomagnification]]. Which describes when toxins ''magnify'' upward in the food chain, whereas bioaccumulation describes when toxins ''accumulate'' within a single organism.		<onlyinclude>'''Bioaccumulation''' describes how the concentration of chemicals in an organism or species increases. This can occur when toxic substances are ingested.</onlyinclude><ref name=book1>D. Mackay and a. Fraser, “Bioaccumulation of persistent organic chemicals: mechanisms and models,” Environmental Pollution, vol. 110, no. 3, pp. 375–391, Dec. 2000.</ref> These toxic substances are very difficult for organisms to excrete and thus ''accumulate'' in their tissues. An important result of bioaccumulation is [[biomagnification]]. Which describes when toxins ''magnify'' upward in the food chain, whereas bioaccumulation describes when toxins ''accumulate'' within a single organism.

			One common pollutant that bioaccumulates is [[Mercury (pollutant)\|mercury]], which specifically accumulates in fish.

	''Biomagnification is a very closely related idea. To learn more about it, click [[biomagnification\|here]].''		''Biomagnification is a very closely related idea. To learn more about it, click [[biomagnification\|here]].''

J.williams: 1 revision imported

2015-08-26T21:30:41Z

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J.williams at 22:41, 11 August 2015

2015-08-11T22:41:34Z

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[[Category:Done 2015-07-01]]
[[File:Contaminated fish .jpg|thumbnail|right|There are places where toxin levels are high enough that entire food sources must be avoided.<ref name = ee>Cleanmarine internet:http://www.cleanmarinekrill.co.uk/blog/where-does-your-fish-oil-come-from-researchers-warn-of-higher-levels-of-toxins-in-larger-fish</ref>]]

<onlyinclude>'''Bioaccumulation''' describes how the concentration of chemicals in an organism or species increases. This can occur when toxic substances are ingested.</onlyinclude><ref name=book1>D. Mackay and a. Fraser, “Bioaccumulation of persistent organic chemicals: mechanisms and models,” Environmental Pollution, vol. 110, no. 3, pp. 375–391, Dec. 2000.</ref> These toxic substances are very difficult for organisms to excrete and thus ''accumulate'' in their tissues. An important result of bioaccumulation is [[biomagnification]]. Which describes when toxins ''magnify'' upward in the food chain, whereas bioaccumulation describes when toxins ''accumulate'' within a single organism.

''Biomagnification is a very closely related idea. To learn more about it, click [[biomagnification|here]].''

==References==
{{reflist}}
[[Category:Uploaded]]