Andrew Frazer

Is hydropower responsible for depleted fish stocks?

Transcript

1. Andrew Frazer, Harperstown Power
10. Lower Bann Fishery: Commercial Salmon Catch History Combined catch from Cutts Traps & Cranagh draft net Source: The Hon. The Irish Society Fishery closed in 1995
15. Table 1 Actual Salmon and Smolt Numbers at Bushmills No. Salmon No. Salmon Caught No. hen No. Eggs Mortality Smolts Mortality Returning Counted Caught % Fish 000000's % actual at sea % fish 2003 1112 86 7.7 820 2004 1080 103 9.5 781 2.7 2005 1475 247 16.7 982 2.6 99.27 19494 2006 1527 254 16.6 1018 3.2 99.1 23389 2007 4825 660 13.6 3332 3.3 99.28 22792 75.24 4825 2008 2536 645 25.4 1512 10.9 99.43 18785 88.87 2536 2009 1148 243 21.2 724 4.9 99.81 20525 94.96 1148 2010 1789 334 18.6 1164 2.4 99.61 18731 90.4 1789 2011 3.8 99.21 18947 ? 2012 99.52 17976 ? 2013 ? 2014 ? Totals 15492 2572 160639 Avs 1936 322 16.60% 20079
16. Table 2 Potential Salmon and Smolt Numbers at Bushmills No. Salmon No fish killed No. hen No. Eggs Mortality Smolts Mortality Returning Counted by anglers Fish 000000's % actual at sea % fish 2003 1112 890 2004 1080 864 2.9 2005 1475 1180 2.8 99.27 21440 2006 1527 1221 3.9 99.1 25200 2007 5330 4264 4 99.28 28036 75.24 5330 2008 2804 2243 14 99.43 22800 88.87 2804 2009 1403 1122 7.4 99.81 79800 94.96 1403 2010 3.7 99.61 28860 90.4 2188 2011 99.21 29261 90 7980 2012 90 2886 2013 90 2926 2014 Totals 25517 Ave 3635