Table 1 Summary of sample.
From: Effects of Sitka spruce masting on phenology and demography of siskins Spinus spinus
Year of ripe cone crop | Sitka cone score at Argyll park | Days mist netting | Siskins caught at Tarbet site | Initial arrival | Days mist netting during siskin abundance | Period of siskin abundance | Correlation between numbers of adults caught and rain (mm) in previous three days (bold = p < 0.05) | Mean adults per catch in period of abundance |
|---|---|---|---|---|---|---|---|---|
2005 | 8 | 35 | 503 | 6 Feb | 19 | 17 Feb–29 Jul | 0.06 | 11.2 |
2006 | 2 | 31 | 425 | 28 Dec | 14 | 6 Apr–5 Aug | 0.34 | 19.4 |
2007 | 8 | 28 | 607 | 5 Dec | 18 | 13 Feb–17 Aug | 0.37 | 21.2 |
2008 | 6 | 32 | 1128 | 2 Dec | 18 | 21 Jan–15 Jul | − 0.31 | 43.3 |
2009 | 1 | 38 | 1005 | 25 Feb | 15 | 3 Apr–7 Aug | 0.52 | 51.5 |
2010 | 7 | 42 | 1634 | 11 Dec | 29 | 5 Jan–29 Jul | 0.22 | 48.0 |
2011 | 9 | 28 | 1470 | 13 Nov | 21 | 12 Jan–19 Aug | 0.35 | 33.6 |
2012 | 4 | 33 | 1017 | 14 Jan | 16 | 13 Mar–15 Aug | 0.29 | 51.8 |
2013 | 6 | 33 | 605 | 11 Dec | 15 | 26 Feb–10 Aug | 0.18 | 25.3 |
2014 | 4 | 28 | 643 | 17 Dec | 13 | 22 Mar–27 Aug | 0.39 | 33.0 |
2015 | 8 | 33 | 986 | 26 Dec | 20 | 6 Feb–15 Aug | 0.35 | 13.8 |
2016 | 2 | 44 | 1481 | 1 Jan | 22 | 26 Feb–27 Jul | − 0.23 | 47.8 |
2017 | 3 | 42 | 1805 | 4 Jan | 20 | 6 Mar–23 Jul | 0.15 | 76.6 |
2018 | 8 | 43 | 1158 | 22 Dec | 21 | 19 Feb–25 Jul | 0.57 | 42.2 |
2019 | 2 | 38 | 1261 | 2 Feb | 18 | 25 Mar–8 Aug | − 0.20 | 48.4 |
2020 | 9 | 40 | 825 | 13 Dec | 36 | 4 Jan–8 Jul | 0.63 | 24.3 |
