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1

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HERBICIDES AND TRANSFORMATION PRODUCTS IN SURFACE WATERS OF THE MIDWESTERN UNITED STATES (2003)

Battaglin, William A. ; Thurman, Earl M. ; Kalkhoff, Stephen J. ; [et al.]

Oxford, UK : Blackwell Publishing Ltd

Journal of the American Water Resources Association 39 (2003), S. 0

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ISSN: 1752-1688

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Architecture, Civil Engineering, Surveying , Geography

Notes: : Most herbicides applied to crops are adsorbed by plants or transformed (degraded) in the soil, but small fractions are lost from fields and either move to streams in overland runoff, near surface flow, or subsurface drains, or they infiltrate slowly to ground water. Herbicide transformation products (TPs) can be more or less mobile and more or less toxic in the environment than their source herbicides. To obtain information on the concentrations of selected herbicides and TPs in surface waters of the Midwestern United States, 151 water samples were collected from 71 streams and five reservoir outflows in 1998. These samples were analyzed for 13 herbicides and 10 herbicide TPs. Herbicide TPs were found to occur as frequently or more frequently than source herbicides and at concentrations that were often larger than their source herbicides. Most samples contained a mixture of more than 10 different herbicides or TPs. The ratios of TPs to herbicide concentrations can be used to determine the source of herbicides in streams. Results of a two-component mixing model suggest that on average 90 percent or more of the herbicide mass in Midwestern streams during early summer runoff events originates from the runoff and 10 percent or less comes from increased ground water discharge.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1111/j.1752-1688.2003.tb04402.x

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2

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Chairing - developing a key skill (2003)

Rees, W. David ; Porter, Christine

Bingley : Emerald

Industrial and commercial training 35 (2003), S. 56-59

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ISSN: 0019-7858

Source: Emerald Fulltext Archive Database 1994-2005

Topics: Economics

Notes: The skill of chairing meetings is a key one that can greatly influence personal and organisational effectiveness. However, it is often assumed that people know how to handle meetings by a process of osmosis. Sometimes this is justified but often not, and standards of chairing vary widely. In this article the basic skills of chairing meetings are identified, with emphasis being on the ways in which they can be systematically developed. This includes analysis of interactions at meetings, particularly those interactions involving the chair. The difference between procedural, process and substantive contributions is also examined and the importance of these distinctions, particularly for whoever is chairing a meeting.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1108/00197850310463751

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3

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Appraisal pitfalls and the training implications - part 1 (2003)

Rees, W. David ; Porter, Christine

Bingley : Emerald

Industrial and commercial training 35 (2003), S. 280-284

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ISSN: 0019-7858

Source: Emerald Fulltext Archive Database 1994-2005

Topics: Economics

Notes: The problems of operating employee appraisal schemes effectively are identified in this two-part article. Appraisal of formal appraisal schemes suggests that most do not operate satisfactorily. Multipurpose schemes can be cumbersome and include conflicting objectives. The feedback process can also cause major problems. Such problems can be exacerbated with schemes of 360-degree appraisals, according to their complexity and the role conflicts that they precipitate. In the second part of the article, the level of organisational investment needed for schemes to operate effectively is considered. The ways in which competencies, self-appraisal and peer audit can be constructively used are examined. The crucial link between formal and informal appraisal processes is considered as is the importance and skills involved in an informal appraisal. Finally, the way in which the training needs of appraisees need to be realistically identified and assessed is also explained.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1108/00197850310501677

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4

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Modelling the changing apparel supply chain (2003)

Rollins, R.P. ; Porter, K. ; Little, D.

Bingley : Emerald

International journal of clothing science & technology 15 (2003), S. 140-156

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ISSN: 0955-6222

Source: Emerald Fulltext Archive Database 1994-2005

Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics

Notes: This paper describes a research project funded by the Engineering and Physical Sciences Research Council. Twenty case-study companies operating across a range of industrial sectors participated in the project. Sectors chosen for the development of these architectures were those where the use of the traditional manufacturing resource planning (MRPII) model is not the optimum operating solution. In particular, the paper describes the process mapping and analysis approach applied to the study of a sector-based group of apparel manufacturing companies who collaborated in the research. The planning issues that confront the companies, the control solutions they employ in response to their present commercial environment as they seek to address the changing demands being made of the industry are outlined. A generic planning and control reference architecture developed from the study for the apparel sector is presented.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1108/09556220310470141

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5

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The agile workplace (2003)

Joroff, Michael L. ; Porter, William L. ; Feinberg, Barbara ; [et al.]

