A gap analysis on modelling of sea lice infection pressure from salmonid farms. II. Identifying and ranking knowledge gaps: output of an international workshop

Sea lice are a major health hazard for farmed Atlantic salmon in Europe, and their impact is felt globally. Given the breadth of ongoing research in sea lice dispersal and population modelling, and focus on research-led adaptive management, we brought experts together to discuss research knowledge g...

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Bibliographic Details
Published in:Aquaculture Environment Interactions
Main Authors: JM Murphy, M Moriarty, AJ Brooker, W Waites, CW Revie, TP Adams, M Lewis, HC Reinardy, JP Phelan, JP Coyle, B Rabe, SC Ives, JD Armstrong, AD Sandvik, L Asplin, Ø Karlsen, S Garnier, G á Norði, PA Gillibrand, KS Last, AG Murray
Format: Article in Journal/Newspaper
Language:English
Published: Inter-Research 2024
Subjects:
Aquaculture. Fisheries. Angling
SH1-691
Ecology
QH540-549.5
Atlantic salmon
Faroe Islands
Iceland
Online Access:https://doi.org/10.3354/aei00471
https://doaj.org/article/90519a485ee54b1c8ed4ff52c5820533
Description
Summary:Sea lice are a major health hazard for farmed Atlantic salmon in Europe, and their impact is felt globally. Given the breadth of ongoing research in sea lice dispersal and population modelling, and focus on research-led adaptive management, we brought experts together to discuss research knowledge gaps. Gaps for salmon lice infection pressure from fish farms were identified and scored by experts in sea lice-aquaculture-environment interactions, at an international workshop in 2021. The contributors included experts based in Scotland, Norway, Ireland, Iceland, Canada, the Faroe Islands, England and Australia, employed by governments, industry, universities and non-government organisations. The workshop focused on knowledge gaps underpinning 5 key stages in salmon lice infection pressure from fish farms: larval production; larval transport and survival; exposure and infestation of new hosts; development and survival of the attached stages; and impact on host populations. A total of 47 research gaps were identified; 5 broad themes emerged with 13 priority research gaps highlighted as important across multiple sectors. The highest-ranking gap called for higher quality and frequency of on-farm lice count data, along with better sharing of information across sectors. We highlight the need for synergistic international collaboration to maximise transferable knowledge. Round table discussions through collaborative workshops provide an important forum for experts to discuss and agree research priorities.

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