Search Results

You are looking at 1 - 7 of 7 items for

  • Author or Editor: John Marshall x
  • Search level: All x
Clear All
In: Journal of Chinese Philosophy

Abstract

Many insects possess life history characteristics that make them unlikely to use the kinds of relative mate choice criteria implicit in theoretical discussions of leks; thus, many insect mating aggregations are treated differently, as 'swarms' or 'choruses.' Yet periodical cicadas (Magicicada spp.) seem strong candidates for participating in lek mating systems. We present a series of observations and experiments designed to reveal whether there are mating biases in periodical cicadas and whether any biases are most consistent with flexible ('best-of-N 'choice) or fixed (threshold choice) mating criteria. We rule out postcopulatory choice by demonstrating that most females mate once, after which they become sexually unreceptive. In our study, patterns of mating success among actively chorusing males are indistinguishable from random mating, and we uncover no consistent differences between unmated and mated males on the basis of size and song pitch, two criteria that have been associated with Magicicada mating biases in other contexts. Because our results are most consistent with a fixed-threshold choice mechanism, we suggest that Magicicada mating aggregations do not function in a manner similar to vertebrate leks even though they fulfill Bradbury's (1981) lek criteria. Instead, features of Magicicada behavior suggesting female selectivity may arise incidentally from males' and females' unequal tendencies to mate multiply, the resulting superabundance of sexually receptive males, and the high frequency at which females are courted at the onset of mating readiness.

In: Behaviour
In: Behaviour

Over the last several decades, the percentage of permanent faculty positions at universities has declined significantly. Increasingly, courses are taught by adjunct instructors, graduate students, and postdoctoral fellows rather than by permanent faculty members. This creates intense competition for permanent positions. Data summarizing the general qualifications of newly hired first-time professors in permanent jobs are valuable for students contemplating graduate school and academic careers. These data should also help graduate students and postdoctoral fellows set goals that will enable them to be competitive for permanent academic jobs. Here we present data collected in a survey from 181 newly hired faculty members in the fields of ecology and evolutionary biology from around the world. We report the average number of publications, courses taught, years as postdoctoral fellows, and research grants received for successful job applicants. Our results indicate an extremely competitive environment for permanent academic jobs in the fields of ecology and evolutionary biology.

In: Israel Journal of Ecology and Evolution
“Solange es Dogmatiker gibt, müssen wir Skeptiker sein,” meinte Pascal. In der Zwischenzeit haben die Dogmatiker tatkräftige Unterstützung von Fanatikern und Fundamentalisten bekommen. Im Gegenzug scheint das Bedürfnis nach Skepsis heute größer denn je zu sein. Die Skepsis wurde von der Schulphilosophie oft wie ein Wechselbalg behandelt. Sie störte und entwickelte Zweifel, die letztlich wie eine Bedrohung der Philosophie selbst wirkten. Ihre Motivation kam dabei aus dem Leben und hatte ein therapeutisches Ziel: den Seelenfrieden, die ataraxie. Seit ihrer Wiederbelebung in der Mitte des 20. Jahrhunderts hat sie nachhaltigen Einfluß auf die Erkenntnistheorie und gewonnen. Sie führt, etwa bei Paul Feyerabend, zu einem Denken, das von der tyrannischen Forderung befreien will, uns mit einer Welt abzufinden, die wir nicht gemacht haben. So wird die Grenze zwischen philosophischem Diskurs und literarischer Kreativität durchlässig. In seinen Einzelbeiträgen stellt der Band die Frage, ob es eine skeptische Ästhetik geben und was von ihr erwartet werden kann.
Papers from The Sixth Münster Symposium on Jonathan Swift
Assembling thirty-five lectures delivered at the Sixth Münster Symposium on Jonathan Swift in June 2011, this new volume of Reading Swift testifies to an extraordinary spectrum of research interests in the Dean of St Patrick’s, Dublin, and his works. As in the successful earlier volumes, the essays have been grouped in eight sections: biographical aspects (W. B. Carnochan, John Irwin Fischer, Clive T. Probyn, Abigail Williams); bibliographical and textual studies (Ian Gadd, James E. May); A Tale of a Tub (J. A. Downie, Gregory Lynall and Marcus Walsh, Michael McKeon); historical and religious issues (Christopher J. Fauske, Christopher Fox, Ian Higgins, Ashley Marshall, Nathalie Zimpfer); Irish vistas (Sabine Baltes, Toby Barnard, Andrew Carpenter, D. W. Hayton, James Ward); poetry (Daniel Cook, Kirsten Juhas, Stephen Karian, Dirk F. Passmann and Hermann J. Real, James Woolley); Gulliver’s Travels (Barbara M. Benedict, Allan Ingram, Ann Cline Kelly, Melinda Alliker Rabb); and reception and adaptation (Gabriella Hartvig, Clement Hawes, Heinz-Joachim Müllenbrock, Tim Parnell, Peter Sabor, Nicholas Seager, Howard D. Weinbrot). Clearly, the élan vital, which has been such a distinctive feature of Swift scholarship in the past thirty years, is continuing unabated.