549 research outputs found

    Differential Black Walnut Growth on a Recommended Soil Map Unit: Investigation of Related Soil Chemical and Physical Properties

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    Black walnut (Juglans nigra L.) is one of the best known and most valuable trees in Kentucky. However, due to its high value, the species has been aggressively harvested from natural stands, creating a limited supply of quality black walnut trees. Many landowners recognize this as an investment opportunity and have placed small tracts of unused land into black walnut production

    Kentucky Forestry Economic Impact Report 2015

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    Forests cover nearly one-half of Kentucky and provide a wide range of both economic and non-economic benefits to the Commonwealth. The primary economic contributor is derived from the utilization of timber and wood resources. Analysis of Kentucky’s forest and wood industries in 2015 indicated an estimated direct economic impact of 9.1billion(up9percentfrom2014).Theseindustriesemployedover28,000individuals.Totaleconomicimpactsin2015wereestimatedabove9.1 billion (up 9 percent from 2014). These industries employed over 28,000 individuals. Total economic impacts in 2015 were estimated above 14 billion for the first time (14.6billion)withatotalemploymentof62,445.Thisincreaseinbothdirectandtotalimpactshasbeenongoingsince2012witha14.6 billion) with a total employment of 62,445. This increase in both direct and total impacts has been on-going since 2012 with a 2.7 billion increase over this period as the wood industry has continued to recover from the recent recession. The economic impact was generated from forests located in all 120 counties of the Commonwealth providing resources harvested by over 1,200 logging firms and processed at 713 facilities located in 109 counties. These industries include sawmills, pulp and paper mills, and a wide variety of secondary producers such as cabinet, barrel, and flooring manufacturers. The 2015 sawlog production estimate of 762 million board feet indicates that Kentucky remains one of the leading producers of hardwood forest products in the U.S. Analysis shows that each acre of woodland harvested in 2015 was responsible for producing 23,965indirectrevenuesandatotaleconomiccontributionof23,965 in direct revenues and a total economic contribution of 39,743. Delivered log prices remained stable in 2015 while increased prices were paid for stave logs used for barrel production continuing a recent trend. This report highlights the importance of the economic contribution of the forestry sector to both rural and urban Kentucky in 2015

    Kentucky Forestry Economic Impact Report 2013-2014

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    Forests are a valuable part of Kentucky’s landscape providing signifi­cant resources and opportunities benefi­ting the Commonwealth. One important and veri­fiable bene­fit is the economic contributions of Kentucky’s forest and wood industries. Analysis of these industries indicated a total economic impact of $12.8 billion and 59,000 jobs in 2013. Kentucky is one of the leading producers of hardwood forest products in the south and exports wood products across the nation and the world. This economic impact was generated from forests located in all 120 counties of the Commonwealth providing resources harvested by over 1,800 logging ­firms and processed at 703 facilities located in 109 counties. These industries include: sawmills, pulp and paper mills, and a wide variety of secondary producers such as cabinet, barrel, and flooring manufacturers. The Kentucky forest industry improved signifi­cantly in 2013 and most sectors and commodities performed better than expected. 2013 saw a reversal of sluggish delivered log prices experienced in 2012 with overall statewide average prices increasing by 11.4% compared to 2012. Analysis indicates that Kentucky will remain the leading producer of hardwood sawlogs in the South and one of the top three in the nation. This report highlights the economic contribution of the forestry sector to Kentucky in 2013 and provides insights to the sectors predicted performance in 2014

    Kentucky Forestry Economic Impact Report 2012-2013

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    Kentucky plays a pivotal role in providing forest products to the U.S. and the forestry sector is a major economic force in the Commonwealth providing over 51,000 jobs and $9.9 billion to Kentucky’s economy in 2012. This economic input was generated from 708 facilities located in 109 of Kentucky’s 120 counties including a wide range of industries from logging and sawmills to cabinet manufacturers and paper and producers. In 2012 Kentucky was one of the largest producers of hardwood timber with over 590 million board feet of sawlogs and over 900,000 tons of pulpwood harvested from private family-owned forests. This report highlights the economic contribution of the forestry sector to Kentucky in 2012 and provides insights to the sectors predicted performance in 2013

    Kentucky Forestry Economic Contribution Report 2016

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    Forests play a pivotal role in Kentucky’s economy and in the lives of the citizens of our state. Forests are the single most dominant land type, covering nearly one-half of the state, providing a significant range of both economic and non-economic benefits to the Commonwealth. The majority of the economic contribution is derived from the harvesting of timber and processing of the wood resource. Analysis of Kentucky’s forest and wood industries in 2016 indicated an estimated direct economic contribution of 9billion(downonepercentfrom2015).Theseindustriesemployedover27,700individuals.Totaleconomiccontributionsin2016wereestimatedtobe9 billion (down one percent from 2015). These industries employed over 27,700 individuals. Total economic contributions in 2016 were estimated to be 14.4 billion with a total employment of 60,225. The 2016 forest industry contributions were mixed compared to the previous year with the biggest declines coming from paper converters and the pulp and paper sub-sector, the latter can be traced to the closing of the Verso mill in western Kentucky. The economic contribution was generated from timber resources in all 120 counties of the Commonwealth, harvested by over 1,200 logging firms and processed at 722 facilities located in 110 counties. These industries include sawmills, pulp and paper mills, and a wide variety of secondary producers such as cabinet, barrel, and flooring manufacturers. The 2016 sawlog production estimate of 746 million board feet secures Kentucky’s place as one of the leading producers of hardwood forest products in the U.S. Analysis shows that each acre of woodland harvested in 2016 was responsible for producing a direct contribution of $21,763. Delivered log prices remained relatively stable in 2016 with strong prices for stave logs used for barrel production which continues a recent trend. This report highlights the economic contribution of the Kentucky forestry sector in both rural and urban Kentucky in 2016

