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Eradicating Pacific rats (Rattus exulans) from Nu'utele and Nu'ulua Islands, Samoa - some of the challenges of operating in the tropcial Pacific
BRB
Available Online

Butler, D.J.

,

Tipamaa, F.T.

,

Tye, A.

,

Wylie, M.

2011
The restoration of the small offshore islands of Nu’utele (108ha) and Nu’ulua (25ha) has long been identified as a priority for biodiversity conservation in Samoa. The first step towards restoration was the aerial spreading of brodifacoum to eradicate Pacific rats (Rattus exulans) in August 2009. Procedures for the eradication followed those used in New Zealand and involved technical experts from that country. Particular challenges included a tight operational time-frame (two months), technical problems magnified by the remote location, variable reliability of weather forecasting,working with the local community, and mitigating rodenticide exposure risks for the friendly ground-dove (Gallicolumba stairi) (IUCN: vulnerable). Solutions to these challenges are discussed as guidance for similar projects in remote island locations. Follow-up monitoring between August 2009 and March 2010 indicated that the eradication had been successful, but Pacific rats were detected on Nu’utele in May 2011. Nu’ulua has yet to be rechecked in 2011. DNA analyses are being organised to determine if these rats are survivors or re-invaders.
Regional Environmental Change - Climate hotspots: key vulnerable regions, climate change and limits to warming

Battaglini, Antonella (ed.)

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Cramer, Wolfgang (ed.)

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Hare, William L. (ed.)

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Jaeger, Carlo C. (ed.)

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Schaeffer, Michiel (ed.)

2011
Regional environmental change - Supplement 1 - Articles included:|Climate hotspots: key vulnerable regions, climate change and limits to warming (Editorial)|Three views of two degrees (Jaeger CC., Jaeger J.)|Climate and conflicts: the security risks of global warming (Scheffran J., Battaglini A.)|Dangerous levels of climate change for agricultural production in China (Tao F., Zhang, Z., Yokozawa M.)|Impacts of climate change on Chinese ecosystems: key vulnerable regions and potential thresholds (Ni J.)|Climate change in Nepal and its impact on Himalayan glaciers (Shrestha AB., Aryal R.)|Implications of climate change in sustained agricultural productivity in South Asia (Lal M.)|Climate change, flooding in South Asia and implications (Mirza MMQ.)|Climate change risks in Sahelian Africa (Ben Mohamed A.)|Agriculture, livelihoods and climate change in the West African Sahel (Sissoko K., van Keulen H., Verhagen J., Tekken V., Battaglini A.)|Potential responses of terrestrial biodiversity in Southern Africa to anthropogenic climate change (Midgley GF., Thuiller W.)|Climate change and agricultural vulnerability: a case study of rain-fed wheat in Kairouan, Central Tunisia (Mougou R., Mansour M., Iglesias A., Chebbi RZ., Battaglini A.)|Towards a general relationship between climate change and biodiversity: an example for plant species in Europe (Alkemade R., Bakkenes M., Eickhout B.)|The responses of agriculture in Europe and climate change (Bindi M., Olesen JE.)|Toward adaptation of agriculture to climate change in the Mediterranean (Iglesias A., Mougou R. Moneo M., Quiroga S.)|Climate change, food stress, and security in Russia (Dronin N., Kirilenko A.)|Climate change threats to environment in the tropical Andes: glaciers and water resources (Chevallier P., Pouyaud B., Suarez W., Condom T.)|Climate change and Australia: key vulnerable regions (Hughes L.)|Dangerous climate change and water resources in Australia (Risbey JS.)|Australian agriculture: coping with dangerous climate change (Steffen W., Sims J., Walcott J., Laughlin G.)|Coral reef ecosystems and anthropogenic climate change (Hoegh-Guldberg O.)|Dangerous climate change in the Pacific islands: food production and food security (Barnett J.)|Critical vulnerabilities of marine and sea ice-based ecosystems in the high Arctic (Johannessen OM., Miles MW.)|Climate vulnerability of ecosystems and landscapes on Alaska's North Slope (Kittel TGF., Baker BB., Higgins JV., Haney JC.)|Interpreting 'dangerous' in the United Nations framework convention on climate change and the human rights of Inuit (Crowley, P.)