Article: Assessing species diagnostic value in large data sets: a comparison between phi-coefficient and Ochiai index.(Report)

Introduction

Diagnostic species--species that show a preference for a given biotic community--are useful in field surveys for the identification of community types (Chytry et al. 2002a; Dufrene & Legendre 1997). In European phytosociology, the term 'fidelity' was coined to refer to the degree of preference shown by a species for a particular community (Poore 1955; Westhoff & van der Maarel 1973). With the availability of large releve vegetation databases (Brisse et al. 1995; Ewald 2002; Font 2007; Hennekens & Schaminee 2001), diagnostic species and the objective measurement of fidelity have become a major research topic (Botta-Dukat & Borhidi 1999; Bruelheide ...

Related newspaper, magazine, and journal articles:

 
 
Newsweek Harper's Magazine The Washington Post Chicago Tribune Crain's Chicago Business PRNewswire Pediatric News The Nation Advertising Age The Economist (US) A FREE trial gives you access to over 80 million articles! Access over 6,500 publications with a FREE trial!