منابع مشابه
Should we add "xeno" to "transplantation"?
Proponents of xenotransplantation hope that it will provide organs to fill the gap between the demand for and supply of organs for transplant. The scientific obstacles to transplanting animal organs into humans are daunting, as are the moral, political, and policy issues. Among them are concerns about animal rights and welfare, patient acceptance and informed consent, and broader public health ...
متن کاملShould we add visual acuity ratios to referral criteria for potential cerebral visual impairment?
PURPOSE To determine whether the assessment of visual acuity ratios might improve the referral of children with (sub)normal visual acuity but at risk of cerebral visual impairment. METHODS In an exploratory study, we assessed visual acuity, crowding ratio and the ratios between grating acuity (Teller Acuity Cards-II) and optotype acuity (Cambridge Crowding Cards) in 60 typically developing sc...
متن کاملIsland invasives: eradication and management
Stable isotope analysis has increasingly been used to answer ecological questions. However, despite their potential, stable isotopes have rarely been used to assist with managing invasions. Here we discuss some of the principles behind the use of stable isotope analyses. We also review how stable isotopes can aid our understanding of the threats posed by invasive species, and the mechanisms by ...
متن کاملIsland invasives: eradication and management
Island pest eradications almost always involve killing, often of large numbers of animals. Future eradications must pay more attention to the issues this raises, not only because the issues are important in themselves but also because eradications sit within a wider context of increasing welfare and ethical concerns about animal pest management. The welfare issues include the pain and suffering...
متن کاملIsland invasives: eradication and management
Eradications of multiple target species challenge managers, especially those seeking to conduct simultaneous eradication programmes. Macquarie Island presents additional challenges because of its remoteness, large size, terrain, weather, and mix of target species. Long lead times for planning are required, reflecting the scale and complexity of logistics and regulatory requirements. Many compon...
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ژورنال
عنوان ژورنال: Nature
سال: 2016
ISSN: 0028-0836,1476-4687
DOI: 10.1038/533321c