Aquatic Invasions (2011) Volume 6, Issue 3: 249–262 doi: 10.3391/ai.2011.6.3.02 Open Access © 2011 The Author(s). Journal compilation © 2011 REABIC Research Article The arrival and spread of the bloom-forming, freshwater diatom, Didymosphenia geminata, in New Zealand Cathy Kilroy* and Martin Unwin National Institute of Water and Atmospheric Research, PO Box 8602, Christchurch, New Zealand E-mail:
[email protected] (СK),
[email protected] (MU) *Corresponding author Received: 26 November 2010 / Accepted: 15 April 2011 / Published online: 13 May 2011 Online article is available at http://www.aquaticinvasions.net/2011/AI_2011_6_3_Kilroy_Unwin.pdf Supplementary material Appendix 1. Records of Didymosphenia geminata in the South Island, New Zealand, 2004-2009, showing the date of first detection for each site. Sites (identified by a unique Site ID) are ordered by catchment, proceeding clockwise from the northernmost point of the South Island. Site ID Waterway name Latitude, S Longitude, E Date 165 Takaka River -41º01'53" 172º47'54" 25/01/2007 166 Takaka River -40º53'06" 172º48'34" 25/01/2007 167 Takaka River -41º02'27" 172º47'18" 25/01/2007 6 Anatoki River -40º53'03" 172º45'47" 8/01/2009 7 Anatoki River -40º53'14" 172º43'48" 21/01/2009 187 Waingaro River -40º53'18" 172º48'03" 21/01/2009 31 Cobb River -41º07'45" 172º36'47" 11/12/2007 115 Motueka River -41º05'57" 173º00'07" 7/02/2007 116 Motueka River -41º15'35" 172º49'20" 10/09/2007 12 Baton River -41º18'29" 172º42'14" 23/01/2009 186 Waimea River -41º18'38" 173º07'43" 20/01/2009 188 Wairau