An investigation in concentrating a certain tailing on Wilfley tables

The object of this investigation was to determine the adaptibility sic to concentration on a Wilfley table of a certain tailing carrying silver, lead, and zinc. The material was from the tailing dump of the Red Elephant Mine, operated by the Danaher Mining and Milling Company, of Hailey, Idaho, who are now considering treating this material if it can be done economically --page 2

Electrocatalytic Activity and Stability Enhancement through Preferential Deposition of Phosphide on Carbide

© 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim Phosphides and carbides are among the most promising families of materials based on earth-abundant elements for renewable energy conversion and storage technologies such as electrochemical water splitting, batteries, and capacitors. Nickel phosphide and molybdenum carbide in particular have been extensively investigated for electrochemical water splitting. However, a composite of the two compounds has not been explored. Here, we demonstrate preferential deposition of nickel phosphide on molybdenum carbide in the presence of carbon by using a hydrothermal synthesis method. We employ the hydrogen evolution reaction in acid and base to analyze the catalytic activity of phosphide-deposited carbide. The composite material also shows superior electrochemical stability in comparison to unsupported phosphide. We anticipate that the enhanced electrochemical activity and stability of carbide deposited with phosphide will stimulate investigations into the preparation of other carbide–phosphide composite materials

Habitat Selection by Critically Endangered Florida Panthers across the Diel Period: Implications for Land Management and Conservation

Decisions regarding landscape management, restoration, and land acquisition typically depend on land managers’ interpretation of how wildlife selects habitat. Such assessments are particularly important for umbrella species like the endangered Florida panther (Puma concolor coryi), whose survival requires vast wildlands. Some interpretations of habitat selection by panthers have been criticized for using only morning locations in defining habitat use. We assessed habitat selection using a Euclidean distance analysis (EDA) and location data collected throughout the diel period from GPS collars deployed on 20 independent Florida panthers. We corroborated aspects of earlier analyses by demonstrating selection of forested habitats by panthers. We also confirmed selection of open habitats (i.e., marsh–shrub–swamps, prairie–grasslands), a novel result. Habitat selection did not vary by sex or season but varied by time of day. Panthers were located closer to wetland forests in the daytime and used prairie–grasslands more at night. Our assessment of the effect of patch size on selection of forest habitat revealed that panthers were not solely reliant on large patches (\u3e 500 ha) but utilized patches of all sizes (≤ 1 ha, \u3e 5–10 ha, \u3e 1000 ha, etc.). Our results emphasize the importance of collecting panther location data throughout the diel period when assessing habitat selection. Conservation strategies for panthers should consider a mosaic of habitats, a methodology that will protect other sensitive flora and fauna in South Florida

Evaluación de la conectividad ecológica en el noroeste de Paraguay: el yaguareté y el puma como modelos

Para conservar estas especies y sus roles funcionales en la región Occidental de Paraguay es fundamental comprender cómo perciben y utilizan el paisaje y determinar cómo las áreas protegidas de la región, dentro y fuera de Paraguay, están ecológicamente conectadas.CONACYT – Consejo Nacional de Ciencia y TecnologíaPROCIENCI

Heavy metal distribution in some French forest soils: evidence for atmospheric contamination

This study is one of very few dealing with the distribution and the origin of heavy metals in French soils from a priori non-polluted forest areas. The abundance of heavy metals measured in these soils decreases as follows: Cr) Zn)Pb)Ni)Cu)Co4Cd. Total concentrations of Pb, Cr and Ni in some soils exceed the European thresholds for non-polluted soils and even the French association of normalization critical values for sludge spreading. The lowest heavy metal contents are observed in acid soils while the highest concentrations are in the calcaric cambisol and in the mollic andosol, which is rather scarce as compared with the other French forest soils. With the exception of the podzol, Cr and Ni concentrations increase with depth in all soil profiles. The distribution pattern of Co, Cu, Zn depends on the soil characteristics. In some acid soils, however, Cu and Zn decrease with depth. Pb and Cd are accumulated in the upper soil horizons. Heavy metals accumulate in deep soil horizons in relation to important clay content in the dystric planosol and stagnic luvisol. The concentration of each heavy metal is always controlled by different parameters (soil pH, iron and aluminum oxide content, clay content, organic matter and cation exchange capacity), which are heavy metal specific. This study highlights the metal-trapping character of andosol and calcaric soil, the weak heavy metal retention in acid soils, the leaching and trapping character in leached clayed soils, and the migration of heavy metals in the podzol. Pb and Cr concentrations indicate a significant enrichment in surface horizons from various soils in areas which receive significant acid atmospheric pollution. Particularly, the highest Pb content is observed in a soil located in the N-NE part of France. Lead isotope ratios measured in the cambic podzol and the calcaric cambisol, exhibit the importance of the anthropogenic sources and particularly the influence of global atmospheric inputs from leaded gasoline compared to regional and local industrial emissions. The anthropogenic Pb contribution is estimated to 83, 30 and 11%, respectively, for surface, intermediate and deep horizons of the cambic podzol located in the northern part of France, and to 68% in surface horizon of the calcaric cambisol located in the Alps

Learning Disability and Northern Ireland: Achieving Proportionate Universalism through Administrative Data Research

Background The Department of Health, Social Services & Public Safety’s policy document ‘Fit and Well – Changing Lives (2012-2022)’ indicates that people with a learning disability (LD) represent one of the most vulnerable and disadvantaged groups in Northern Ireland (NI). Individuals with a LD are more likely to experience major illnesses, to develop them earlier, and die of them sooner, than the general population. Furthermore, the LD population is less likely to get some of the evidence-based annual health checks and treatments they need, and continue to face real barriers in accessing services. At present there is no central register detailing the actual number of individuals with LD in NI. Study aims The study is based on research funded by the ESRC SDAI (ES/P002293/1). It involves the analysis of Northern Ireland Mortality Study (NIMS) data to: • Establish the socio-demographic characteristics of the LD population; • Profile morbidity and comorbidity of health care problems among individuals with LD; and • Explore the causes of death among the NI LD community. Results and Conclusions Preliminary study findings will be available by June 2018. Findings will be of particular interest to a range of government departments, trusts and learning disability support groups

Occurrence of vagrant leopard seals, Hydrurga leptonyx, along the South African coast

Leopard seals inhabit the pack-ice rim of Antarctica, and they regularly haul out on Antarctic and Subantarctic islands. Occasionally, vagrants are sighted further north in South America, Australia, New Zealand, and very rarely in southern Africa and Oceania. Here we report on an observation made on the 15th of July 2010 of a single 3-m-long juvenile leopard seal at ‘Die Dam’in theWestern Cape, South Africa (34°45.772’S, 19°42.582’E). We searched historical records and found details of four observations of leopard seals along the coast of South Africa since 1946. All of these sightings were of juvenile animals. The relative scarcity of observations is a likely reflection of the great distance from Antarctica and the Subantarctic to South Africa.http://www.sawma.co.za/am2013ab201