The Complexities and Opportunities of Examining Scale in Ecology – With Application to Grassland Management

Understanding the way in which biodiversity is created and maintained is the fundamental goal of applied ecology. In order to comprehend how diversity is distributed and isolate the factors contributing to diversity, multiple scales of study must be considered. Studies which base their conclusions on an isolated snapshot of an ecological system find their results challenged by considering both historical and spatial scales. The question of scale: its definition, the relevant scale at which biological processes produce observable patterns, the translation from small to large scales and the theoretical and technological complications scale presents, remain contentious issues in ecology. This review investigates the current definitions of scale, arguments over the importance of various scales, and the use of scalar components in research. Secondly, it looks at how careful consideration of scale gives rise to various limitations and complications of ecological studies. Finally, it addresses the difficulty of scaling up, from local to regional, through ecosystems. The question of scale is then applied to grassland management, a biome both vital to biodiversity and human use, in order to concretize theoretical arguments and provide direction to management. This review is conducted to generate a greater comprehension of scalar applications to future research, the contingency of current conclusions based on scalar limits will, and how this knowledge can be applied to aid management that engages all scales in order to preserve diversity

Bearing children in unstable times: psychological traits and early parenthood in a lowest-low fertility context, Rostock 1990 - 1995

In this paper, we analyze a unique longitudinal data set from Rostock in Eastern Germany. Data collection began in the communist era and has been followed up until today. Employing proportional-hazard models, we use psychological individual-level measures (such as personality traits, social and cognitive resources, coping styles, etc.) at age 20 as determinants of the subjects´ subsequent transition rate to parenthood. We find strong evidence to support the notion that psychological factors function as proximate determinants of differential fertility. We conclude that psychological individual-level data are important in understanding patterns, especially during times when society faces massive and incalculable upheavals.

advligorts: The Advanced LIGO Real-Time Digital Control and Data Acquisition System

The Advanced LIGO detectors are sophisticated opto-mechanical devices. At the core of their operation is feedback control. The Advanced LIGO project developed a custom digital control and data acquisition system to handle the unique needs of this new breed of astronomical detector. The advligorts is the software component of this system. This highly modular and extensible system has enabled the unprecedented performance of the LIGO instruments, and has been a vital component in the direct detection of gravitational waves

Bedeutung des Meßwesens für die Selbstkostenermittelung in der Spiegelglasindustrie.

Ziele des Meßwesens: a) Selbstkostenermittelung; b) Betriebsüberwachung. - Zweckmäßigste Termine. - Ermittelung der Gesamt- und der Einzelbetriebs-Selbstkosten. Messungen im einzelnen: 1. Rohglashütte, 2. Schleiferei, 3. Nebenbetriebe. - Erfolge des Meßwesens

Student persistence in STEM fields: school structures and student choices in Finland, Sweden and the United States

The PDF version of this dissertation contains hyperlinks.In science, technology, engineering, and mathematics (STEM) education, producing high level talent and increasing equity of access and engagement are prominent but sometimes conflicting policy directives. Yet, retention and persistence are important outcomes both for the production of elite talent and for promoting equity within STEM fields. This dissertation investigates the effects of policy on student persistence in Finland, Sweden and the United States. Drawing on interviews with upper-secondary school students and teachers (Finland: 26 students, 8 teachers; Sweden: 29 students and 10 teachers; United States: 19 students, 2 mentors) and surveys (Finland: 255 students, Sweden: 130 students, United States: 288 students), this study investigates the effects that different structures (including contrasting policies of stratification and differentiation, specialist magnet schools and enrichment programmes) have on students’ intentions to persist in STEM fields. This study supports the theory that educational policies mediate student persistence both through structural possibility, and through the development of students’ identities and non-cognitive skills. Here, non-cognitive skills (such as self-efficacy and self-concept) are considered part of an ‘adaptive habitus’ and a latent variable comprised of domain-specific non-cognitive skills is used in models of student persistence. The models illustrate the do- main specific interactions of educational structures, student background, adaptive habitus and student persistence. Analysis of the interviews further explores these relationships, suggesting the importance of programmes that include exposure to challenging real-world STEM learning and interaction with STEM professionals, and that such features are effective in part because they foster an adaptive habitus towards STEM fields. The policy implications for both efficiency and equity are considered. A framework of Mechanism, Transparency and Permeability is introduced for analysing the effects of policies on efficiency and equity. Drawing on the interviews, this framework is used to give a comparative characterisation of the educational systems Finland, Sweden and the United States. Permeability is highlighted as particularly important for retention and persistence, and a key consideration for educational policies that seek to produce elite talent, and promote equity in STEM fields.This work was supported by a Gates Cambridge Scholarship with additional grants for field work from Trinity Hall and the Faculty of Education, University of Cambridge

