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  • Author Secretariat of the Pacific Regional Environment Programme
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  • Collection Biodiversity Conservation
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House sparrow eradication attempt on Robinson Crusoe Island, Juan Fernández Archipelago, Chile
Biodiversity Conservation, BRB
Available Online

Bonham, J.

,

Campbell, K.

,

Hagen, E.

2019
House sparrows (Passer domesticus) compete with native bird species, consume crops, and are vectors for diseases in areas where they have been introduced. Sparrow eradication attempts aimed at eliminating these negative effects highlight the importance of deploying multiple alternative methods to remove individuals while maintaining the remaining population naïve to techniques. House sparrow eradication was attempted from Robinson Crusoe Island, Chile, in the austral winter of 2012 using an experimental approach sequencing passive multi-catch traps, passive single-catch traps, and then active multi-catch methods, and finally active single-catch methods. In parallel, multiple detection methods were employed and local stakeholders were engaged. The majority of removals were via passive trapping, and individuals were successfully targeted with active methods (mist nets and shooting). Automated acoustic recording, point counts and camera traps declined in power to detect individual sparrows as the population size decreased; however, we continued to detect sparrows at all population densities using visual observations, underscoring the importance of local residents’ participation in monitoring. Four surviving sparrows were known to persist at the conclusion of eff orts in 2012. Given the lack of formal biosecurity measures within the Juan Fernández archipelago, reinvasion is possible. A local network of citizen observers is the best tool available to detect house sparrows at low density, however ongoing, dedicated eradication funding does not exist. Opportunistic removals via shooting have been possible from 2013–2016, but elusive individual sparrows were seen during a small number of days each year suggesting remnant group(s) exist in yet unknown forest locations.
JNAP Development and implementation in the Pacific: Experiences, lessons and way forward.
Climate Change Resilience, Biodiversity Conservation
Available Online

Secretariat of the Pacific Regional Environment Programme

2013
Since 2010, Pacific Island Countries (PICs) have taken steps to develop and implement an integrated action plan, or Joint National Action Plan (JNAP), for climate change (CC) and disaster risk management (DRM). Tonga was the first country to develop its JNAP and to get government approval in July 2010, with several other PICs following suit. The development of a JNAP has been encouraged and facilitated by the Secretariat of the Pacific Regional Environment Programme (SPREP) and the Secretariat of the Pacific Community (SPC) through its Applied Geosciences Division (SOPAC) and multilateral and bilateral development partners such as the United Nations Development Program (UNDP), GIZ and the Government of Australia. Countries have also made efforts to systematically implement their JNAPs by accessing domestic resources and financial resources available through bilateral and multilateral Official Development Assistance (ODA) and climate change finances (CCF). The purpose of this report is to review the JNAP development and implementation process, and assess lessons learnt for future JNAPs in the region. The review focuses on the Cook Islands and Tonga, which have made progress in implementing their JNAP strategies. These countries obtained support from development partners for JNAP implementation. The review also included Tuvalu, which has completed development of its JNAP with Government endorsement, and countries currently in the process of developing their JNAP – Kiribati, Nauru, Niue and the Republic of Marshall Islands. Reference is also made to other countries such as Palau, Solomon Islands and Vanuatu, which chose alternative paths to their integration of CC and DRM.