564 research outputs found

    Letter, James Speed to Unknown, June 26, 1868

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    This handwritten letter, dated June 26, 1868, is written from James Speed to an unidentified recipient discussing how busy he\u27s been at the Kentucky Supreme Court, the flood of immigrants from the south, and post war situations in the south.https://scholarsjunction.msstate.edu/fvw-manuscripts-original-manuscripts/1193/thumbnail.jp

    Using quantum effects in nanomaterials for unique identification

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    Authentication and identification are critical to information security systems. Traditionally, these processes are achieved with the use of secret keys that are stored in electronic memories, or with difficult-to-clone systems (e.g., fingerprints or holograms). The persistent development of technology, however, means that the barrier to cloning such systems is becoming lower. Moreover, counterfeiting, device spoofing, and identity fraud are formidable problems in all markets. The ideal solution, therefore, would be to produce a nano-fingerprint from the atomic arrangement of a structure embedded within a device. By shrinking down to the atomic scale, the challenge of cloning the system becomes as difficult as possible, i.e., the density of secure information is maximized and the number of resources required to read the fingerprint is minimized

    Impacts on nontarget avian species from aerial meat baiting for feral pigs

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    Bait containing sodium fluoroacetate (1080) is widely used for the routine control of feral pigs in Australia. In Queensland, meat baits are popular in western and northern pastoral areas where they are readily accepted by feral pigs and can be distributed aerially. Field studies have indicated some levels of interference and consumption of baits by nontarget species and, based on toxicity data and the 1080 content of baits, many nontarget species (particularly birds and varanids) are potentially at risk through primary poisoning. While occasional deaths of species have been recorded, it remains unclear whether the level of mortality is sufficient to threaten the viability or ecological function of species. A series of field trials at Culgoa National Park in south-western Queensland was conducted to determine the effect of broadscale aerial baiting (1.7 baits per km2) on the density of nontarget avian species that may consume baits. Counts of susceptible bird species were conducted prior to and following aerial baiting, and on three nearby unbaited properties, in May and November 2011, and May 2012. A sample of baits was monitored with remote cameras in the November 2011 and May 2012 trials. Over the three baiting campaigns, there was no evidence of a population-level decline among the seven avian nontarget species that were monitored. Thirty per cent and 15% of baits monitored by remote cameras in the November 2011 and May 2012 trials were sampled by birds, varanids or other reptiles. These results support the continued use of 1080 meat baits for feral pig management in western Queensland and similar environs

    An analysis of the problems in attracting primary health professionals to Northeast Kansas

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    Call number: LD2668 .P7 1974 D3

    Opinion on the constitutional power of the military to try and execute the assassins of the president

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    The opinion, headed Attorney General\u27s Office, Washington, July --, 1965 , was addressed to the president [Andrew Johnson]. The cover contains the title and author within a scalloped text box.https://scholarsjunction.msstate.edu/fvw-pamphlets/2085/thumbnail.jp

    Drones vs helicopters for broad-scale animal surveys considerations for future use

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    Effective monitoring is key for effective wildlife management. Aerial surveys are a proven method for monitoring medium/large-sized mammals (e.g. macropods, feral pigs) in Australia's rangelands. However, conventional aircraft are noisy, expensive, and considered an occupational safety risk for biologists. UAS (unmanned aerial systems, or drones) may offer potential safety and efficiency gains, but need to be assessed against the current best-practice techniques. We tested the ability of a long-range, fixed-wing drone (300m agl, 65-93 km h-1 , thermal and colour imaging) to survey macropod populations and validated the results against those from conventional helicopter surveys (61m agl, 93 km h-1 , human observers). Four, 80-km long transects at Roma in southwestern Queensland were surveyed and the outputs analysed using line-transect distance sampling methods. The drone was able to survey over half (56%) of the 320 km transects, and over 448 km of survey flights in total. However, the drone technique was unable to distinguish between macropod species, recorded <13% of the macropod density observed during the helicopter survey, and required more flight and data processing time. Long-range drones clearly have potential for landscape-scale wildlife monitoring but results must match or exceed the conventional techniques. Future UAS applications to wildlife monitoring require a proven ability to identify animals, a similar or greater detection probability than conventional techniques, an efficient means of data collation/analysis, and comparable costs to current-best practice survey methods. We discuss the issues for potential users to consider to ensure that new survey technologies can be used to optimal benefit

    Management Of Wild Dogs and Deer in Peri-Urban Landscapes: Strategies for Safe Communities

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    Peri-urban areas are rapidly growing landscapes in many countries worldwide, including Australia. In these areas, where urban areas transition into bush or farmland, traditional pest management methods are largely unsuitable or need refining. There is also an increasing awareness of the impacts of pest animals in these unique landscapes; and the need to better manage natural resources, animal and plant production, and risks to human and animal health. Managing pest animals in the rapidly expanding peri-urban regions of eastern Australia requires tools and strategies markedly different to management in the rural landscape. The two priority pests for many peri-urban councils are wild dogs and deer. Wild dogs are widespread but are becoming increasingly visible in peri-urban areas, raising public awareness and concern. Their impacts range from killing livestock, injuring pets, harassing and injuring humans, being vectors of livestock and zoonotic disease, to preying on threatened wildlife. Peri-urban local governments have identified the need for better tools and strategies for control of wild dogs, red foxes and deer. Managers have had some initial successes in controlling wild dogs, but these approaches should be refined, expanded and tailored to other areas
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