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Read about recent developments and findings in procellariiform science and conservation relevant to the Agreement on the Conservation of Albatrosses and Petrels in ACAP Latest News.

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Book review: The defeat of furry invaders on a sub-Antarctic island

Tony Martin’s new book (authored along with “Team Rat”) tells the stirring story of ridding South Georgia (Islas Georgias del Sur)* of introduced rodents by aerial bombardment of a thousand square kilometres with 12 500 bags of poison bait from three vintage helicopters.  It relates, in word and image, the baiting work that took place on the island in three phases (in 2011, 2013 and 2015) that has been regularly reported in in ACAP Latest News (click here).  The book has been produced to help raise funds for the final and crucial phase of the project that will conduct monitoring next year to confirm - or not - that the island’s Norway Rats Rattus norvegicus and House Mice Mus musculus are finally gone.

Snow- and ice-clad mountains rear behind a Wandering Albatross on Prion Island, photograph by Anton Wolfaardt

The three phases of the eradication, depicted in green (Phase One) and red (Phase Two top, Phase Three bottom)

The Author’s Preface says the book “is a story of highs and lows, excitement and frustration, fear and astonishment, and lots of plain hard graft.”  It also shows how such a big island, far larger than any previously treated, could be successfully baited in phases due to glaciers impenetrable to rats dividing the island into zones.  Retreating glaciers, presumed due to climate change, were putting rat-free areas at risk so it was essential the eradication was not delayed.

I much enjoyed reading Tony’s book – and admiring the stunning scenery it depicts.  The achievement it portrays should be a welcome boost to developing plans to eradicate rodents at other infested islands in the Southern Ocean, notable the United Kingdom’s Gough and South Africa’s Marion, both overrun with predatory House Mice that have taken to killing albatrosses and petrels.

Flying loaded bait pods ashore 

Flying a bait drop, photographs courtesy of Tony Martin

Anthony Martin is Director of the South Georgia Heritage Trust’s Habitat Restoration Project, as well as being Professor of Animal Conservation at the Centre for Remote Environments, University of Dundee in Scotland.  The South Georgia Heritage Trust seeks to undertake projects that will conserve and protect the island’s important natural habitat, such as restoring large areas of habitat that threatened species of birds are unable to use to breed because of the presence of rats introduced some 150 years ago.

Professor Martin has previously published a book on albatrosses; click here for its review in ACAP Latest News.  His latest book, reviewed here, comes with a Forward by HRH The Princess Royal, Patron of the SGHT, who has been a great supporter of the eradication project.

With thanks to Tony Martin.

Reference:

Martin, T. with photographs by members of Team Rat.  undated*.  Reclaiming South Georgia.  The Defeat of Furry Invaders on a Sub-Antarctic Island.  [Dundee]: South Georgia Heritage Trust.  144 pp.  ISBN 978-0-9564546-3-8.  Hardcover, profusely illustrated in colour.  UK£ 25.00.

*Published October 2015.

John Cooper, ACAP Information Officer, 07 April 2016

*A dispute exists between the Governments of Argentina and the United Kingdom of Great Britain and Northern Ireland concerning sovereignty over the Falkland Islands (Islas Malvinas), South Georgia and the South Sandwich Islands (Islas Georgias del Sur y Islas Sandwich del Sur) and the surrounding maritime areas.

ACAP Working Group papers for La Serena meetings in Chile now available online

The Ninth Meeting of ACAP’s Advisory Committee, to be held in La Serena, Chile next month, will be preceded by the Seventh Meeting of the AC’s Seabird Bycatch Working Group from 2 to 4 May and the Third Meeting of the AC’s Population and Conservation Status Working Group on 5 and 6 May.

Documents and Information Papers for these two working groups are now available on this website (click here).  Note that some are password protected, with only summaries publically available.

 

White-phase Southern Giant Petrel scavenging on Bouvet Island, photograph by Greg Hofmeyr

John Cooper, ACAP Information Officer, 06 April 2016

Review highlights the conservation benefits gained from invasive mammal eradications on islands

Holly Jones (Department of Biological Sciences, Northern Illinois University, DeKalb, USA) and a suite of colleagues have reviewed the conservation benefits from invasive mammal eradications on islands in the Proceedings of the National Academy of Sciences of the United States of America.

