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首页> 外文期刊>Southeastern naturalist >Tracking Biological Invasions: An Assessment of Mussel Species in the St. Johns River, Jacksonville, FL
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Tracking Biological Invasions: An Assessment of Mussel Species in the St. Johns River, Jacksonville, FL

机译：跟踪生物侵犯：在圣约翰河，杰克逊维尔，佛罗里达州贻贝物种评估

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摘要

Perna viridis (Asian Green Mussel) and Mytella charruana (Charm Mussel) have been found within the estuaries of Florida, including the St. Johns River, for the past 30 y. This study verified the continuing presence of these 2 invasive mussels as well as the native Ischadium recurvum (Hooked Mussel) within the St. Johns River estuary. We found Hooked Mussels and Charm Mussels at all sampling locations, whereas we documented the Green Mussel at 2 sites. The overall densities and sizes of the Hooked Mussels and Charm Mussels varied by location. We observed higher densities of Charm Mussels at sites with lower salinities; none were observed at sites with salinity greater than 30 parts per thousand. We noted the greatest Hooked Mussel density at moderate salinities, and those mussels had greater mean shell length compared to other mussel species at sites upriver. Our study highlighted the coexistence of native and non-native mussels within the estuary, and stressed the importance of continued monitoring of introduced mussel species in the southeastern US.
机译：在过去的30岁的佛罗里达州的河口（包括St. Johns River）的河口，在佛罗里达州的河口（亚洲绿贻贝）和Mytella charruana（魅力贻贝）。本研究验证了这两种侵入性贻贝的继续存在以及圣约翰河河口内的天然含量缺陷（钩状贻贝）。我们在所有抽样位置找到了迷人的贻贝和魅力贻贝，而我们在2个站点记​​录了绿色贻贝。钩状贻贝和魅力贻贝的整体密度和尺寸由位置变化。我们观察到具有较低盐度的地点的魅力贻贝更高的密度;在盐度大于30‰的地点观察到没有观察到。我们注意到中等盐水中最大的钩住贻贝密度，与位点上游的其他贻贝物种相比，那些贻贝的平均壳长。我们的研究强调了河口内本地和非本土贻贝的共存，并强调了在美国东南部继续监测贻贝种类继续监测的重要性。

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