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Tags / Keywords brown rats
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Tokelau Invasive Species Strategy and Action Plan (TISSAP) 2020 - 2027 = Peleni Taki A Tokelau Mo Te Pulepulega O Na Meaola Fakalafua (Tissap) 2020–2027 Ma Te Peleni Galuega

Island and Ocean Ecosystems, BRB

Available Online

We are a central Pacific nation comprising three atolls lying to the north of Samoa and south of the Phoenix Islands of Kiribati, and centred on latitude 9o S. The areas of the atolls are roughly similar – Atafu c.350 ha, Nukunonu c.500 ha and Fakaofo c.400 ha – and each gaining only a few meters elevation. All three islands are classic atolls being at the summit of ancient, raised seamounts projecting upward about 5000 m from the seabed, and with large open lagoons which have shallow passages to the sea in many places. The climate is moderated by the ocean currents and easterly trade winds that blow steadily throughout the year and the wet season occurs in November-April. Cyclones and storm surges sometimes inundate much of the land as occurred at Fakaofo in the early 2000s.

A review of Vanuatu's legislative regulation and management of invasive species: report

Available Online

Hakwa. M.T

DRAFT Review of legal framework for the management of invasive alien species in Tonga, Agricultural Sector

Climate Change Resilience, BRB

Ministry of Lands, Environment, Climate Change and Natural Resources for the Kingdom of Tonga

Invasive Alien Species Management Plan 2016-2020, Aleipata Islands, Samoa

Island and Ocean Ecosystems, BRB

Available Online

Serra, Gianluca

Tipamaa, Faleafaga Toni

The government in collaboration with the Aleipata District (eleven villages) and IUCN developed a management plan - the last update being for the period 2008-2010 (MNRE 2008) - with the aim to guide the protection and conservation of the marine environment of the Aleipata District.

Canna seabird recovery project: 10 years on

Island and Ocean Ecosystems, BRB

Available Online

Rats were eradicated in 20052006 from the islands of Canna and Sanday, Scotland (total area 1,320 ha). Poison bait was laid from December 2005 onwards and the last rat was killed in February 2006. An intensive period of monitoring over the next two years con?rmed that no rats remained on the islands. Seabirds have been monitored on Canna for nearly 50 years and some species have shown good evidence of recovery since the eradication. Other species have not recovered and this may have been due to mortality caused by food shortages or storm events which have been impacting seabirds in the region. These regional changes in pressures affecting the seabird populations make the interpretation of the impacts of the rat eradication programme much more difficult. Atlantic puffins, formerly con?ned to off shore stacks, have recolonised sites on the mainland of Canna and a count of over 2,000 was recorded in 2016. Manx shearwaters, which had ceased nesting in the monitored colony have made a slow recovery to one or two pairs in 2016. Productivity has also increased from a low of 0.2 chicks per nest in the 1990s to 0.74 in 2017. European shags nesting in boulder colonies were most susceptible to rat predation. One such colony has recovered from 45 nests in 2005 to 75 in 2016 and productivity increased from less than 0.7 chicks per nest to an average of 1.6 following eradication. Populations of shags nesting in cliff locations have shown no recovery or have declined. Mew gulls, which nest along the shoreline, have increased from ?ve to over 30 pairs. Other seabirds, such as common guillemots and black-legged kittiwakes, have shown no clear trends and are probably affected by other factors. Rabbit populations have increased on both islands, reaching an estimated 15,500 animals in 2013 that were causing considerable damage through grazing, erosion, and disturbance of archaeological remains. It is unclear whether the increase in rabbit numbers can be attributed to rat eradication. An intensive control programme has brought the rabbit population under control. While some seabirds have responded positively to the rat eradication, the response of some has been slow and others have not responded, probably as a result of regional pressures on their survival. It is important that monitoring of both seabirds and rabbits continues to track the success of this important seabird colony.

Maximising conservation impact by prioritising islands for biosecurity

Available Online

Bambini, L.

Dawson, J.

Havery, S.

John, L.

