1,721,043 research outputs found

    The Importance of Soil Health for Residential Landscapes

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    This 6-page publication’s purpose is to educate master gardeners and homeowners about the principles of soil health as well as practices that harm or nurture soil health at the residential scale. It also includes a description of the soil food web and the microorganisms that comprise it. This new publication of the UF/IFAS Department of Soil and Water Sciences was written by Sally Scalera, Alexander J. Reisinger, and Mary Lusk. http://edis.ifas.ufl.edu/ss66

    The Importance of Soil Health for Residential Landscapes

    No full text
    This 6-page publication’s purpose is to educate master gardeners and homeowners about the principles of soil health as well as practices that harm or nurture soil health at the residential scale. It also includes a description of the soil food web and the microorganisms that comprise it. This new publication of the UF/IFAS Department of Soil and Water Sciences was written by Sally Scalera, Alexander J. Reisinger, and Mary Lusk. http://edis.ifas.ufl.edu/ss66

    Design, Construction, and Installation of a Drainage Lysimeter for Use on Sandy, Well-Drained Soils under Turfgrass

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    Using lysimeters to collect water quality samples can provide a better understanding of nutrient or other solute migration below the surface, which can inform landscape management for environmental protection. This 6-page publication presents the materials, construction, installation, and management of a specific drainage lysimeter design in a step-by-step format. Written by Jovana Radovanovic, Eban Z. Bean, and Alexander J. Reisinger, and published by the UF/IFAS Department of Agricultural and Biological Engineering, February 2021

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    Variations on the Author

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    “Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship

    Appropriate Similarity Measures for Author Cocitation Analysis

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    We provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis

    Contaminants in the Urban Environment: Microplastics

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    This publication is part of a series titled Contaminants in the Urban Environment. This series is intended to give state and local government officials, soil and water scientists, consulting engineers, Extension agents, and citizens (1) a basic understanding of the occurrence, toxic effects and source of various contaminants in the environment and (2) provide guidance on ways to protect human and environmental health. This 7-page fact sheet is a minor revision written by Maia McGuire, Yun-Ya Yang, Ignacio A. Rodriguez-Jorquera, Gurpal S. Toor, and Alexander J. Reisinger, and published by the UF/IFAS Department of Soil and Water Sciences, January 2019. SL435/SS649: Contaminants in the Urban Environment: Microplastics (ufl.edu

    Stormwater Pond Management: What You Need to Know about Aeration

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    This new 6-page document is intended to provide Floridians and their communities with information on a specific management practice in stormwater ponds: the use of fountains and other aeration approaches. These practices may provide opportunities both to improve water quality within the pond and protect downstream water quality. Specifically, this document gives basic information on fountains and the pros and cons of fountain installation and use. In addition, we provide information for pond managers or community decision makers on how to best manage ponds for effective pollutant removal in the pond and downstream water quality protection. Written by Samantha T. Howley, Steven P. Hohman, and Alexander J. Reisinger, and published by the UF/IFAS Department of Soil and Water Sciences. https://edis.ifas.ufl.edu/ss69

    Contaminants in the Urban Environment: Microplastics

    No full text
    This publication is part of a series titled Contaminants in the Urban Environment. This series is intended to give state and local government officials, soil and water scientists, consulting engineers, Extension agents, and citizens (1) a basic understanding of the occurrence, toxic effects and source of various contaminants in the environment and (2) provide guidance on ways to protect human and environmental health. This 7-page fact sheet is a minor revision written by Maia McGuire, Yun-Ya Yang, Ignacio A. Rodriguez-Jorquera, Gurpal S. Toor, and Alexander J. Reisinger, and published by the UF/IFAS Department of Soil and Water Sciences, January 2019. SL435/SS649: Contaminants in the Urban Environment: Microplastics (ufl.edu
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