Search the SPREP Catalogue

Advanced Search
Refine Search Results

Tags / Keywords

Language

Available Online

Tags / Keywords

Available Online

4 result(s) found.

Sort by

You searched for

  • Tags / Keywords casuarina equisetifolia
    X
  • Tags / Keywords ias-management piln management-action rhesus-macaque eradication puerto-rico
    X
clear
Rhesus macaque eradication to restore the ecological integrity of Desecheo National Wildlife Refuge, Puerto Rico.
Island and Ocean Ecosystems
Available Online

Campbell, K.J.

,

DeNicola, A.J.

,

Hall, T.J.

,

Hanson, C.C.

,

Keitt, B.S.

,

Silander, S.

2019
A non-native introduced population of rhesus macaques (Macaca mulatta) was targeted for removal from Desecheo Island (117 ha), Puerto Rico. Macaques were introduced in 1966 and contributed to several plant and animal extirpations. Since their release, three eradication campaigns were unsuccessful at removing the population; a fourth campaign that addressed potential causes for previous failures was declared successful in 2017. Key attributes that led to the success of this campaign included a robust partnership, adequate funding, and skilled ?eld sta? with a strong eradication ethic that followed a plan based on eradication theory. Furthermore, the incorporation of modern technology including strategic use of remote camera traps, monitoring of radio-collared Judas animals, night hunting with night vision and thermal ri?e scopes, and the use of high-power semi-automatic ? rearms made eradication feasible due to an increase in the probability of detection and likelihood of removal. Precision shooting and trapping were the primary methods used throughout the campaign. Long-term monitoring using camera traps and observed sign guided a management strategy that adapted over time in response to population density and structure. Lessons learnt include, 1) macaques quickly adjusted their behaviour in response to human presence and removal methods, 2) camera traps and thermal scopes provided high detection likelihood compared to other methods, and 3) the use of Judas animals and night hunting with thermal and night vision ri?e-scopes facilitated removals. The removal of macaques from Desecheo Island appears to be the ?rst introduced non-hominid primate eradication from an island.
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

,

Meyer, Jean-Yves

,

Pagad, Shyama

,

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.

www.sprep.org © 2021 - 2024. All rights reserved

Login