首页> 美国政府科技报告 >Winter Fish Populations in Probable Locations of Air Bubblers in the St. Marys River-Lake Superior Area.
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Winter Fish Populations in Probable Locations of Air Bubblers in the St. Marys River-Lake Superior Area.

机译:圣玛丽河 - 苏必利尔湖地区的空气泡沫可能位置的冬季鱼类种群。

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A series of field studies were conducted by NUS Corporation in five areas where air bubbler sites were proposed for the St. Marys River and Whitefish Bay to keep channels ice free for winter vessel passage. The studies were done to determine base line ecological conditions and the effects of the bubblers on respective fish and benthic communities. Keywords: Gill; Hoop and fyke netting; Set lines; Radio telemetry sonar studies; Benthic macroinvertebrates; Physicochemical parameters; Aquatic biology. (EDC)

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