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Table 2 Maximum annual abundance and capture date at 7 collection sites in Belgium

From: Longitudinal monitoring of Culicoides in Belgium between 2007 and 2011: local variation in population dynamics parameters warrant cautious use of monitoring data

Site 2007 2008 2009 2010 2011 Average inter-site rank 2007–2009; 7 sites Average inter-site rank 2007–2011; 4 sites
Nijlen 1186
(19/06/2007)
3289
(29/07/2008)
457
(11/08/2009)
471
(29/06/2010)
336
(28/06/2011)
2.33 1.4
Varendonk 2337
(9/05/2007)
12,000
(22/04/2008)
1829
(30/06/2009)
1859
(15/06/2010)
8787
(12/10/2011)
4.67 3
Neerpelt 708
(19/06/2007)
4700
(8/07/2008)
3462
(30/06/2009)
- - 3.67 -
Frahan 1941
(13/09/2007)
8310
(6/05/2008)
5046
(1/07/2009)
- - 5 -
Goronne 13,896
(2/10/2007)
2450
(11/08/2008)
3005
(19/05/2009)
- - 4.33 -
Verlaine 495
(6/06/2007)
791
(27/05/2008)
1044
(16/07/2009)
2166
(29/06/2010)
1699
(30/05/2011)
1.33 1.8
Gembloux 4000
(9/10/2007)
25,445
(14/05/2008)
5200
(9/06/2009)
10,935
(30/06/2010)
6700
(23/08/2011)
6.67 3.8
Fold differencea 28 32 11 23 26 - -
  1. aFold difference between sites with the highest and lowest maximum annual abundance