1894年，米草属植物夹杂在移迁牡蛎的包装材料中，从东海岸来到了华盛顿州。
Spartina was transported to Washington State in packing materials for oysters transplanted from the east coast in 1894.
在路易斯安那州，最受威胁的要属有着丰富的虾和牡蛎的河床。 几艘海军舰正在布置浮动栅栏，将泄漏的油控制在其中。
The Louisiana coastline, with its rich shrimp and oyster beds, is the most threatened by the spill.
对牡蛎礁贝壳属种做了鉴定和14测年，对牡蛎礁充填物做了粒度分析、矿物分析、有孔虫分c析、幼体贝壳分析。
The genus and species identification and 14c dating have been made for oyster seashell, and the analysis of grain-size, minerals, foraminifera and small seashell in fillers have also been made.
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