An Introduction to Methods and Models in Ecology, Evolution, by Stanton Braude, Bobbi S. Low

By Stanton Braude, Bobbi S. Low

This distinctive textbook introduces undergraduate scholars to quantitative versions and strategies in ecology, behavioral ecology, evolutionary biology, and conservation. It explores the middle innovations shared by way of those comparable fields utilizing instruments and sensible talents equivalent to experimental layout, producing phylogenies, uncomplicated statistical inference, and persuasive supply writing. And participants use examples from their very own state-of-the-art examine, delivering various perspectives to have interaction scholars and increase their understanding.

this can be the one textbook at the topic that includes a collaborative "active studying" procedure that emphasizes hands-on studying. each bankruptcy has workouts that let scholars to paintings without delay with the cloth at their very own velocity and in small teams. every one challenge contains facts offered in a wealthy array of codecs, which scholars use to reply to questions that illustrate styles, rules, and techniques. subject matters diversity from Hardy-Weinberg equilibrium and inhabitants potent measurement to optimum foraging and indices of biodiversity. The e-book additionally incorporates a entire glossary.

as well as the editors, the participants are James Beck, Cawas Behram Engineer, John Gaskin, Luke Harmon, Jon Hess, Jason Kolbe, Kenneth H. Kozak, Robert J. Robertson, Emily Silverman, Beth Sparks-Jackson, and Anton Weisstein.

  • Provides event with speculation checking out, experimental layout, and medical reasoning
  • Covers center quantitative types and techniques in ecology, behavioral ecology, evolutionary biology, and conservation
  • Turns "discussion sections" into "thinking labs"

Professors: A supplementary Instructor's handbook is obtainable for this ebook. it's constrained to lecturers utilizing the textual content in classes. for info on how one can receive a duplicate, check with:

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Extra resources for An Introduction to Methods and Models in Ecology, Evolution, and Conservation Biology

Example text

Harvard University Press. Williams, G. C. 1966. Adaptation and Natural Selection. , Princeton University Press. 3 Phylogenetic Inference: Examining Morphological and Molecular Datasets James Beck Introduction and Background To understand organisms and their interactions we must think about them in both space and time. Phylogenetic trees display the historical relationships between species. These trees allow ecologists and evolutionary biologists to explore the origins and fates of traits. Con­ sider the following example.

In earlier chapters, we have talked about the fact that, in any environment, individuals with different “strategies” may not all survive and reproduce equally well. That might seem like a simple statement—but it has powerful implications for competition theory, and for population ecology. You will find, not only in this chapter but throughout this book, examples in which selection acts on clutch size (or foraging efficiency, or some other characteristic). ) are those that result in enhanced survivorship and/or reproduction.

But there are two important caveats. First, because some trait would be advantageous does not mean that an organism will have that trait—this depends on whether the genetic variation exists for that trait to spread due to selection. Second, just because a trait looks handy does not mean that it is an adaptation. As the biologist George Williams pointed out long ago (1966), the concept of adaptation is an onerous one: you must show that the trait developed as a result of natural selection, not simply that the trait is advantageous.

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