    Dosage of Sulfadoxine–Pyrimethamine and Risk of Low Birth Weight in a Cohort of Zambian Pregnant Women in a Low Malaria Prevalence Region

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    In Lusaka, Zambia, where malaria prevalence is low, national guidelines continue to recommend that all pregnant women receive sulfadoxine–pyrimethamine (SP) for malaria prophylaxis monthly at every scheduled antenatal care visit after 16 weeks of gestation. Human immunodeficiency virus (HIV)–positive women should receive co-trimoxazole prophylaxis for HIV and not SP, but many still receive SP. We sought to determine whether increased dosage of SP is still associated with a reduced risk of low birth weight (LBW) in an area where malaria transmission is low. Our secondary objective was to determine whether any association between SP and LBW is modified by receipt of antiretroviral therapy (ART). We analyzed data routinely collected from a cohort of HIV-positive pregnant women with singleton births in Lusaka, Zambia, between February 2006 and December 2012. We used a log-Poisson model to estimate the risk of LBW by dosage of SP and to determine whether the association between SP and LBW varied by receipt of ART. Risk of LBW declined as the number of doses increased and appeared lowest among women who received three doses (adjusted risk ratio [ARR] = 0.78; 95% confidence interval [CI] = 0.64–0.95). In addition, women receiving combination ART had a higher risk of delivering an LBW infant compared with women receiving no treatment or prophylaxis (ARR = 1.18; 95% CI = 1.09–1.28), but this risk was attenuated among women who were receiving SP (risk ratio = 1.09; 95% CI = 0.99–1.21). SP was associated with a reduced risk of LBW in HIV-positive women, including those receiving ART, in a low malaria prevalence region

    Health Facility Characteristics and Their Relationship to Coverage of PMTCT of HIV Services across Four African Countries: The PEARL Study

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    Background: Health facility characteristics associated with effective prevention of mother-to-child transmission of HIV (PMTCT) coverage in sub-Saharan are poorly understood. Methodology/Principal Findings: We conducted surveys in health facilities with active PMTCT services in Cameroon, Cote d’Ivoire, South Africa, and Zambia. Data was compiled via direct observation and exit interviews. We constructed composite scores to describe provision of PMTCT services across seven topical areas: antenatal quality, PMTCT quality, supplies available, patient satisfaction, patient understanding of medication, and infrastructure quality. Pearson correlations and Generalized Estimating Equations (GEE) to account for clustering of facilities within countries were used to evaluate the relationship between the composite scores, total time of visit and select individual variables with PMTCT coverage among women delivering. Between July 2008 and May 2009, we collected data from 32 facilities; 78 % were managed by the government health system. An opt-out approach for HIV testing was used in 100 % of facilities in Zambia, 63 % in Cameroon, and none in Côte d’Ivoire or South Africa. Using Pearson correlations, PMTCT coverage (median of 55%, (IQR: 33–68) was correlated with PMTCT quality score (rho = 0.51; p = 0.003); infrastructure quality score (rho = 0.43; p = 0.017); time spent at clinic (rho = 0.47

    Towards a Mathematical Theory of Cortical Micro-circuits

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    The theoretical setting of hierarchical Bayesian inference is gaining acceptance as a framework for understanding cortical computation. In this paper, we describe how Bayesian belief propagation in a spatio-temporal hierarchical model, called Hierarchical Temporal Memory (HTM), can lead to a mathematical model for cortical circuits. An HTM node is abstracted using a coincidence detector and a mixture of Markov chains. Bayesian belief propagation equations for such an HTM node define a set of functional constraints for a neuronal implementation. Anatomical data provide a contrasting set of organizational constraints. The combination of these two constraints suggests a theoretically derived interpretation for many anatomical and physiological features and predicts several others. We describe the pattern recognition capabilities of HTM networks and demonstrate the application of the derived circuits for modeling the subjective contour effect. We also discuss how the theory and the circuit can be extended to explain cortical features that are not explained by the current model and describe testable predictions that can be derived from the model

    Penilaian Kinerja Keuangan Koperasi di Kabupaten Pelalawan

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    This paper describe development and financial performance of cooperative in District Pelalawan among 2007 - 2008. Studies on primary and secondary cooperative in 12 sub-districts. Method in this stady use performance measuring of productivity, efficiency, growth, liquidity, and solvability of cooperative. Productivity of cooperative in Pelalawan was highly but efficiency still low. Profit and income were highly, even liquidity of cooperative very high, and solvability was good
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