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.
The Baja California Pacifc Islands, Mexico, are globally important breeding sites for 22 seabird species and subspecies. In the past, several populations were extirpated or reduced due to invasive mammals, human disturbance, and contaminants. Over the past two decades, we have removed invasive predators and, for the last decade, we have been implementing a Seabird Restoration Programme on eight groups of islands: Coronado, Todos Santos, San Martín, San Jerónimo, San Benito, Natividad, San Roque, and Asunción.
Considerable bene?ts can be achieved for indigenous biodiversity when invasive vertebrates are removed from islands. In New Zealand, two logistically challenging eradications were undertaken, one to remove cats (Felis catus) and the other Paci?c rats (Rattus exulans) from Te Hauturu-o-Toi/Little Barrier Island (Hauturu). Here we document the short- and long-term impacts of these interventions on the biodiversity of Hauturu. We also assess the extent to which predicted outcomes were re?ected in the measured responses for a wide range of species.
Who are we? UN Environments specialist biodiversity assessment centre, based in Cambridge, UK
Available online|Powerpoint presentation
Call Number: [EL]
Physical Description: 16 p
One of the recommendations emerging from the COP-8 (Decision XIII/8 [6]) promoted a series of regional and/or sub-regional workshops on capacity building for NBSAPs. These will
be held with the aim to discuss national experiences in implementing NBSAPs, the integration of biodiversity concerns into relevant sectors, obstacles, and ways and means
for overcoming these obstacles. It was recommended that these workshops be held (subject to the availability of funding) prior to COP-9, to provide an opportunity to directly support
The Pacific region has benefited from a number of regional and national programmes to both assess the impacts of climate change on biodiversity and develop programmes to adapt to climate change. Such programmes are critical considering that the Fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC) 1/ states that the Pacific region has already experienced temperature increases of as much as 1°C since 1910.
Climate change is a major threat to global biodiversity. From the tropics to the Poles, the worlds ecosystems are all under pressure. A study published in the scientific journal Nature posited that 15 to 37% of terrestrial animal and plant species could be at risk of extinction because of human-induced impacts on climate (Thomas et al., 2004). Scattered across the four corners of the Earth, European Union overseas entities, are home to a biological diversity that is as rich as it is vulnerable.
Tongas marine ecosystems are worth at least TOP 47 million per year, exceeding the countrys total export value. We are strongly committed to sustaining these values to build an equitable and prosperous blue economy.
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Call Number: [EL],363.94 MAR
ISBN/ISSN: 978 82 7701 174 5
Physical Description: 84 p
Interface habitats, areas where aquatic and terrestrial habitats intersect, play important functional roles. Interface habitats mediate the exchange of resources (e.g.. energy,
nutrients, water), alter abiotic gradients (e.g.. temperature, salinity, pH. sedimentation, nutrients), insulate abutting habitats from disturbances, and serve as critical habitat in
This American Samoa Archipelago Fishery Ecosystem Plan (FEP) was developed by the Western Pacific Regional Fishery Management Council and represents the first step in an incremental and collaborative approach to implement ecosystem approaches to fishery management in American Samoa.
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Physical Description: 245 p.
The Tokelaus are a chain of three atolls, soutii of the Phoenix Group and north of the Sarnoas. Distances (in statute miles) froin Apia, Western Samoa, are approxi~i~ately 300 to Fakaofo, 330 to Nukunono, and 400 to Atafu. Annual rainfall for each atoll is usually in excess of 100 inches but they have experienced long dry spells. llurricanes occasionally pass througii the group and several motus of I4ukunono atoll were swept by waves in the storni of January 29 and 30, 1966.
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Although ornithological observations have not been the main object of any pliase of our work on the Northern Marshall Islands, numerous notes on birds have accumulated which are here placed on record, The birds were identified by use of Ernst Mayr's "Birds of the Southwest Pacific!' and the names used here are mostly those accepted by Mayr in that work. UnIortunately it was impractical to document these records with specin?ens. The sight observations presented should therefore be acceprcd with some reservations.
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This guide provides essential information to better understand
the role of marine protected area networks to achieve marine
Landing on Swains Island is made on the west side at Taulaga, the only village on the island. Besides a small number of thatched, Samoan- style huts ("fale"), Taulaga has a small white church and a large, barn- like copra shed. Leading from the copra shed to the nearby beach are old railway tracks which were once used to transport copra from the shed to the beach for transfer to cargo vessels. Nearby is a large cleared area that may one day be made into an airport runway to link Swains Island by air to Tutuila, the main island of American Samoa.
This Pacific Pelagic Fishery Ecosystem Plan (FEP) was developed by the Western Pacific Regional Fishery Management Council and represents the first step in an incremental and collaborative approach to implement ecosystem approaches to fishery management for Pacific pelagic species.
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Call Number: [EL]
Physical Description: 234 p.
This report has benefited from the inputs of hundreds of individuals, a list far too numerous to include in its entirety. These individuals volunteered their time to support this effort, and to that we are deeply indebted. We want to thank them all knowing full well that this task is not feasible..
Call Number: [EL]
ISBN/ISSN: 978-2-8317-1030-3
Physical Description: 43 p. ; 29 cm
Fais (Tromelin) is an elevated coral island, surrounded by interrupted cliffs 15-20 meters high, lying some 140 miles east of Yap Island, at latitude 9'46' N, longitude 140'31' E in the western Caroline Islands. It has an area of 2.8 square km, and has a population of about 300 people, Micronesians, speaking a dialect of the Ulithi-Woleai tongue. As with many such raised coral islands, valuable calcium phosphate deposits occur on Fais, the greater portion of which was removed and exported during the period of Japanese rule (1914-1945).
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This paper describes the channels known as hoa which are characteristic of atoll land rims and of some islands on barrier reefs, where they often dissect previously more continuous reef-top sediment accumulations and conglomerate platforms. They are