Open Access. Powered by Scholars. Published by Universities.®
Physical Sciences and Mathematics Commons™
Open Access. Powered by Scholars. Published by Universities.®
Articles 1 - 8 of 8
Full-Text Articles in Physical Sciences and Mathematics
The Role Of Early Detection And Rapid Response In Thwarting Amphibian And Reptile Introductions In Florida, Todd S. Campbell
The Role Of Early Detection And Rapid Response In Thwarting Amphibian And Reptile Introductions In Florida, Todd S. Campbell
Managing Vertebrate Invasive Species
Prevention is the best policy for dealing with introduced species. However, biologists often spend an inordinate amount of time studying their spread and impacts rather than focusing on what should be done to thwart their establishment in the first place. Amphibian and reptile introductions are reaching epidemic proportions in Florida, largely due to irresponsible behavior by pet owners and the pet industry, but also due to ineffective preventive policies and actions. Prevention of additional amphibian and reptile introductions in Florida will require a comprehensive approach involving legal restrictions of certain problematic species, a massive public education effort, and a well-funded …
Pest Eradication Technology – The Critical Partner To Pest Exclusion Technology: The Maungatautari Experience, Cam Speedy, Tim Day, John Innes
Pest Eradication Technology – The Critical Partner To Pest Exclusion Technology: The Maungatautari Experience, Cam Speedy, Tim Day, John Innes
Managing Vertebrate Invasive Species
Invasive pest eradication is an increasingly viable management option for conservation and wildlife managers all over the world. The list of successful rodent eradications from isolated islands continues to grow globally. Now, with the development of effective pest exclusion technologies, the opportunities for eradicating multiple species of vertebrate pests from progressively larger fragments of habitat in mainland situations are also increasing. Attempts at eradicating up to fifteen separate species of pest mammal from indigenous forest fragments protected by Xcluder™ pest proof fencing have been made on the main islands of New Zealand. These include various assemblages of multiple species of …
Management Of Invasive Vertebrates In The United States: An Overview, Gary W. Witmer, Patrick W. Burke, Will C. Pitt, Michael L. Avery
Management Of Invasive Vertebrates In The United States: An Overview, Gary W. Witmer, Patrick W. Burke, Will C. Pitt, Michael L. Avery
Managing Vertebrate Invasive Species
At least 161 introduced/invasive vertebrates have become established in the United States and its territories, including at least 81 mammalian, 94 avian, and 86 reptilian/amphibian species. Particularly problematic species include feral cats and dogs; feral pigs; commensal rats and mice; starlings, pigeons, and house sparrows; and bullfrogs, brown treesnakes, and coqui frogs. We briefly review these introductions and the types of damage they cause. We review the basic types of methods used for control or eradication of each taxonomic group, including physical, chemical, biological, and cultural methods. We also discuss some of the challenges in managing these species, including issues …
The Path To Eradication Of The Gambian Giant Pouched Rat In Florida, Richard Engeman, Gary W. Witmer, Jean B. Bourassa, John W. Woolard, Bernice Constantin, Parker T. Hall, Scott Hardin, Neil D. Perry
The Path To Eradication Of The Gambian Giant Pouched Rat In Florida, Richard Engeman, Gary W. Witmer, Jean B. Bourassa, John W. Woolard, Bernice Constantin, Parker T. Hall, Scott Hardin, Neil D. Perry
Managing Vertebrate Invasive Species
A thriving population of Gambian giant pouched rats became established on Grassy Key, a 550-ha island in Florida, following escape(s) from an exotic pet breeder. After existence of the population was verified, computer models indicated that Gambian giant pouched rats could successfully invade a large portion of North America if they reached the mainland. This largest of rat species is highly prolific, and its dispersal to the mainland could result in substantial negative impacts to agriculture, environment, and wildlife. Additionally, Gambian giant pouched rats are known vectors of a variety of diseases transmissible to humans and livestock. The first action …
Multiple-Species Exclusion Fencing And Technology For Mainland Sites, Tim Day, Roger Macgibbon
Multiple-Species Exclusion Fencing And Technology For Mainland Sites, Tim Day, Roger Macgibbon
Managing Vertebrate Invasive Species
Eradication of invasive vertebrate pests from increasingly large islands has become an important wildlife management and conservation tool internationally. Success on islands has prompted attempts to exclude and eradicate vertebrate pests from mainland sites. Early mainland exclusion efforts often failed due to ineffective or poorly maintained barriers to pest reinvasion. Over the last 10 years, we have conducted extensive experiments to design effective pest exclusion technology. We have determined the behavior and physical abilities of many of the vertebrate pest species found in New Zealand and other parts of the world. Pest species have been tested against a variety of …
Eradicating House Mice From Islands: Successes, Failures And The Way Forward, James W. B. Mackay, James C. Russell, Elaine C. Murphy
Eradicating House Mice From Islands: Successes, Failures And The Way Forward, James W. B. Mackay, James C. Russell, Elaine C. Murphy
Managing Vertebrate Invasive Species
The house mouse (Mus musculus) has been spread throughout the world by the actions of humans. It causes severe impacts to native ecosystems, especially in areas where there are no native mammals. It is possible to eradicate mice from islands but they are harder to eradicate than rats. A review of reported eradication attempts found that 17 attempts on 45 islands worldwide failed; a failure rate of 38%. The effect of operational factors on eradication success was examined, but no significant model was formed. Brodifacoum is the most widely used toxicant and has a 49% success rate. Mouse …
Reducing Risk And Enhancing Efficiency In Non-Native Vertebrate Removal Efforts On Islands: A 25 Year Multi-Taxa Retrospective From Santa Cruz Island, California, Scott A. Morrison
Reducing Risk And Enhancing Efficiency In Non-Native Vertebrate Removal Efforts On Islands: A 25 Year Multi-Taxa Retrospective From Santa Cruz Island, California, Scott A. Morrison
Managing Vertebrate Invasive Species
Effective conservation of native biodiversity on islands often requires the eradication of destructive non-native vertebrates. There are risks in conducting an eradication project, however, including the risk that the effort will fail to remove all the individuals, and the risk that the removal of the species will trigger ecological cascades with unanticipated and undesired consequences. Managers must plan to reduce such risks, and also maximize the return on investment of the limited conservation resources available for restoration programs. I discuss four vertebrate removal projects implemented on Santa Cruz Island, CA, over the past 25 years: sheep, golden eagles, pigs, and …
Dna Detection Of Foxes To Prevent Establishment In Tasmania, Stephen D. Sarre, Rachel Walsch, Niccy Aitken, Alison Foster, Nick Mooney
Dna Detection Of Foxes To Prevent Establishment In Tasmania, Stephen D. Sarre, Rachel Walsch, Niccy Aitken, Alison Foster, Nick Mooney
Managing Vertebrate Invasive Species
The red fox (Vulpes vulpes) has wreaked havoc on mainland Australia’s environment and agricultural production since its introduction in the 1870s. Over the same period, the southern Australian island State of Tasmania has remained virtually fox-free, allowing its unique biodiversity to remain relatively pristine. Recently, an unknown number of foxes were deliberately or accidentally introduced to Tasmania. Some of those animals and possibly their progeny now live in the wild in Tasmania. Finding foxes in a state the size of Tasmania presents special problems for wildlife managers, but is essential to prevent their establishment in this stronghold for …