more aquaculture more storms more waste by mark daly celebrate water march 2015
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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
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