Oppel, S.

Radford, E.

Varnham, K.

Invasive alien species are one of the primary threats to native biodiversity on islands worldwide, and their expansion continues due to global trade and travel. Preventing the arrival and establishment of highly successful invasive species through rigorous biosecurity is known to be more economic than the removal of these species once they have established. However, many islands around the world lack biosecurity regulations or practical measures and establishing biosecurity will require social and financial investments. Guiding these investments towards islands where native biodiversity is at highest risk from potential invasions is of strategic importance to maximise conservation benefit with limited resources. Here we implement an established prioritisation approach, previously used to identify which islands will have the greatest conservation gains from the eradication of invasive species, to identify which islands would benefit the most from establishing or improving biosecurity. We demonstrate this approach for 318 islands in the Caribbean UK Overseas Territories and Bermuda where we considered all threatened native terrestrial vertebrates that are vulnerable to the most harmful invasive vertebrates (black and brown rats, cats, small Indian mongoose, green iguana). The approach calculates the increase in conservation threat score resulting from anticipated negative effects of potential invaders on native biodiversity, and highlighted Sombrero (Anguilla) and Cayman Brac (Cayman Islands) as important islands where threatened reptile species would likely be eliminated if rats, feral cats or mongoose invaded. Feasibility and cost implications should now be investigated more closely on the highlighted islands. The prioritisation presented here can be expanded to more islands and more invasive/native taxa (herbivores, plants and invertebrates), but requires a classification of the severity of potential impacts between invasive and native species for which currently little information exists. Besides highlighting opportunities for biosecurity, this approach also highlights where knowledge gaps about population sizes of and threats to reptiles with restricted ranges exist.

Guam invasive species management plan interim 2017-2019: interim

Available Online

The 2017-2019 Interim Guam Invasive Species Management Plan (GISMP) expresses the overarching goals and priorities of the Guam Invasive Species Council (GISC or Council). The Guam Invasive Species Act of 2011 (Public Law 31-43) established the Council as Guams lead entity in coordinating with local, regional, national, and international jurisdic¬tions in the fight against alien invasive species. Although the GISC is in its infancy stages of organization, it draws from the collective knowledge, past research, and progress of its members in establishing the Councils goals and priorities. Priorities and goals identified in this plan reflect current and near-term resources, member capabilities, and status of certain invasive species. Recommendations contained in the Regional Biosecurity Plan for Micronesia and Hawaii (RBP), the 2016-2018 National Inva¬sive Species Councils Management Plan, the Regional Invasive Species Council (RISC), and various stakeholders were considered in the development of this plan. The Council also considered developments under the purview of the Hawaii Invasive Species Council and its 2015-2020 HISC Strategic Plan.

American Samoa invasive species and action plan.

Available Online

American Samoa invasive species strategy and action plan for the only US territory in the South Pacific being such is faced with unique threats with its location from a national perspective and has a need for both nation al and regional collaborations. The ecological integrity of American Samoa is of utmost importance in the face of invasive species. The cultural identity of American Samoans is also closely tied to the ecological integrity of its natural environment. And given its a highly limited economy, any impact by invasive species on its natural ecosystems that provide goods and services will be almost immediate. The establishment of an invasive species plan, with its clearly articulated priority actions, goals and objectives will provide a guidance to deal with the threats of invasive species. The implementation of the plan will: (1) increase awareness of their threats; (2) inspire cooperation to prevent and minimize their impacts and implement appropriate approaches; and (3) improve decision making through the process of data and information sharing from the best available science. Priorities are: Implement urgent and necessary actions; Enhance capacities for informed decisions; Advance preventive and rapid-response protocols and measures.

How the race to achieve Aichi Target 11 could jeopardize the effective conservation of biodiversity in Canada and beyond.

Available Online

Lemieux, C J

n 2010 Parties to the United Nations (UN) Convention on Biological Diversity (CBD) agreed to reduce the rate ofbiodiversity loss within a decade by achieving 20 objectives that are commonly known as the Aichi Targets.

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