Chapter 3. Introductions

  1. William J. Sutherland Professor of Biology
  1. H. Charles J. Godfray and
  2. Michael J. Crawley

Published Online: 14 OCT 2009

DOI: 10.1002/9781444313499.ch3

Conservation Science and Action

Conservation Science and Action

How to Cite

Godfray, H. C. J. and Crawley, M. J. (1998) Introductions, in Conservation Science and Action (ed W. J. Sutherland), Blackwell Publishing Ltd., Oxford, UK. doi: 10.1002/9781444313499.ch3

Editor Information

  1. School of Biological Sciences, University of East, Anglia, Norwich NR4 7TJ, UK

Author Information

  1. Department of Biology and NERC Centre for Population Biology, Imperial College at Silwood Park, Ascot SL5 7PY, UK

Publication History

  1. Published Online: 14 OCT 2009
  2. Published Print: 19 FEB 1998

ISBN Information

Print ISBN: 9780865427624

Online ISBN: 9781444313499



  • species introduction from different geographical areas;
  • invasive alien species - serious problems of international scale;
  • rates and types of species introductions;
  • fundamental concepts in population biology and invasion criterion;
  • relationship between probability of establishment and initial population;
  • alien species proportion in total flora;
  • Cheat grass Bromus tectorum - introduced grass in northwestern USA and Canada;
  • ecological science and consequences of introduced species for communities;
  • man - the real keystone species in any environment;
  • genetically engineered organisms


This chapter contains sections titled:

  • Introduction

  • Rates and types of introductions

  • Establishment

  • Spread

  • Consequences

  • Introduction of genetically engineered organisms