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Pacific Islands Roundtable for Nature Conservation 24th Annual meeting - Friday 26 November 2021
Island and Ocean Ecosystems
Available Online
2021
This report reflects the key outcomes of the 24th PIRT Annual Meeting and is provided for the information of PIRT Members and Working groups as well as other interested organisations, partners and stakeholders.
Melanesia holds the World’s most Diverse and Intact Insular Amphibian Fauna
Island and Ocean Ecosystems
Available Online

Bower, Deborah. S

,

McDonald, Peter. J

,

Oliver, Paul M.

,

et al

2022
Identifying hotspots of biological diversity is a key step in a conservation prioritisation. Melanesia centred on the vast island of New Guinea - is increasingly for its exceptionally species rich and endemic biota. Here we show that Melanesia has the world's most diverse insular amphibian fauna, with over 7% of recognised global fog species in less than 0.7% of the world's land area and over 97% of species endemic.
Microbial Contamination Survey of Environmental Fresh and Saltwater Resources of Upolu Island, Samoa
Island and Ocean Ecosystems
Available Online

Ochsenkühn, Michael A.

,

et al

2021
Analysis of microbe diversity in freshwater resources and nearshore seawater samples of Upolu island was performed to investigate the distribution of harmful bacteria.
Eradication of mice from Antipodes Island, New Zealand
Island and Ocean Ecosystems, BRB
Available Online

Elliott, G.

,

Greene, T.

,

Horn, S.

2019
In winter 2016, the New Zealand Department of Conservation (DOC) eradicated mice (Mus musculus) from the Antipodes Islands located at 49°S 178°E, 760 km south-east of New Zealand’s South Island. Mice were the only mammalian pest species present. They have extensively impacted the abundance and survival of invertebrates, with likely secondary impacts on endemic terrestrial birds and nesting seabird fauna. Public-private partnerships with DOC instigated the project and provided essential financial support. Baseline scientific data for operational planning and outcome monitoring were collected by a research expedition in July 2013 and project planning began in 2014. At the time of writing, this is the largest eradication of mice undertaken where mice are the sole mammalian pest species. Logistical challenges were complicated by a broad range of regulatory obligations. The expedition-style project used a ship to deliver a team and equipment to Antipodes Island where they established camp and remained until the completion of baiting. Bait spread was completed incrementally as weather allowed, comprehensively covering the islands in two separate treatments between 18 June 2016 and 12 July 2016. The last sign of mice was detected 20 days after the fi rst application of bait and the eradication of mice was confirmed by monitoring in late summer 2018. Public engagement was achieved with regular operational updates across multiple platforms and positive media coverage. Non-toxic bait trials accurately predicted some by-kill of pipit (Anthus novaeseelandiae steindachneri) but did not anticipate poisoning of some Antipodes parakeet (Cyanoramphus unicolor) and Reischek’s parakeet (Cyanoramphus hochstetteri). Known pest-free islands were not baited, providing refuge for land birds to mitigate the risk. Fledging success of Antipodean albatross (Diomedea antipodensis antipodensis) chicks was not impacted by the operation and those species that were affected had recovered by summer 2018.
Current state of knowledge of Cetacean Threats, Diversity and Habitats in the Pacific Islands Region / by Cara Miller
Climate Change Resilience, Island and Ocean Ecosystems
Available Online

Miller, Cara

2007
This report provides an overview of the current state of knowledge of cetacean diversity, habitat and threats in the Pacifi c Islands Region. The boundaries of the Pacifi c Islands Region (Chapter 1), as defi ned by the Convention of Migratory Species (CMS) Memorandum of Understanding (MoU) for the Conservation of Cetaceans and their Habitats in the Pacifi c Islands Region (CMS 2006), are the marine areas under the jurisdiction of each Country or Territory of the Pacifi c Islands Region, and extend to the area defi ned by the Noumea Convention, i.e., between the Tropic of Cancer and 60° South latitude, and between 130° East longitude and 120° West longitude. The region stretches over some 10,000 kilometres from east to west and 5,000 kilometres from north to south, with a combined economic exclusion zone (EEZ) of approximately 30 million km². This region contains 22 Pacifi c Island Countries and Territories, as well as a portion of the Australian continent, both the North and South Islands of New Zealand, and a portion of the Hawaiian Islands. The region is purported to hold the most extensive and biologically diverse reefs in the world, the deepest ocean trenches, the world’s largest tuna fi shery, as well as a range of globally threatened species such as sea turtles, dugongs and cetaceans (UNDP 1999)

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