more aquaculture more storms more waste by mark daly celebrate water march 2015
TRANSCRIPT
More AquacultureMore Storms More Waste
By Mark Daly
Celebrate Water
March 2015
Lough Foyle• Significant increase in Crassostrea gigas
trestles on Western shores of Lough Foyle
• Licence not required at present
• No apparent regulation
• Threat to native oyster
Problems with Waste• Abandoned tressles and nets
• Danger to boats – navigation hazard
• Torn oyster bags
• Rope litter
• Rubber tie hooks litter
• Bags & pots washed up on shore after storms
Problems for Biodiversity
• Bird entanglement in mesh
• Escaped oysters of various sizes
• Ghost nets trapping sealife
• Disease – bonamia, sealice
• Use of pesticides
• Tractor /Trailer /4x Wheel drive compacting beaches
Solutions
• Tighter controls & regulations
• Identification tags
• Biodegradable materials
• Citizen Science – role in monitoring