The world is facing a biodiversity crisis. Nowhere is that more apparent than on oceanic islands where invasive species are a major threat for island biodiversity. Rats are one of the most detrimental of these and have been the target of numerous eradication programmes; a well-established conservation tool for island systems.
The impacts of house mice (Mus musculus), one of four invasive rodent species in New Zealand, are only clearly revealed on islands and fenced sanctuaries without rats and other invasive predators which suppress mouse populations, influence their behaviour, and confound their impacts. When the sole invasive mammal on islands, mice can reach high densities and influence ecosystems in similar ways to rats.
Following the incursion of rats (Rattus rattus) on Taukihepa (Big South Cape Island; 93.9 km²) off southern New Zealand in 1963, and the subsequent extirpation of several endemic species, the New Zealand Wildlife Service realised that, contrary to general belief at the time, introduced predators do not reach a natural balance with native species and that a safe breeding habitat for an increasing number of at risk species was urgently needed.
Rat eradication is a highly effective tool for conserving biodiversity, but one that requires considerable planning eff ort, a high level of precision during implementation and carries no guarantee of success. Overall, rates of success are generally high but lower for tropical islands where most biodiversity is at risk. We completed a qualitative comparative review on four successful and four unsuccessful tropical rat eradication projects to better understand the factors influencing the success of tropical rat eradications and shed light on how the risk of future failures can be minimised.
Stakeholder consultations were the most important aspect of achieving the marae moana legislation.
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Aichi biodiversity targets
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The IUCN World Commission on Protected Areas is one of six Commissions of the leading conservation body in the world - the International Union for the Conservation of Nature (IUCN)
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BIOPAMA inception meeting in Samoa, June 2018
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A data and information management tool for Pacific island protected areas
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Key features of the PIPA portal
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Opportunity for regional input on investment priorities - potential GRANTS.
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BIOPAMA inception meeting. June, 2018
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Vision for future tools.
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From knowledge to action for a protected planet
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What is management effectiveness evaluation ?
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Our protected area network across land and sea safeguards our precious and outstanding natural and cultural heritage. Together we manage these areas effectively for all the people of Papua New Guinea.
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Results here represent work completed by staff at the PNG
Conservation and Environment Protection Authority (CEPA)
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Formal Gazettal and effective management of the Torricelli Mountain Range Conservation Area -2005 to presen
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Background of Environment Management Act.
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Established as part of Government Initiatives e.g. Kiritimati and Southern Line Islands (1975), PIPA (2006) and Nooto Ramsar site (2013
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Physical Description: 26 p