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Household vulnerability on the frontline of climate change: the Pacific atoll nation of Tuvalu

Climate Change Resilience

Available Online

Taupo, Tauisi

This paper investigates the vulnerability of households to climatic disasters in the low-lying atoll nation of Tuvalu. Small Island Developing States, particularly the atoll nations, are the most vulnerable to climatic change, and in particular to sea-level rise and its associated risks. Using the most recent household surveys available, we construct poverty and hardship profiles for households on the different islands of Tuvalu, and combine these with geographic and topographic information to assess the exposure differentials among different groups using spatial econometric models. Besides the observation that poor households are more vulnerable to negative shocks because they lack the resources to respond, we also find that they are also more likely to reside in areas highly exposed to disasters (closer to the coasts and at lower elevation) and have less ability to migrate (between and within the islands).

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.

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.

Natural history of Mopelia atoll, Society islands

Island and Ocean Ecosystems

Available Online

Sachet M.H.

The archipelago of the Society Islands, in the South Pacific, includes principally high volcanic islands, with fringing or barrier reefs, but also a number of outlying atolls: Tetiaroa, due north of Tahiti, Tupai or Motu-Iti, north-northwest of Bora-Bora and, at the west end of the volcanic chain, Maupihaa or Mopelia, Scilly or Fenua Ura or Manuae, and Bellingshausen (often spelled Bellinghausen) or Motu One.

Investigations on the soft bottom benthos in a Southwest Pacific atoll lagoon (Uvea, New Caledonia)

Island and Ocean Ecosystems

Available Online

Chevillon Christophe

Clavier Jacques

Garrigue Claire

Microbenthos and macrobenthos were quantitatively studied at 62 stations distributed regularly over the Uvea Atoll lagoon (850 km2). Sampling was performed using both SCUBA and a 0.1 m2 Smith Mclntyre grab. Mean estimates of ATP, chlorophyll a and phaeopigments were 297.3ng/cm2, 77.01 mg/m2 and 35.28 mg/m2 respectively. The mean macrobenthic biomass was 4.14 gAFDW/m2 of which the macrophytobenthos accounts for 39%. The benthic biomass decreased from the coast to the deepest parts of the lagoon. Macrophytes were most abundant in the coastal area and became progressively scarcer with increasing depth. By comparison, sessile species dominated on hard substrates in intermediate and deep zones. The abundance of the surface-deposit feeder group, that dominated the trophic structure of zoobenthos (33% of the macrofauna biomass), could be explained by a microphytic biomass six times higher than macrophytobenthic one in terms of carbon. Carnivores (32%) were mainly represented by necrophagous species, and filter-feeders (27%) by bivalves. Herbivores were rare. Four main benthic communities were identified on the basis of their macrobenthic assemblages using a Detrended Correspondence analysis. They corresponded to (1) a coastal zone, with the highest mud percentage in sediments, (2) an intermediate zone, with moderate depth and dominated by hard substrates, (3) a back reef zone, with thick sand layers, and (4) a deep zone dominated by hard substrates. Relative distribution of the trophic groups varied according to the different zones and suggests distinct functional characteristics for the different benthic assemblages. From a biogeographic point of view, this study highlighted the richness of the Uvea Atoll lagoon in terms of benthic species and biomass, compared to other central Pacific atoll lagoons.

atolls

Diet of the Giant Toad, Bufo marinus (L.) in Fiji / by Alden D. Hinckley

Hinckley, A.D

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