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Invasive Species

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The Pacific Islands Fish and Wildlife Office’s Invasive Species Program was formally established in 2002 to coordinate the prevention of the establishment of introduced invasive species that negatively affect or have the potential to affect the USFWS trust resources and their habitats within the Pacific Ecoregion. The program supports the development and implementation of control, management, and eradication techniques for incipient and established invasive species populations as well as providing cross-programmatic technical assistance for habitat restoration and species recovery.

 

  • Aquatic Invasive Species (AIS)

    Invasive Species Program AIS staff work with internal and external partners to prevent, control, mitigate effects, and eradicate aquatic invasive species.

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  • Avian Malaria

    A red bird with a mosquito on its eye.

    Diseases from invasive species like mosquitoes are threatening the endemic forest birds of Hawai‘i.

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  • Brown Tree Snake

    A hand holds a brown snake by the head.

    The introduction of the brown treesnake to the Territory of Guam has caused significant ecological, economic and human health impacts.

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  • Mammalian Predators

    Introduced rodents, the small Indian mongoose, and feral cats have had devastating impacts on oceanic islands worldwide.

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  • Rapid Ohia Death

    Close up photo of red flower buds about to blossom.

    ‘Ōhi‘a (Metrosideros polymorpha), the most abundant native tree in the state of Hawai‘i, are dying from a fungal disease referred to as “Rapid ‘Ōhi‘a Death.”

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  • Invasive Plants

    A tree.

    Invasive plants can negatively affect native ecosystems in many ways, including modifying availability of light and nutrient cycling processes, increasing soil erosion, altering fire regimes, and outcompeting native plant species. 

    The PIFWO Invasive Species Program coordinates with partners to support control or eradication efforts of invasive species like Miconia and other problematic plant species throughout the Pacific. We also work to provide technical assistance to other partners and federal agencies such as best management practices for activities to minimize the potential for spreading and introducing invasive plants.

    What can you do?

    To help limit the spread of invasive plants, before going into natural areas, always visually inspect and clean your clothes, shoes, pack, and other personal gear, for seeds, soil, plant parts, insects, and other debris. A small brush is handy for cleaning shoes, equipment, and other gear. This process should be repeated immediately before leaving the natural area. This will ensure that you do not introduce any new invasive species to the area, or spread invasive species to other areas you may travel to later.

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