Comments on: Was 2016 a poor year at IGC? http://suffolkmoths.org.uk/blog/index.php/2017/01/15/was-2016-a-poor-year-at-igc/ Topical information from the Suffolk Moth Group Tue, 25 Feb 2020 18:38:33 +0000 hourly 1 https://wordpress.org/?v=3.6.1 By: Raymond Watson http://suffolkmoths.org.uk/blog/index.php/2017/01/15/was-2016-a-poor-year-at-igc/#comment-2474 Raymond Watson Fri, 20 Jan 2017 18:42:16 +0000 http://suffolkmoths.org.uk/blog/?p=6673#comment-2474 Yes. Interesting Neil. I would tend to agree on the total numbers of moths but unfortunately I don’t have figures to prove it. This was certainly the case for the poor spring but I am not so sure for later in the year which although late did improve on the numbers caught. It is quite remarkable that the actual number of species we have each recorded is so very similar except for 2016. However we catch different species. I have looked up the number of times I have trapped each year. Bearing in mind that 2012 was not so organised as the other years and with different and sometimes only one trap.
2012 – 680 species 169 nights
2013 – 745 species 112 nights
2014 – 726 species 102 nights
2015 – 738 species 119 nights
2016 – 751 species 109 nights
This tends to suggest either I am atypical for 2016 or your catches are down owing to some environmental variation in your locality. While looking through the temporal variation of nights trapped the variation was enormous despite similar annual totals. Overall remarkably static data.

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<![CDATA[ Yes. Interesting Neil. I would tend to agree on the total numbers of moths but unfortunately I don&#039;t have figures to prove it. This was certainly the case for the poor spring but I am not so sure for later in the year which although late did improve on the numbers caught. It is quite remarkable that the actual number of species we have each recorded is so very similar except for 2016. However we catch different species. I have looked up the number of times I have trapped each year. Bearing in mind that 2012 was not so organised as the other years and with different and sometimes only one trap. 2012 - 680 species 169 nights 2013 - 745 species 112 nights 2014 - 726 species 102 nights 2015 - 738 species 119 nights 2016 - 751 species 109 nights This tends to suggest either I am atypical for 2016 or your catches are down owing to some environmental variation in your locality. While looking through the temporal variation of nights trapped the variation was enormous despite similar annual totals. Overall remarkably static data. ]]>
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<![CDATA[ <p>Yes. Interesting Neil. I would tend to agree on the total numbers of moths but unfortunately I don&#8217;t have figures to prove it. This was certainly the case for the poor spring but I am not so sure for later in the year which although late did improve on the numbers caught. It is quite remarkable that the actual number of species we have each recorded is so very similar except for 2016. However we catch different species. I have looked up the number of times I have trapped each year. Bearing in mind that 2012 was not so organised as the other years and with different and sometimes only one trap.<br /> 2012 &#8211; 680 species 169 nights<br /> 2013 &#8211; 745 species 112 nights<br /> 2014 &#8211; 726 species 102 nights<br /> 2015 &#8211; 738 species 119 nights<br /> 2016 &#8211; 751 species 109 nights<br /> This tends to suggest either I am atypical for 2016 or your catches are down owing to some environmental variation in your locality. While looking through the temporal variation of nights trapped the variation was enormous despite similar annual totals. Overall remarkably static data.</p> ]]>
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