The paper’s abstract follows:

“More than US$21 billion is spent annually on biodiversity conservation.  Despite their importance for preventing or slowing extinctions and preserving biodiversity, conservation interventions are rarely assessed systematically for their global impact.  Islands house a disproportionately higher amount of biodiversity compared with mainlands, much of which is highly threatened with extinction.  Indeed, island species make up nearly two-thirds of recent extinctions.  Islands therefore are critical targets of conservation.  We used an extensive literature and database review paired with expert interviews to estimate the global benefits of an increasingly used conservation action to stem biodiversity loss: eradication of invasive mammals on islands.  We found 236 native terrestrial insular faunal species (596 populations) that benefitted through positive demographic and/or distributional responses from 251 eradications of invasive mammals on 181 islands.  Seven native species (eight populations) were negatively impacted by invasive mammal eradication.  Four threatened species had their International Union for the Conservation of Nature (IUCN) Red List extinction-risk categories reduced as a direct result of invasive mammal eradication, and no species moved to a higher extinction-risk category.  We predict that 107 highly threatened birds, mammals, and reptiles on the IUCN Red List—6% of all these highly threatened species—likely have benefitted from invasive mammal eradications on islands. Because monitoring of eradication outcomes is sporadic and limited, the impacts of global eradications are likely greater than we report here.  Our results highlight the importance of invasive mammal eradication on islands for protecting the world's most imperiled fauna.”

Gough Island's Tristan Albatrosses will benefit by the planned eradication of invasive House Mice

Photograph by Andrea Angel and Ross Wanless

Reference:

Jones, H.P. et al. 2016.  Invasive mammal eradication on islands results in substantial conservation gains.  Proceedings of the National Academy of Sciences of the United States of America. doi: 10.1073/pnas.1521179113.

John Cooper, ACAP Information Officer, 05 April 2016

The conservation ecology of burrowing petrels following an island eradication: a PhD opportunity at Australia’s Macquarie Island

The project will utilize existing long-term datasets and collect new field data to track changes in the presence, distribution and abundance of burrow-nesting seabirds and to assess how this seabird community has responded to the eradication of feral vertebrates and their role in the broader ecosystem recovery after decades of feral animal impacts.

The research is part of a larger project aimed at the development of an optimal long-term monitoring strategy for key threatened species on the island and the island ecosystem as a whole.  The student will investigate the conservation return on investment of the eradication and inform decision-making strategies around threatened species monitoring and conservation.

Grey Petrel, photograph by Peter Ryan

The student will be part of the Threatened Species Recovery Hub, National Environmental Science Programme and will work in conjunction with Dr Justine Shaw and Professor Hugh Possingham (Centre of Biodiversity and Conservation Science, The University of Queensland) and Dr Rachael Alderman (Department of Primary Industry, Parks Water & Environment, Tasmania).

For details go to the link.

Applications should include a motivation letter and a short CV and sent to This email address is being protected from spambots. You need JavaScript enabled to view it..  Applications close on 18 April 2016.

John Cooper, ACAP Information Officer, 04 April 2016

Deadlines for Abstract Submissions and Early Bird Registrations for the 6th International Albatross and Petrel Conference extended

The deadlines for both Abstract Submissions and Early Bird Registrations for the 6th International Albatross and Petrel Conference (IAPC6have been extended to 10 April 2016 due to numerous requests from potential participants.

IAPC6 will be held in Barcelona Catalonia, Spain, from 19-23 September 2016.  The venue for the conference will be the historic Paranimf (Paranymph) of the University of Barcelona in the City Centre.

We invite you to submit your abstract and to register at http://iapc6.info where you can also find all information relative to the conference programme, keynote speakers and all linked events.

Read more here.

Jacob González-Solís, Raül Ramos, Gaia Dell’Ariccia, Virgínia Morera, Marta Cruz, Joan Ferrer & Laura Zango, IAPC6 Organizing Committee, 01 April 2016

The Agreement on the
Conservation of Albatrosses and Petrels

ACAP is a multilateral agreement which seeks to conserve listed albatrosses, petrels and shearwaters by coordinating international activity to mitigate known threats to their populations.

About ACAP

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119 Macquarie St
Hobart TAS 7000
Australia

Email: secretariat@acap.aq
Tel: +61 3 6165 6674