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Dynamics of dietary methylmercury up...

Stefansson, Emily Suzanne.

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Dynamics of dietary methylmercury uptake and maternal transfer in estuarine forage fish.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Dynamics of dietary methylmercury uptake and maternal transfer in estuarine forage fish./
作者:	Stefansson, Emily Suzanne.
面頁冊數:	90 p.
附註:	Source: Masters Abstracts International, Volume: 51-01.
Contained By:	Masters Abstracts International51-01(E).
標題:	Environmental Health. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1514850
ISBN:	9781267479662

Dynamics of dietary methylmercury uptake and maternal transfer in estuarine forage fish.
Stefansson, Emily Suzanne.

Dynamics of dietary methylmercury uptake and maternal transfer in estuarine forage fish. - 90 p.

Source: Masters Abstracts International, Volume: 51-01.

Thesis (M.S.)--University of Maryland, College Park, 2012.

Dietary methylmercury (MeHg) uptake in relation to fish lifestage, species, and level of exposure are poorly understood in lower trophic levels, particularly in estuarine species. Furthermore, little is known about the transfer of accumulated MeHg from female to offspring. Dietary MeHg accumulation, as well as growth and survival, were compared in two species of estuarine forage fish: Cyprinodon variegatus and Menidia beryllina. Results indicated that M. beryllina was more sensitive to dietary MeHg exposure than C. variegatus. Growth rate and the level of dietary exposure strongly influenced MeHg tissue concentrations in both species. In a second experiment, the source of maternally transferred MeHg was examined using a stable mercury isotope approach. A significant portion of Hg in eggs was from the burden stored in female tissues, suggesting that historical mercury exposure can be important in the context of maternal transfer.

ISBN: 9781267479662Subjects--Topical Terms:

578282
Environmental Health.

Dynamics of dietary methylmercury uptake and maternal transfer in estuarine forage fish.
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