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BIODIVERSITY Spread of common species results in local-
 

Summary: BIODIVERSITY
RESEARCH
Spread of common species results in local-
scale floristic homogenization in grassland
of Switzerland
Christoph Bu®hler1
and Tobias Roth1,2
*
INTRODUCTION
Taxonomic homogenization is the decrease in species dissim-
ilarity between sample units over time (Olden & Rooney,
2006). It is a simple prediction that follows from human-
induced changes of environments that favour few winning
species and negatively affect many others (Smart et al., 2006;
Rooney et al., 2007). So far, studies on taxonomic homoge-
nization have been mainly conducted by comparing extant and
historic species lists among large grid cells, counties, countries
1
BDM Coordination Office, c/o Hintermann
& Weber AG, Austrasse 2a, CH-4153 Reinach

  

Source: Amrhein, Valentin - Zoologisches Institut, Universitšt Basel

 

Collections: Environmental Sciences and Ecology