London : Emerald

Journal ofcorporate real estate 5 (2003), S. 293-311

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ISSN: 1463-001X

Source: Emerald Fulltext Archive Database 1994-2005

Topics: Economics

Notes: Workplace agility is emerging as the highest priority for the providers of workplace services and infrastructure. 'Agility' means continuously improving work and the infrastructure that enables it. An agile workplace is onethat is constantly transforming, adjusting and responding to organisational learning. Agility requires a dynamic relationship between work and the workplace and the tools of work. In that relationship the workplace becomes an integral part of work itself - enabling work, shaping it and being shaped by it. This paper focuses on defining workplace agility and discusses the triggers that prompt agile workplace making. Strategies for creating agile workplaces are discussed and the idea of 'rehearsing' change is introduced. This paper is excerpted from 'The Agile Workplace', which introduces the business and technology forces that drive and enable agile work. The report includes chapters about change management, organisational responsibilities and performance metrics.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1108/14630010310812145

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6

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Creating intellectual capital: a Habermasian community of practice (CoP) introduction (2003)

O'Donnell, David ; Porter, Gayle ; McGuire, David ; [et al.]

Bingley : Emerald

Journal of European industrial training 27 (2003), S. 80-87

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ISSN: 0309-0590

Source: Emerald Fulltext Archive Database 1994-2005

Topics: Economics

Notes: John Seely Brown notes that context must be added to data and information to produce meaning. To move forward, Brown suggests, we must not merely look ahead but we must also learn to "look around" because learning occurs when members of a community of practice (CoP) socially construct and share their understanding of some text, issue or event. We draw explicitly here on the structural components of a Habermasian lifeworld in order to identify some dynamic processes through which a specific intellectual capital creating context, CoP, may be theoretically positioned. Rejecting the individualistic "Cogito, ergo sum" of the Cartesians, we move in line with Brown's "we participate, therefore we are" to arrive within a Habermasian community of practice: we communicate, ergo, we create.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1108/03090590310468903

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7

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Kakadumycins, novel antibiotics from Streptomyces sp. NRRL 30566, an endophyte of Grevillea pteridifolia (2003)

Castillo, Uvidelio ; Harper, James K ; Strobel, Gary A ; [et al.]

Oxford, UK : Blackwell Publishing Ltd

FEMS microbiology letters 224 (2003), S. 0

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ISSN: 1574-6968

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Biology

Notes: An endophytic streptomycete (NRRL 30566) is described and partially characterized from a fern-leaved grevillea (Grevillea pteridifolia) tree growing in the Northern Territory of Australia. This endophytic streptomycete produces, in culture, novel antibiotics – the kakadumycins. Methods are outlined for the production and chemical characterization of kakadumycin A and related compounds. This antibiotic is structurally related to a quinoxaline antibiotic, echinomycin. Each contains, by virtue of their amino acid compositions, alanine, serine and an unknown amino acid. Other biological, spectral and chromatographic differences between these two compounds occur and are given. Kakadumycin A has wide spectrum antibiotic activity, especially against Gram-positive bacteria, and it generally displays better bioactivity than echinomycin. For instance, against Bacillus anthracis strains, kakadumycin A has minimum inhibitory concentrations of 0.2–0.3 μg ml−1 in contrast to echinomycin at 1.0–1.2 μg ml−1. Both echinomycin and kakadumycin A have impressive activity against the malarial parasite Plasmodium falciparum with LD50s in the range of 7–10 ng ml−1. In macromolecular synthesis assays both kakadumycin A and echinomycin have similar effects on the inhibition of RNA synthesis. It appears that the endophytic Streptomyces sp. offer some promise for the discovery of novel antibiotics with pharmacological potential.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1016/S0378-1097(03)00426-9

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8

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IMPACTS OF URBANIZATION ON NUTRIENT CONCENTRATIONS IN SMALL SOUTHEASTERN COASTAL STREAMS (2003)

Tufford, Daniel L. ; Samarghitan, Carmen L. ; McKellar, Hank N. ; [et al.]

Oxford, UK : Blackwell Publishing Ltd

Journal of the American Water Resources Association 39 (2003), S. 0

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ISSN: 1752-1688

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Architecture, Civil Engineering, Surveying , Geography

Notes: : Coastal watersheds in the southeastern United States are rapidly changing due to population growth and attendant increases in residential development, industry, and tourism related commerce. This research examined spatial and temporal patterns of nutrient concentrations in streams from 10 small watersheds (〈 4 km2) that drain into Murrells Inlet (impacted) and North Inlet (pristine), two high salinity estuaries along the South Carolina coast. Monthly grab samples were collected during baseflow during 1999 and analyzed for total and dissolved inorganic and organic forms of nitrogen and phosphorus. Data were grouped into forested wetland creeks (representing predevelopment reference sites), urban creeks, and urban ponds. DON and NH4 concentrations were greater in forested streams than in urban streams. NO3 and TP concentrations were greatest in urban streams. Seasonally, concentrations were highest during summer for TN, NH4, DON, and TP, while NO3 concentrations were greatest during winter. Nutrient ratios clearly highlighted the reduction in organic nitrogen due to coastal development. Multiple regression models to predict instream nutrient concentrations from land use in Murrells Inlet suggest that effects are not significant (small r2). The findings indicate that broad land use/land cover classes cannot be used to predict nutrient concentrations in streams in the very small watersheds in our study areas.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1111/j.1752-1688.2003.tb04385.x

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