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Genetica 112113: 932, 2001. 2001 Kluwer Academic Publishers. Printed in the Netherlands.
 

Summary: Genetica 112113: 932, 2001.
2001 Kluwer Academic Publishers. Printed in the Netherlands.
9
The adaptive landscape as a conceptual bridge between micro-
and macroevolution
Stevan J. Arnold, Michael E. Pfrender & Adam G. Jones
Department of Zoology, 3029 Cordley Hall, Oregon State University, Corvallis, OR 97331, USA (Phone:
(541) 737-4362; Fax: (541) 737-0501; E-mail: arnolds@bcc.orst.edu)
Key words: adaptive landscape, macroevolution, microevolution, phenotypic evolution, quantitative genetics,
selection surface, selective line of least resistance
Abstract
An adaptive landscape concept outlined by G.G. Simpson constitutes the major conceptual bridge between the
fields of micro- and macroevolutionary study. Despite some important theoretical extensions since 1944, this con-
ceptual bridge has been ignored in many empirical studies. In this article, we review the status of theoretical work
and emphasize the importance of models for peak movement. Although much theoretical work has been devoted to
evolution on stationary, unchanging landscapes, an important new development is a focus on the evolution of the
landscape itself. We also sketch an agenda of empirical issues that is inspired by theoretical developments.
Introduction
Is the `modern synthesis' incomplete? At the cen-
ter of disenchantments with the neo-Darwinian the-

  

Source: Arnold, Stevan J. - Department of Zoology, Oregon State University
Jones, Adam - Department of Biology, Texas A&M University
Pfrender, Michael - Department of Biological Sciences, University of Notre Dame

 

Collections: Biology and Medicine; Environmental Sciences and Ecology