Copyright & Privacy - Through the Technology Lens, 4 J. Marshall Rev. Intell. Prop. L. 242 (2005)

How is new technology impacting on the more general question of privacy in cyberspace? Is the original notion of an expectation of anonymity on the internet still viable? Can technology pierce through the expectation of privacy even without judicial interference? Do individuals need protection from such technology? Is there technology available to protect the individual? Should these technological tools be regulated? Should the law differentiate between various types of alleged “illegal” behavior; e.g., IP infringement, defamation, possession of pornography and terrorism? Are there international standards that can assist in regulating the intersection between technology and privacy in cyberspace

Microbiological characteristics of sepsis in a university hospital

Microbiological characteristics of sepsis and antimicrobial resistance are well studied, although in State University of Campinas, no data has been published yet. The main agents related to sepsis and antimicrobial resistance were analyzed. The blood culture records requested from 4,793 hospitalized patients were analyzed. The samples were processed using the Bact/Alert (R) system for agent identification and antimicrobial susceptibility. A total of 1,017 patients met the inclusion criteria for a sepsis diagnosis, with 2,309 samples tested (2.27 samples/patient). There were 489 positive samples (21% positive) isolated from 337 patients (33.13%), but more rigorous criteria excluding potential contaminants resulted in analysis being restricted to 266 patients (315 agents). The prevalent microorganisms were coagulase negative Staphylococcus (CNS) (15.87%), Escherichia coli (13.0%), Staphylococcus aureus (11.7%), Klebsiella pneumoniae (9.8%), Enterobacter sp (9.5%), Acinetobacter baumannii (9.2%), Pseudomonas aeruginosa (5.7%) and Candida sp (5.1%). Examining antimicrobial resistance in the agents revealed that 51% of the S. aureus isolates were methicillin-resistant S. aureus (MRSA) and 80% of the CNS isolates were oxacillin-resistant. For A. baumannii, the ideal profile drugs were ampicillin sulbactam and piperacillin/tazobactam, and for P. aeruginosa, they were piperacillin/tazobactam and ceftazidime. Enterobacteria showed on average 32.5% and 35.7% resistance to beta-lactams and ciprofloxacin, respectively. When all Gram-negative bacteria were considered, the resistance to beta-lactams rose to 40.5%, and the resistance to ciprofloxacin rose to 42.3%. Eighty percent of the agents identified in blood cultures from patients with sepsis belonged to a group of eight different agents. For empirical treatment, carbapenems and vancomycin unfortunately still remain the best therapeutic choice, except for A. baumannii and P. aeruginosa, for which piperacillin/tazobactan is the best option15FAEPEX: Fundo de apoio ao ensino, a pesquisa e a extensã

advligorts: The Advanced LIGO real-time digital control and data acquisition system

The Advanced LIGO detectors are sophisticated opto-mechanical devices. At the core of their operation is feedback control. The Advanced LIGO project developed a custom digital control and data acquisition system to handle the unique needs of this new breed of astronomical detector. The advligortsis the software component of this system. This highly modular and extensible system has enabled the unprecedented performance of the LIGO instruments, and has been a vital component in the direct detection of gravitational waves