Island Conservation’s COP 16 Position Paper
Island Conservation attended the 16th meeting of the Conference of the Parties to the Convention on Biological Diversity!
Restoring islands for nature and people worldwide.
Published on
February 21, 2023
Written by
Island Conservation
Photo credit
Island Conservation
This year’s Invasive Species Awareness Week, which runs from February 20 – 26, aims to raise awareness of the impact that invasive alien species have on biodiversity and the urgency of taking action to address this issue. The Convention on Biological Diversity defines invasive alien species (IAS) as species that threaten biological diversity through their introduction and/or spread outside of their natural habitat. Invasive species can harm their non-native ecosystems, threatening native species and overall biodiversity.
Completely removing invasive species such as rats, feral cats, and mice from islands has proven one of the most effective methods for restoring these fragile ecosystems. A year after it was declared rat free, Lehua Island in Hawai’i is welcoming an increasing number of seabirds. Efforts on Rábida Island, miles away across the Pacific Ocean, are also paying off. A decade after the removal of invasive rodents from the island, Island Conservation’s researchers found a gecko species thought to have been extinct for over 5,000 years. These are only some examples of the benefits of removing invasive alien species from islands.
Island sites are home to almost half of the planet’s endangered and critically endangered terrestrial vertebrates. According to a study in ScienceAdvances, the effective management of invasive species could save 95% of the 1,189 threatened island species identified. However, using the methods available today, it is only feasible to restore about 15% of the world’s islands threatened by invasive species.
Research and innovation are needed if we are to enhance conservation efforts and protect threatened ecosystems against this threat. New tools such as gene drive applications, if proven safe, appropriate, and effective, have the potential to help control populations of invasive alien species. Recent breakthroughs, such as the development of a world-first proof of concept for a gene drive technology to control invasive mice, offer hope to help turn the tide on the extinction crisis happening on islands.
Invasive Species Awareness Week serves as a timely reminder of incredible conservation achievements. But it is also a moment to reflect on the work still ahead and the need to find solutions to enhance our capacity to restore ecosystems worldwide.
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