Columbia subject headings:
Aquatic pests--Environmental aspects--Great Lakes (North America)
Aquatic pests--Great Lakes (North America)
Biological invasions--Environmental aspects--Great Lakes (North America)
Biological invasions--Great Lakes (North America)
Nonindigenous pests--Environmental aspects--Great Lakes (North America)
Nonindigenous pests--Great Lakes (North America)
Harvard subject headings:
Aquatic pests--Environmental aspects--Great Lakes (North America)
Aquatic pests--Great Lakes (North America)
Biological invasions--Environmental aspects--Great Lakes (North America)
Biological invasions--Great Lakes (North America)
Nonindigenous pests--Environmental aspects--Great Lakes (North America)
Nonindigenous pests--Great Lakes (North America)
Princeton subject headings:
Aquatic pests--Environmental aspects--Great Lakes (North America).
Aquatic pests--Great Lakes (North America).
Biological invasions--Environmental aspects--Great Lakes (North America).
Biological invasions--Great Lakes (North America).
Nonindigenous pests--Environmental aspects--Great Lakes (North America).
Nonindigenous pests--Great Lakes (North America).