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DOI10.1111/are.12988
Growth, morphometrics and nutrient content of farmed eastern oysters, Crassostrea virginica (Gmelin), in New Hampshire, USA
Grizzle, Raymond E.1; Ward, Krystin M.1; Peter, Christopher R.1; Cantwell, Mark2; Katz, David2; Sullivan, Julia2
发表日期2017-04-01
ISSN1355-557X
卷号48期号:4页码:1525-1537
英文摘要

When harvested, oysters represent a removal from the ecosystem of nutrients such as nitrogen (N) and carbon (C). A number of factors potentially affect nutrient content, but a quantitative understanding across the geographical range of the eastern oysters is lacking. This study was designed to quantify the relationships among various metrics of farmed eastern oysters near its northern geographical range focusing on nutrient content. Hatchery-reared oysters were deployed in polyethylene bags at six sites, and were measured on multiple occasions from 2010 to 2012. A quadratic polynomial fit to the combined datasets for shell height indicated that on average a 'cocktail' size oyster (63 mm shell height) would be reached after 2 year, and 'regular' size (76 mm) would require 3 year. There were significant differences in growth rates and oyster nutrient content among the sites; means for %N in soft tissue ranged from 6.9 to 8.6, and 0.07 to 0.18 in shell. Per cent N in soft tissue and shell were highest at two sites at the mouths of rivers with elevated dissolved inorganic N concentrations in the water. Grand means (all sites, seasons and years combined) of soft tissue N and C for regular size oysters were 7.3%and 38.5%, respectively; and for shell N and C were 0.13%and 12.0%respectively. Our study extends the range of data on nutrient content of the eastern oyster to northern New England, and indicates that oyster size, seasonality, and nutrient concentration in ambient water potentially affect %N and %C content of oysters.


英文关键词shellfish aquaculture;nutrient assimilation;bioextraction;eutrophication;water quality
语种英语
WOS记录号WOS:000396054700016
来源期刊AQUACULTURE RESEARCH
来源机构美国环保署
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/59256
作者单位1.Univ New Hampshire, Jackson Estuarine Lab, Durham, NH 03824 USA;
2.US EPA, Atlant Ecol Div, Natl Human & Environm Effects Res Lab, Off Res & Dev, Narragansett, RI 02882 USA
推荐引用方式
GB/T 7714
Grizzle, Raymond E.,Ward, Krystin M.,Peter, Christopher R.,et al. Growth, morphometrics and nutrient content of farmed eastern oysters, Crassostrea virginica (Gmelin), in New Hampshire, USA[J]. 美国环保署,2017,48(4):1525-1537.
APA Grizzle, Raymond E.,Ward, Krystin M.,Peter, Christopher R.,Cantwell, Mark,Katz, David,&Sullivan, Julia.(2017).Growth, morphometrics and nutrient content of farmed eastern oysters, Crassostrea virginica (Gmelin), in New Hampshire, USA.AQUACULTURE RESEARCH,48(4),1525-1537.
MLA Grizzle, Raymond E.,et al."Growth, morphometrics and nutrient content of farmed eastern oysters, Crassostrea virginica (Gmelin), in New Hampshire, USA".AQUACULTURE RESEARCH 48.4(2017):1525-1537.
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