A. Salmon B. Tuna C. Trout D. Walleye 相关知识点: 试题来源: 解析 B。解析:文章中提到“The ecosystem of the Great Lakes is incredibly diverse. It is home to a wide variety of fish species, including salmon, trout, and walleye.”,没有提到金枪鱼(tuna)。反馈 收藏 ...
Correspondence analysis was used to partition fish species associated with the open water of each of the five Great Lakes and nine coastal wetlands for which data were available. Included in the analysis were 113 species in 25 families. Three species complexes were suggested: a Great Lakes tax...
The Great Lakes Fish Decoy Collecting and Carving Association has the goal of collecting., preserving, and passing on the tradition of the fish spearing decoy. Since our founding in 1989 we have worked to keep the art form of the fish decoy alive while organizing friendly competitions- a place...
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During the past 20-30 years, some of the native Great Lakes fish species have declined in abundance to the point where they are now classified as threatened or endangered. As such fish as the coregonines and the four-horned sculpin have declined, other species, including the smelt and the...
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Great Lakes community confronts foreign fish; Goby makes its way to Canada, propels new tactics against non native species.(World)Great Lakes community confronts foreign fish; Goby makes its way to Canada, propels new tactics against non native species.(World)Walker, Ruth...
The temporal and spatial relationships of a suite of organochlorine contaminants and mercury were examined in various fish species of the St. Clair River/L... SB Gewurtz,SP Bhavsar,DA Jackson,... - 《Journal of Great Lakes Research》 被引量: 158发表: 2010年 Spatiotemporal trends of mercury...
An unusually warm winter has left the Great Lakes all but devoid of ice and sent scientists scrambling to understand the possible consequences as climate change accelerates.
From 1965 to 1969, the United States Bureau of Commercial Fisheries determined levels of residues of insecticides in 28 species of fish taken from the Great Lakes. All the fish were found to contain DDT (or DDD or DDE) and dieldrin. Fish from Lake Michigan contained 2-7 times as much of...