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  • Aquatic Invasions! A Menace to the West : Knotweed Species Guide

    Creator:
    Siemens, Tania
    Abstract:
    Knotweeds are a group of closely related invasive plants from Asia. Knotweeds are very tall plants that can grow to over three meters with bamboo-like hollow stems and heart-shaped or lance-shaped leaves. They spread quickly and form tall, dense thickets. They dominate stream banks, sides of roads, gardens, and other...
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    of Aquatic Invasions: A Menace to the West! A Toolkit Linking Science, Community, and Action through

  • Aquatic Invasions! A Menace to the West : BioBlitz!

    Creator:
    Siemens, Tania
    Abstract:
    Students conduct a "blitz" by quickly rotating through hands-on specimen stations and answering the BioBlitz questions. Then, students are assigned one invader to research more thoroughly and present to the class.
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    Learning Object
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    BioBlitz Lesson Plan Aquatic Invasions! A Menace to the West

  • Aquatic Invasions! A Menace to the West : Loteria Game

    Creator:
    Siemens, Tania
    Abstract:
    In this fun activity, students guess answers to clues about invasive species on a bingo-like game-board, and serves as a great introduction for students and teachers alike.
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    clicking the “Give Feedback” button. Aquatic Invasions! A Menace to the West • TEACHER LESSON PLAN 3

  • Aquatic Invasions! A Menace to the West : Nutria Species Guide

    Creator:
    Siemens, Tania
    Abstract:
    The nutria is a large, semi-aquatic rodent native to South America. Nutria were introduced to the United States for their fur. After a boom in nutria ranches during the 1930s, the animals escaped or were released from fur farms in the Pacific Northwest, Louisiana and other states, where theyare now...
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    . This fact sheet is part of Aquatic Invasions: A Menace to the West! A Toolkit Linking Science

  • Aquatic Invasions! A Menace to the West : Crayfish Species Guide

    Creator:
    Siemens, Tania
    Abstract:
    Crayfish are one of the most threatened groups of animals in the world. About 45 percent of North American crayfish species are considered to be at risk of extinction. However, a few crayfish species are among the world's most invasive freshwater organisms. Taking into consideration that invasive crayfish are the...
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    Menace to the West • SPECIES GUIDE 1 SPECIES AT A GLANCE Oregon Sea Grant Learning extension

  • Aquatic Invasions! A Menace to the West : Caulerpa Species Guide

    Creator:
    Siemens, Tania
    Abstract:
    Caulerpa taxifolia is a type of invasive seaweed that can thrive in temperate waters.
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    Learning extensions Resources Aquatic Invasions! A Menace to the West • SPECIES GUIDE 1 SPECIES

  • Aquatic Invasions! A Menace to the West : Hazardous Pathways to the Columbia Gorge

    Creator:
    Siemens, Tania
    Abstract:
    Students sharpen analytical, logic, and problem solving tools by thinking critically about how human activities spread invasive species and how to control them.
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    Learning Object
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    , knotweed. 2 Aquatic Invasions! A Menace to the West • TEACHER LESSON PLAN

  • Aquatic Invasions! A Menace to the West : Where in the World?

    Creator:
    Siemens, Tania
    Abstract:
    Students practice geographical skills to map the routes of invasive species from their native habitat to some of the regions to which the exotics have spread.
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    transparency projected on board (laminated map available in the Menace to the West Toolkit) • Exotic species

  • Aquatic Invasions! A Menace to the West : Chinese Mitten Crabs Species Guide

    Creator:
    Siemens, Tania
    Abstract:
    The Chinese mitten crab was first identified in the south San Francisco Bay in 1992 by commercial shrimp trawlers, and quickly spread to the Sacramento and San Joaquin Rivers. The Chinese mitten crab threatens ecosystems, earthen structures, and fisheries by preying on and competing with many species, including fish eggs,...
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    Learning extensions Resources This fact sheet is part of Aquatic Invasions: A Menace to the West! A

  • Aquatic Invasions! A Menace to the West : American Bullfrog Species Guide

    Creator:
    Siemens, Tania
    Abstract:
    The American Bullfrogs are a highly reproductive aquatic species that are native in central, eastern United States and Southeastern Canada. This species was first introduced to western America as a food source (frog legs!); since then it escaped aquaculture ponds and have spread widely. Bullfrogs lay up to 20,000 eggs...
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    of Aquatic Invasions: A Menace to the West! A Toolkit Linking Science, Community, and Action through