Island Conservation Unveils New Branding and Website to Support Global Island Restoration
Our new branding and website support our vision of a world filled with vibrant biodiversity, resilient oceans, and thriving island communities!
Restoring islands for nature and people worldwide.
Published on
May 24, 2016
Written by
Heath
Photo credit
Heath
Resources: Photographs, interviews
Contacts:
Heath Packard, Heath.packard@islandconservation.org; +1 360-584-3051
Nanette Woonton, nanettew@sprep.org; +685 21929 Ext 305
Viliami Hakaumotu, viliamihakau@gmail.com; +67625050, +6767742716 mobile
Invasive species eradication expected to help vulnerable native species and ecosystems thrive
An international effort to protect the diverse plants and animals of Tonga’s small islands is proving to be a success. The joint project, to remove invasive ship rats (Rattus rattus) from Malinoa and Motutapu islands, was spearheaded and launched in August 2015 by the Government of Tonga, the Secretariat of the Pacific Regional Environment Programme (SPREP), and Island Conservation.
Together, the groups organized a ‘learning-by-doing’ workshop and demonstration project to remove invasive predators from the islands in order to protect rare native plants and animals and at the same time help countries with small islands develop the skills to complete small, simple eradications with little assistance from outside organisations.
The workshop and demonstration project, which included participants from Kiribati, the Marshall Islands, Tonga, and Wallis et Futuna, is a success. Encouraging signs of recovery in the islands’ vulnerable native plant and animal life are already being seen less than one year later. Mr. Richard Griffiths, Project Director at Island Conservation noted,
Invasive vertebrates such as rats are a major threat to the biodiversity of the Pacific. This conservation intervention developed skill sets and experience that can help turn the tide against species facing extinction in the region. We are delighted with this result and very pleased to see the motivation within Tonga and other Pacific islands to restore more islands.
On tropical islands, like those in Tonga, invasive rats eat virtually everything disrupting the existing ecological balance. Removing invasive rats benefits seabirds which provide an important source of nutrients for the islands. These nutrients literally feed the forests that serve as a home for other native plants and animals. Invasive rats disrupt resilient island ecosystems, including near-shore environment, that provide important marine environment benefits such as increased phytoplankton and related increases in marine resources for local use.
Recent surveys and monitoring on Malinoa and Motutapu confirmed that rat eradication was successful. The islands were assessed by completing day and night surveys for rats and rat sign, and by checking rat traps set overnight.
The team noted changes in the islands’ native plants and animals offering hope for dramatic island restoration responses. The team observed increases in the abundance of birds such as the Wattled Honeyeater, also known as the Fuleheu (Foulehaio carunuculata), and Polynesian Starlings, also known as Misi or (Aplonis tabuensis). They also noted that Black-naped Terns (Sterna sumatrana) were nesting with eggs intact on both islands.
During beach surveys, observers witnessed many Ghost Crabs (Ocypode ceratophthalmus) and (Ocypode pallidula), which often remain hidden in burrows during the day. They also saw an abundance of fruit and flowers, many of which would have previously been eaten by rats. Mr. David Moverley, the Invasive Species Adviser of SPREP, said,
It is important that Pacific countries have the capacity to manage invasive species. This project is aimed at facilitating countries to succeed in meeting meaningful conservation goals, eventually on their own accord in bite size chunks. This will complement more complex projects and conservation goals which require more extensive resources, technical assistance and finance.
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Tonga can do this. With what we have learned and the skills we now have we can protect our smaller but important islands and their biodiversity from the impacts of rats. It is anticipated that our current work on two islands in the Vavaú group will be similarly successful and provide protection to the biodiversity of these important islands which are also important nesting sites for the Critically Endangered Hawksbill and Green Turtles. –Mr. Viliami Hakaumotu, Invasive Species Coordinator of Tonga
Humans have introduced non-native, invasive mammals (accidentally or intentionally) to ninety percent (90%) of the world’s island archipelagos, which poses a unique biodiversity conservation challenge and opportunity. Islands occupy less than six percent (~5.5%) of the Earth’s land area, yet are home to fifteen percent (15%) of terrestrial species. Islands have suffered sixty-one percent (61%) of recorded extinctions with invasive species implicated in the majority of those. Thirty seven percent (37%) of all Critically Endangered species on the IUCN Red List[1] are found on islands. Rodents have been successfully removed from over 500 islands world-wide and a recent study concluded that continued investment in invasive mammal eradications on islands offers a highly effective opportunity to stem the loss of our world’s biodiversity. This promising new initiative adds Tonga to that global, island restoration movement.
With the positive findings of the rat eradication on Malinoa and Motutapu, we are excited to report that this program is already being replicated this month on two additional islands – Fangasito and Luahiapo in the Vava’u Island Group. –Richard Griffiths
These islands were established as priorities for protection during the Vava’u BIORAP, or Biodiversity Rapid Assessment, completed by SPREP and the Tongan Government under the Global Environment Facility’s – Pacific Alliance for Sustainability (GEFPAS) Integrated Island Biodiversity Project.
The initiative is supported by: the Global Environment Facility Pacific Alliance for Sustainability (GEFPAS) project ‘‘Prevention, control and management of invasive alien species in the Pacific islands”; the United Nations Environment Program (UNEP); the Secretariat of the Pacific Regional Environment Programme (SPREP); the Tongan Ministry of Environment, Energy, Climate Change, Disaster Management, Meteorology Information and Communications; Island Conservation; Vava’u Environmental Protection Association (VEPA), Fonds Pacifique, and Bell Laboratories.
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About SPREP
The Secretariat of the Pacific Regional Environment Programme (SPREP) is the primary intergovernmental environmental organisation in the Pacific. SPREP’s work is guided by the SPREP Strategic Plan which has been developed by the 26 SPREP member countries and territories. The Secretariat, based in Apia, Samoa, works with members and partners to deliver on environmental management and sustainable development in the region against four strategic priorities: Biodiversity and ecosystem management; Climate change; Waste management and pollution control; and Environmental monitoring and governance. SPREP delivers its strategic priorities through policy and technical support to island members, providing provide direct national level support while building technical capacity and relevant common approaches through regional collaborative efforts.
About Tonga
The Kingdom of Tonga, is a Polynesian sovereign state and archipelago comprising 169 islands of which 36 are inhabited. The total surface area is about 750 square kilometers (290 square miles) scattered over 700,000 square kilometers (270,000 square miles) of the southern Pacific Ocean. It has a population of approximately 103,000 people of whom 70% reside on the main island of Tongatapu. The Department of Environment is the national focal point for conservation of biological diversity, sustainable use, and management of the natural environment, addressing emerging environmental issues.
About Island Conservation
Island Conservation (IC) is our world’s only global, not-for-profit conservation organization whose mission is to prevent extinctions by removing invasive species from islands. We work where the concentration of both biodiversity and species extinction is greatest – islands. Removing a primary threat – introduced invasive vertebrates – is one of the most critical interventions for saving threatened plants and animals and restoring island ecosystems. Once invasive species are removed, native island species and ecosystems recover with little additional intervention. Over the past 20 years, Island Conservation and partners have deployed teams to protect 994 populations of 389 species on 52 islands. IC is headquartered in Santa Cruz, CA with field offices in Australia, British Columbia, Chile, Ecuador, Hawaii, New Zealand, and Puerto Rico.
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[1] IUCN Red List of Threatened Species (www.iucnredlist.org)
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