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ZSL (Zoological Society of London) and Greenland halibut and prawn fisheries

Amount awarded: £49,789

ZSL's Institute of Zoology in collaboration with Sustainable Fisheries Greenland and the Greenland Institute of Natural Resources, is working with several fisheries around West Greenland to gather information about vulnerable marine habitats in the deep-sea. This will help fisheries, which are following shifting stocks due to climate change, ensure they are avoiding vulnerable marine ecosystems.

Climate change is having significant impacts on many fisheries, especially in the Arctic and sub-Arctic regions. Fish stocks are being driven northwards, and fisheries have to adapt their operations. 

MSC certified West Greenland Offshore Greenland Halibut, Doggerbank Seefischerei West Greenland Halibut, West Greenland Coldwater Prawn Fishery and the non-certified West Greenland Snow Crab are involved in the research.

New data helps MSC fisheries improve towards best practice

The research team at ZSL contributed to the recent MSC audit of the West Greenland Offshore Greenland Halibut fishery. Audits happen once a year to ensure fisheries are making progress towards closing any ‘conditions of certification’ they may have. Conditions are improvements fisheries need to make to achieve global best practice across all MSC requirements in order to stay certified.

Working alongside industry, ZSL’s contribution of documenting vulnerable habitats in the region has helped closed all but two of the outstanding conditions relating to the wider ecosystem. One condition relates to data required around Greenland sharks, and the second is dependent on the Greenland government’s management plan for the seabed, currently in preparation. 

The team have provided recommendations for this management plan, which include areas that should be protected or avoided when fishing. This is because a vulnerable coral garden habitat was identified by ZSL research earlier this year, along the Toqqusaq Bank. Other research from the team has led to a revised fishery management plan for the Greenland halibut fisheries until 2025, restricting the fisheries' operations to within their historical footprint.

The team have also proposed to the Greenland government that an overarching plan considering the conservation of benthic habitats alongside sustainable harvesting would ensure more consistent protection, instead of analysing cases individually.

Live broadcasting from the deep

In August 2021, the project researchers boarded a research cruise to East Greenland, using remote technology to explore the deep-sea. It was the first time in a decade of their research that a device called a remote operated vehicle or ROV has been used to gather high-resolution images of vulnerable indicator species.

Below, shows a seapen (Umbellula) and a sponge and coral habitat. The footage was live streamed where over 700 people tuned in from 10 countries to witness the discoveries. The team to date, have assessed over 2,700 stills, 145 seabed videos and obsevered over 7,500 individual marine organisms. 

The Ocean Stewardship Fund is also supporting a new Intern at ZSL, who has successfully identified over 230 groups of organisms from the images. This includes a number of vulnerable indicator species such as fan shaped sponges, hard and soft coral. The occurrence, size and density of the key groups are being collected from the study area.

A sea pen on the sea floor in East Greenland
Coral and sponge habitat in East Greenland deep-seabed

Future research to protect sea pen fields

ZSL’s research will continue to support MSC certified fisheries maintain sustainable status, as have been funded a second time by the Ocean Stewardship Fund in 2022. This project aims to learn more about a potential vulnerable marine habitat called a sea pen field in the Davis Strait. The outcome may mean the fisheries will need to adopt stronger measures to confirm they are not causing serious impact to such habitats in order to maintain their certification. 

“This funding will enable us to document and describe new benthic habitats in Greenland and improve our scientific basis for making informed decisions for protecting Greenland’s seabed.”

Dr Chris Yesson, Research Fellow

ZSL's (Zoological Society of London) Institute of Zoology

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