Management Strategy for the Invasive Plants and Tree Eradication Project

Verbesina encelioides is the State of Hawaiʻi’s top management priority for Kure Atoll Conservancy. It is a monotypic (single species) stand of tall, nearly impenetrable vegetation and, for 55 years, has directly displaced ten seabird species:

  • Kaʻupu, Black-footed Albatross, Phoebastria nigripes
  • Mōlī, Laysan Albatross, Phoebastria immutabilis
  • Christmas Shearwater, Puffinus nativitatis
  • Tristram’s Storm-petrel, Oceanodroma tristrami
  • Short-tailed Albatross, Phoebastria albatrus
  • ʻĀ, Masked Booby, Sula dactylatra
  • ʻĀ, Brown Booby, Sula leucogaster
  • ʻUaʻu Kani, Wedge-tailed Shearwater, Puffinus pacificus
  • Bonin Petrel, Pteredroma hypoleuca
  • Bulwer’s Petrel, Bulweria bulwerii

The use of low concentration herbicides and hand-pulling are the best methods to keep up with the timing required to eradicate this plant. The majority of the work being done on Kure is focused on this project.

Plants in the Eradication Project

Kaunaʻoa Pehu (Cassytha filiformis)

Anagallis arvensis (Scarlet Pimpernel)

Amaranthus viridis (Slender Amaranth)