Three coastal projects across Anglesey and Gwynedd have secured Welsh Government funding.
Safety impovements will be made at Amlwch harbour after a grant was secured from the Coastal Capacity Building Fund, which is run by the Wales Council for Voluntary Action (WCVA).
Plans include new electrical pedestals, a marina distribution system, steel grating covers and a telescopic folding dock crane at Amlwch Port.
Funding has also been secured by Coastal Futures, a community-led marine observatory programme across the Menai Strait, making use of blue carbon science and circular economy infrastructure.
And the Clust i'r Môr scheme will provide enhanced monitoring of marine mammals off the Gwynedd coast, along with acoustic monitoring for high-energy coastal environments.
The three projects are among seven across Wales that will each receieve a share of £540,761.
The Welsh Government says the projects will improve marine environments, strengthen local economies and build long-term resilience for coastal communities and the fishing industry.
Sustainability Minister, Llyr Gruffydd, said: "Wales’ coastal communities are the custodians of our richest marine environments, and this funding backs their work to protect and sustain them for future generations."
"From restoring native oysters in Laugharne to monitoring marine mammals off the Gwynedd coast, these projects show what local knowledge and community action can achieve."
"We're investing in clean seas, strong aquaculture and fisheries supply chains and resilient coastal economies; because Wales's coastline is one of our greatest assets."


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