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Destination Revealed: Post-Nesting Migrations of Hawksbill Turtles (Eretmochelys imbricata) from Moso Island, Republic of Vanuatu.
Island and Ocean Ecosystems
Available Online

Balazs, George H.

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Hickey, Francis R.

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Jim, Laura M. R

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Rice, Marc R.

2022
Hawksbill turtle (Eretmochelys imbricata) nesting populations and behaviors in the Republic of Vanuatu are poorly understood. In an effort to evaluate their internesting home range, post-nesting migration and foraging habitat home ranges, 7 post-nesting hawksbill turtles were satellite tagged at Moso Island, Republic of Vanuatu between January 2018 and January 2020. The mean internesting home ranges of two turtles was 0.8 km2 proximal to their nesting beach indicating possible value in establishing a marine protected area along the north coast of Moso Island during the nesting season. The Great Barrier Reef, Australia and New Caledonia were the two major post-nesting destinations. Hawksbill turtles are legally protected by law in both countries. Foraging home ranges for 4 hawksbill turtles in New Caledonia and Aneityum Island, Vanuatu ranged from 1.7 to 28.9 km2. It will be important to continue this study to better determine the total area of habitat utilization of the internesting hawksbills at Moso Island in order to facilitate the implementation of community-based conservation measures and to illuminate home range location and size.
A technical assessment of the current agricultural conditions of Angaur Island Palau: with recommendations for the sustainable use of the island’s natural resources.
BRB
Available Online

Bishop, Robert V

,

McGregor, Andrew M

2011
Angaur is a 8.4 sq. km island located (654' N, 134 09' E) in the southwestern Palau Islands. The island makes up one of the Republic of Palau’s 16 states. Angaur has suffered considerable land degradation due to past phosphate mining as well as military action during WWII. Land degradation problems in recent years have been compounded by El Niño–Southern Oscillation (ENSO) high tides exacerbated by a gradual increase in average sea level attributed to climate change.
Invasive alien species on islands: impacts, distribution, interactions and management
BRB
Available Online

Holmes, Nick D

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Meyer, Jean-Yves

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Pagad, Shyama

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Russell, James C.

2017
Invasive alien species (IASs) on islands have broad impacts across biodiversity, agriculture, economy, health and culture, which tend to be stronger than on continents. Across small-island developing states (SIDSs), although only a small number of IASs are widely distributed, many more, including those with greatest impact, are found on only a small number of islands. Patterns of island invasion are not consistent across SIDS geographic regions, with differences attributable to correlated patterns in island biogeography and human development. We identify 15 of the most globally prevalent IASs on islands. IAS impacts on islands are exacerbated through interactions with a number of other global change threats, including over-exploitation, agricultural intensification, urban development and climate change. Biosecurity is critical in preventing IAS invasion of islands. Eradication of IASs on islands is possible at early stages of invasion, but otherwise is largely restricted to invasive mammals, or otherwise control is the only option. Future directions in IAS management and research on islands must consider IASs within a broader portfolio of threats to species, ecosystems and people’s livelihoods on islands. We advocate for stronger collaborations among island countries and territories faced with the same IASs in similar socio-ecological environments.
The impact of Hurricane Frances (2004) on the invasive Australian pine (Casuarina equisetifolia L.) on San Salvador Island, the Bahamas
BRB
Available Online

Gamble, Douglas W.

,

Rodgers, John C.

2008
On September 2, 2004 Hurricane Frances (Category 3) passed directly over San Salvador Island, The Bahamas. This event offered the opportunity to gather baseline data regarding the impact of hurricanes on populations of the invasive Australian pine (Casuarina equisettifolia L.) in the Bahamas. Results of vegetation surveys within both forest stands and beach environments suggest that the overall impact of this hurricane was minimal. Less than 13% of forest individuals and 17% of beach individuals surveyed were damaged, and the majority of damage was restricted to just one location for both the forest and beach study sites. The most common damage type within the forest sites was “snapped” trees (8%) and this primarily occurred within trees ranging in size from 7–12 cm in diameter. Browning of the entire foliage was the most common damage type within the beach sites (9.3%) but this damage type only occurred within tree sizes less than or equal to 90 cm in height. Thus it appears that Hurricane Frances had a negligible effect on Australian pine populations as a whole on San Salvador Island and that this disturbance event will probably not limit future population expansion. It is suggested that more powerful or more frequent hurricanes would be needed to significantly affect Australian pine populations on San Salvador Island. Similar patterns in damage should be expected with comparable hurricane events on other islands in the Bahamas and for other tropical beaches in which this species has invaded.

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