976 resultados para Jackson, Andrew, 1767-1845.
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Mode of access: Internet.
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Algernon Sydney identified as Benjamin Watkins Leigh in: Initials and pseudonyms / William Cushing. Waltham, Mass. : Mark Press, 1963.
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Louaillier was arrested in March, 1815, on account of his opposition to some of General Jackson's military measures. The present pamphlet is a defence of the writer's conduct and an attack of Jackson's presidential candidacy.
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Mode of access: Internet.
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Master microform held by: LCP.
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Van Buren was nominated as minister to Great Britain. This pamphlet contains The voice of New York, proceedings of a meeting of Republican members of the Legislature, Feb. 3, 1832, with remarks of N.P. Tallmadge; Great public meeting in the city of Albany, Feb. 4, 1832, with remarks of Gen Dix and B.F. Butler; Remarks of Webster, W.L. Marcy, S. Smith, J. Forsyth, Clay and Brown in the U. S. Senate on the Van Buren nomination; Correspondence between the Republican members of the New York Legislature and Pres. Jackson; Communication of S. Smith to the National intelligencer, Feb. 12, 1832.
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National Republican Ticket, including electors for New Hampshire, on verso of title page.
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Attributed to Updike in William Cushing's Initials and pseudonyms ..., Waltham, Mass., 1964, v.1, p.164.
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"Abbreviations and books quoted": p. xi-xiv.
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This paper examines whether managers strategically time their earnings forecasts (MEFs) as litigation risk increases. We find as litigation risk increases, the propensity to release a delayed forecast until after the market is closed (AMC) or a Friday decreases but not proportionally more for bad news than for good news. Host costly this behaviour is to investors is questionable as share price returns do not reveal any under-reaction to strategically timed bad news MEF released AMC. We also find evidence consistent with managers timing their MEFs during a natural no-trading period to better disseminate information.
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Summary
1: Managing populations of predators and their prey to achieve conservation or resource management goals is usually technically challenging and frequently socially controversial. This is true even in the simplest ecosystems but can be made much worse when predator–prey relationships are in?uenced by complex interactions, such as biological invasions, population trends or animal movements.
2: Lough Neagh in Northern Ireland is a European stronghold for pollan Coregonus autumnalis, a coregonine ?sh and for river lampreyLampetra ?uviatilis, which feeds parasitically as an adult. Both species are of high conservation importance. Lampreys are known to consume pollan but detailed knowledge of their interactions is scant. While pollan is well known to be a landlocked species in Ireland, the life cycle of normally anadromous river lamprey in Lough Neagh has been unclear. The Lough is also a highly perturbed ecosystem, supporting several invasive, non-native ?sh species that have the potential to in?uence lamprey–pollan interactions.
3: We applied stable isotope techniques to resolve both the movement patterns of lamprey and trophic interactions in this complex community. Recognizing that stable isotope studies are often hampered by high-levels of variability and uncertainty in the systems of interest, we employed novel Bayesian mixing models, which incorporate variability and uncertainty.
4: Stable isotope analyses identi?ed troutSalmo trutta and non-native breamAbramis brama as the main items in lamprey diet. Pollan only represented a major food source for lamprey between May and July.
5: Stable isotope ratios of carbon in tissues from 71 adult lamprey showed no evidence of marine carbon sources, strongly suggesting that Lough Neagh is host to a highly unusual, nonanadromous freshwater population. This ?nding marks out the Lough’s lamprey population as of particular scienti?c interest and enhances the conservation signi?cance of this feature of the Lough.
6: Synthesis and applications.Our Bayesian isotopic mixing models illustrate an unusual pattern of animal movement, enhancing conservation interest in an already threatened population. We have also revealed a complex relationship between lamprey and their food species that is suggestive of hyperpredation, whereby non-native species may sustain high lamprey populations that may in turn be detrimental to native pollan.Long-term conservation of lamprey and pollan in this system is likely to require management intervention, but in light of this exceptional complexity, no simple management options are currently supported. Conservation plans will require better characterization ofpopulation-level interactions and simulation modelling of interventions. More generally, our study demonstrates the importance of considering a full range of possible trophic interactions, particularly in complex ecosystems, and highlights Bayesian isotopic mixing models as powerful tools in resolving trophic relationships.
Key-words: Bayesian, conservation dilemma, Coregonus autumnalis, hyperpredation, Lampetra ?uviatilis, pollan, potamodromous, River lamprey, stable isotope analysis in R, stable isotope