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Island invasives : scaling up to meet the challenge.

Island and Ocean Ecosystems, BRB

Available Online

Clout, M.N.

Martin, A.R.

Russell, J.C.

Veitch, C.R.

West, C.J.

The papers in this volume were, with a few exceptions, presented at the third Island Invasives conference, held in Dundee, Scotland in July 2017. The papers demonstrate up-scaling in several aspects of eradication operations not least in ambition, land area, operational size, global reach and of course financial cost. In the space of a few decades, the size of islands treated for invasive species has increased by five orders of magnitude from a few hectares to over 100,000 ha or 1,000 km2. Meanwhile, the diversity of species being tackled has increased, as has the range of countries now actively carrying out island restoration work. Inspired by pioneers from New Zealand and Australia, principally, today the movement has spread to islands in all oceans and off all continents. This expansion has been informed by, and has in turn produced, growing experience in all aspects of this field, from non-target impacts to ecological responses to factors affecting eradication success. A major aim of publishing these Proceedings is to inform people who are, or will in the future be, planning new projects to free islands of invasive species. Regardless of its location or the target species involved, each successive operation builds on the experience of those who have gone before, and the papers in this volume represent an invaluable wealth of such experience.

Chocolate, Parrots and Melting Snowmen

Climate Change Resilience, BRB

Available Online

Erlick, June Carolyn

THE ENERGY CHOICES WE MAKE TODAY ARE resulting in changes in the amount of carbon dioxide emitted to the atmosphere that will be seen in the composition of the atmosphere for hundreds of thousands of years. Climate change is here; its happening and going to be with us for thousands of years.

Cane Toad (Bufo marinus) fact sheet.

Available Online

Wetlandcare Australia

4 page Fact sheet provides general information to background history, description of Cane Toad in different life stages, why they are invasive pest, and control actvities

Cane Toad (Bufo marinus) Fact Sheet

Available Online

Perth Zoo

1 page fact sheet by Perth Zoo, Australia, with brief description, diet, behavior and threats posed

The cane toad (Bufo marinus).

Available Online

Australian Government, Department of the Environment, Water, Heritage and the Arts.

4 page Fact sheet provides general information to background history, disribution, behavior, description of Cane Toad in different life stages, why they are invasive pest, and control actvities; The Australian Government cane toad commitment is providing more than $2 million over two years (2008-09 to 2009-10) to reduce the impacts of cane toads and to develop a national cane toad plan. Through these investments under the Caring for our County initiative, the Government is continuing to assist with funding for ground-control work, as well as research and development of sustainable control measures. In 2009-10, the Government provided over $1 million for community-based control activities and research to reduce cane toad numbers.

Biological control of weeds in the Pacific Island countries and territories: current status and future prospects

Available Online

Day, Michael D.

Winston, Rachel L.

Biological control of introduced weeds in the 22 Pacific island countries and territories (PICTs) began in 1911, with the lantana seed-feeding fly introduced into Fiji and New Caledonia from Hawaii. To date, a total of 62 agents have been deliberately introduced into the PICTs to control 21 weed species in 17 countries. A further two agents have spread naturally into the region. The general impact of the 36 biocontrol agents now established in the PICTs ranges from none to complete control of their target weed(s). Fiji has been most active in weed biocontrol, releasing 30 agents against 11 weed species. Papua New Guinea, Guam, and the Federated States of Micronesia have also been very active in weed biocontrol. For some weeds such as Lantana camara, agents have been released widely, and can now be found in 15 of the 21 PICTs in which the weed occurs. However, agents for other commonly found weeds, such as Sida acuta, have been released in only a few countries in which the weed is present. There are many safe and effective biocontrol agents already in the Pacific that could be utilised more widely, and highly effective agents that have been released elsewhere in the world that could be introduced following some additional host specificity testing. This paper discusses the current status of biological control efforts against introduced weeds in the 22 PICTs and reviews options that could be considered by countries wishing to initiate weed biological control programmes.

Prioritisation of targets for biological control of weeds on Pacific Islands

Available Online

Quentin Paynter

Invasive weeds are one of the most serious threats to biodiversity and sustainable development in the Pacific region. Biocontrol is likely to be the only feasible way of managing many widespread weeds, but is not always appropriate or successful. With so many weed species to tackle and inevitably limited resources, prioritising where to direct control efforts most effectively is of key importance. Landcare Research recently developed a framework for the Australian government that allows the best and worst weed targets for biocontrol to be identified. Critical Ecosystem Partnership Fund and USDA Forest Service International Programs funding enabled this framework to be applied to weeds of the Pacific region.

The status of weed biological control in Vanuatu

Available Online

Bule, Sylverio

Day, Michael D.

Biological control of weeds in Vanuatu began in 1935, with the introduction of the tinged Teleonemia scrupulosa to control Lantana camara. To date, nine biological control agents have been intentionally introduced to control eight weed species. Seven of these agents have established on their respective hosts while an eighth, Zygogramma bicolorata, an agent for Parthenium hysterophorus has only recently been released and establishment is unlikely.

Biological control of Chromolaena odorata in Papua New Guinea (CP/1996/091)

Available Online

Day, Michael

The main outcome of the project was the control or significant reduction of chromolaena in most provinces of PNG. Areas that were once monostands of chromolaena have been converted back into subsistence farms, and plantations in which chromolaena was the main understorey species are now clear of the weed. This outcome was the result of the primary outputs of the project: (a) knowledge of the extent of the chromolaena problem and its impact of the livelihoods of smallholders, (b) an understanding of effective biocontrol agents and (c) significant capacity built in biocontrol of weeds.

Cane toad strategy for Western Australia 2014 to 2019

Available Online

The Government of Western Australia, Department of Parks and Wildlife

Cane toads introduced to Queensland in 1935, are major environmental pests in Western Australia, having arrived here in February 2009. The Liberal National Government released a 10-year Cane Toad Strategy for Western Australia in 2009. Over the first five years of the strategy, much has been achieved and the government has invested more than $7.8 million in on ground activities and research to help control the spread of can toads. With a range of stakeholders, including community groups, universities, the Australian Government, local shires, Indigenous groups and others, the State of Government has implemented many new can toad management programs including a field-based cane toad surveillance and response team, strengthened quarantine measures, a free-call hotline to report cane toad sightings and cane toad drop off points. Major biological survey work has provided benchmark information on important island wildlife populations that need priority protection from cane toad. Biological controls are also being researched for the survival of native wildlife species in the short and medium terms and management of cane toads in the longer term. Educating the community has prevented new populations from establishing in Perth and elsewhere. Detector dog specially trained to sniff out cane toads is a proactive measure to stem the spread of this noxious pest. This is a review and update on the original 10 year strategy to review and update the strategy to reflect progress in implementation, the current status of cane toads in WA and results of ongoing research, and to refocus its aims and objectives. Cost effective activities and an integrated approach with other initiatives across WA, such as the $81.5 million Kimberley Science and Conservation Strategy, are required. The revised Cane Toad Strategy for Western Australia 2014-2019 will ensure the available information is used to inform Was continued management of cane toads.

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